Attachment 224568 Details for Bug 255499 – Output of dtrace -n 'profile-99 /arg0/ { @[stack()] = count(); }' (correct version)

Output of dtrace -n 'profile-99 /arg0/ { @[stack()] = count(); }' (correct version)

dtrace-profile-99.txt (text/plain), 310.99 KB, created by teodorsigaev@gmail.com on 2021-04-30 07:38:43 UTC

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Description:

Filename:

MIME Type:

Creator: teodorsigaev@gmail.com

Created: 2021-04-30 07:38:43 UTC

Size: 310.99 KB

patch

obsolete

>
>
>
>              kernel`pctrie_lookup
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`kern___sysctlbyname
>                1
>
>              kernel`free
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cpu_search_highest+0x170
>                1
>
>              kernel`cpu_search_highest+0x170
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`_vn_lock
>                1
>
>              kernel`bounce_bus_dmamap_sync
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`g_vfs_done+0x1
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`vfs_setdirty_range+0x51
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_remove_write+0x1
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_cache_lookup+0x32
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_makeinode+0x383
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x53
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_validclean+0x84
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`free+0x4
>              kernel`sync_fsync+0xe0
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`_bus_dmamap_load_bio+0x34
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`namei+0x714
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_open_cred+0x214
>                1
>
>              kernel`__lockmgr_args+0x65
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sync_fsync+0x16
>                1
>
>              kernel`vfs_busy_pages+0x136
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_lookup+0xd6
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x76
>                1
>
>              kernel`bus_dma_run_filter+0x16
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_busy_acquire+0xb7
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_geom_strategy+0x47
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_io_request+0x28
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_itimes_locked+0x28
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_vn_lock+0x8
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_dir_check_exec+0x58
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bufdone+0x139
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ufs_makeinode+0x389
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x59
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`breadn_flags+0x8b
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_fsfail_cleanup+0xac
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vaccess+0x2c
>              kernel`vfs_cache_lookup+0x60
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`devstat_start_transaction_bio+0x2c
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_dir_check_exec+0x5d
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_sync+0xd
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cache_fplookup+0xfd
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`breadn_flags+0x8e
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`namei+0x1e
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`breadn_flags+0x18f
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`copyinstr_nosmap+0x3f
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_validclean+0x8f
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_dirty
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                1
>
>              kernel`pctrie_lookup+0x10
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`VOP_CREATE_APV+0x10
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_complete
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x300
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vop_stdgetwritemount+0x1
>                1
>
>              kernel`spinlock_enter+0x1
>              kernel`bufwrite+0x208
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_validclean+0x91
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_ns_bio_process+0x21
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_payload_map+0x1
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x1
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x282
>                1
>
>              kernel`__lockmgr_args+0x73
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_validclean+0x93
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x7c3
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_clone_bio+0x4
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`spinlock_enter+0x4
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`spinlock_enter+0x4
>              kernel`bus_dmamap_load_bio+0xb2
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>                1
>
>              kernel`pmap_kextract+0x64
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufsdirhash_findfree+0x94
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`vget_prep_smr+0x5
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              nvme.ko`nvme_payload_map+0x5
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bufwrite+0x6
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>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`softdep_prelink+0x6
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cpu_search_highest+0x186
>              kernel`0xffffffff8080f45e
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>
>              kernel`cache_lookup+0xe7
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufsdirhash_lookup+0x117
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`lockmgr_xlock_hard+0x8
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vfs_setdirty_range+0x68
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`trap_pfault+0xe9
>                1
>
>              kernel`cache_fplookup+0x109
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cpu_search_highest+0x8a
>                1
>
>              nvme.ko`nvme_qpair_process_completions+0xba
>                1
>
>              kernel`bounce_bus_dmamap_sync+0x1a
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`sched_sync+0x35a
>                1
>
>              kernel`g_vfs_strategy+0x8b
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>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vfs_setdirty_range+0x6c
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vget_prep_smr+0xc
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ffs_bufwrite+0x9c
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              nvme.ko`nvme_ns_cmd_write_bio+0x7c
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`hpet_get_timecount+0xc
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bufwrite+0xd
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`devstat_end_transaction+0xcd
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0x24d
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memcpy_erms+0x3e
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`memset_erms+0xde
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`memset_erms+0xde
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`getblkx+0x5de
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_setdirty_range+0x6e
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pctrie_lookup+0x1e
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x16e
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufsdirhash_enduseful+0x1e
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_vfs_done+0x21f
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`memset_erms+0xe0
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`kern_poll+0x4e0
>                1
>
>              kernel`g_io_request+0x41
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>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`PHYS_TO_VM_PAGE+0x1
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`__rw_wlock_hard+0x161
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__rw_wlock_hard+0x161
>              kernel`0xffffffff8080f45e
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>
>              kernel`bufdone+0x151
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`softdep_sync_metadata+0x1
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`__lockmgr_args+0x682
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cache_fplookup+0x312
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_enter+0x13
>              kernel`0xffffffff8080f45e
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>
>              kernel`ufs_lookup_ino+0x7d3
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_io_check+0x284
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`sleeplk+0x124
>              kernel`breadn_flags+0x40
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>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`VOP_CREATE_APV+0x24
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vdropl+0x1c5
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`malloc+0x95
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>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x295
>              kernel`0xffffffff8080f45e
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>
>              kernel`vm_mmap_object+0x35
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`hpet_get_timecount+0x15
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`hpet_get_timecount+0x15
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`hpet_get_timecount+0x15
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`callout_lock+0x6
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>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`cpu_search_highest+0x196
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>
>              kernel`VOP_CREATE_APV+0x26
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bounce_bus_dmamap_load_buffer+0x157
>              nvme.ko`nvme_qpair_submit_request+0x3a
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>              kernel`g_disk_start+0x2f0
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`_mtx_trylock_flags_+0x37
>                1
>
>              kernel`vm_page_trysbusy+0x18
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>
>              kernel`vm_page_trysbusy+0x18
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`callout_lock+0x8
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`sleeplk+0x128
>              kernel`breadn_flags+0x40
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_unixify_accmode+0x38
>              kernel`vfs_cache_lookup+0x60
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x318
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_lookup+0x1f9
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x99
>                1
>
>              kernel`pmap_kextract+0x179
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`malloc+0x9a
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vaccess+0x4a
>              kernel`vfs_cache_lookup+0x60
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pctrie_lookup+0x2b
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cv_broadcastpri+0xb
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`0xffffffff8083342c
>              kernel`vm_fault_trap+0x6d
>              kernel`trap_pfault+0x1f8
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                1
>
>              kernel`cpu_search_highest+0x29c
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`uma_zalloc_arg+0xd
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              dtrace.ko`dtrace_dynvar_clean+0x4d
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`g_disk_done+0x1d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_unixify_accmode+0x3e
>              kernel`vfs_cache_lookup+0x60
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_vn_lock+0x2e
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_reserv_alloc_page+0x3cf
>              kernel`vm_fault+0x416
>              kernel`vm_fault_trap+0x6d
>              kernel`trap_pfault+0x1f8
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                1
>
>              kernel`cpu_search_highest+0x29f
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`hpet_get_timecount+0x1f
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`hpet_get_timecount+0x1f
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`fueword32_nosmap+0x30
>                1
>
>              kernel`vop_stdunlock
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_disk_start+0x260
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_disk_start+0x260
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`speedup_syncer+0x61
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vput_final+0x11
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_lookup+0x1
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup+0x1
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`PHYS_TO_VM_PAGE+0x12
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              nvme.ko`nvme_ns_get_sector_size+0x12
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_qpair_process_completions+0xd2
>                1
>
>              kernel`memset_erms+0xf3
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memset_erms+0xf3
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memset_erms+0xf3
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_vfs_strategy+0xa3
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_setdirty_range+0x83
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__mnt_vnode_first_lazy+0xe3
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`g_io_request+0x54
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_remove_pages+0x414
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_prelink+0x424
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`process_worklist_item+0x3c5
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sched_idletd+0x2a5
>                1
>
>              kernel`g_io_request+0x56
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockmgr_lock_flags+0x46
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x2a6
>                1
>
>              kernel`memset_erms+0xf7
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__lockmgr_args+0x97
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__lockmgr_args+0x97
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`namei_getpath+0x77
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sched_idletd+0xa7
>                1
>
>              kernel`softdep_update_inodeblock+0x57
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufsdirhash_build+0xbe8
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_process_journal+0x49
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`vm_page_alloc_domain_after+0x21a
>              kernel`pmap_copy+0x56a
>              kernel`vmspace_fork+0xa50
>              kernel`fork1+0x346
>              kernel`sys_fork+0x54
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_alloc_domain_after+0x21a
>              kernel`vm_fault_trap+0x6d
>              kernel`trap_pfault+0x1f8
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                1
>
>              kernel`ffs_bufwrite+0xba
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`uma_zfree_arg+0x1ac
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`callout_when+0x9c
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`_nvme_qpair_submit_request+0x2c
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_vn_lock+0x3c
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_read+0x1fd
>              kernel`kern_readv+0x8c
>              kernel`sys_read+0x83
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__rw_wlock_hard+0x7d
>              kernel`0xffffffff8080f45e
>                1
>
>              nvme.ko`nvme_qpair_complete_tracker+0x1dd
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ffs_sync+0x2e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`pmap_remove_pages+0x41e
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_cv_timedwait_sbt+0x4e
>                1
>
>              kernel`vm_radix_lookup+0x1e
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                1
>
>              kernel`sleepq_timedwait+0x2f
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ffs_syncvnode+0x7f
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x22f
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_clone_bio+0x30
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_is_geom_thread
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vop_stdunlock+0x10
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bdone
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ffs_blkatoff+0x20
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_bufwrite+0xc0
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_fsync
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`getbinuptime
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufsdirhash_findfree+0xc0
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_trysbusy+0x31
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`brelse+0x531
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`brelse+0x531
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_flush+0x1d1
>                1
>
>              kernel`vget_prep_smr+0x31
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_syncvnode+0x83
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_qpair_process_completions+0xe3
>                1
>
>              kernel`cache_fplookup+0x33
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_sync+0x35
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`g_vfs_strategy+0xb6
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`amd64_syscall+0x26
>                1
>
>              kernel`ffs_blkatoff+0x27
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_process_journal+0x57
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`if_simloop+0xc8
>              kernel`sosend_generic+0x4b3
>              kernel`kern_sendit+0x164
>              kernel`sendit+0x1db
>              kernel`sys_sendto+0x4d
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`kqueue_register+0x69
>              kernel`sys_kevent+0x61
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`should_yield+0x19
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`0xffffffff8080e34a
>                1
>
>              kernel`namei_getpath+0x8b
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_clone_bio+0x3c
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memcpy_erms+0x6c
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__lockmgr_args+0x5ac
>              kernel`ufsdirhash_findfree+0x7a
>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_lookup+0x1e
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_finished_write+0x3e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`vput_final+0x2f
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vop_stdaccess
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_vn_lock+0x50
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0x280
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sleepq_lock+0x1
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vop_stdaccess+0x1
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockmgr_xunlock_hard+0x1
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__rw_wlock_hard+0x192
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`pmap_remove_write+0x753
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_busy_acquire+0x4
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_busy_pages+0x84
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`should_yield+0x24
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`g_is_geom_thread+0x15
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_validclean+0xd5
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_io_request+0x76
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x1c6
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`devstat_end_transaction_bio_bt+0x6
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ufsdirhash_build+0x6
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x606
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`uma_zalloc_arg+0x137
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_syncer_add_to_worklist+0x57
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`lockmgr_lock_flags+0x68
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pctrie_lookup+0x58
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`namei_getpath+0x99
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufsdirhash_lookup+0x59
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_part_start+0xba
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_busy_pages+0x8c
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_busy_acquire+0xd
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memcpy_erms+0x7d
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`uma_zalloc_arg+0x3d
>              kernel`realitexpire+0x1e
>              kernel`softclock_call_cc+0x13d
>              kernel`softclock+0x79
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`uma_zfree_arg+0xcd
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`lockmgr_xunlock_hard+0xd
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_disk_done+0x4d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`getbinuptime+0x1e
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`priv_check_cred+0xdf
>              kernel`ufs_lookup_ino+0x9a9
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0xcf
>                1
>
>              kernel`uma_zfree_arg+0x1d0
>              tmpfs.ko`tmpfs_update_mtime+0x6b
>              tmpfs.ko`tmpfs_sync+0x6b
>              kernel`sync_fsync+0xfc
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`callout_lock+0x40
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ufs_itimes
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_remove_write+0x760
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`fget_unlocked_seq+0x40
>              kernel`sys_sendto+0x4d
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vn_open_cred+0x270
>                1
>
>              kernel`g_is_geom_thread+0x21
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`copyout_nosmap_erms+0x121
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`breada+0x11
>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
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>              kernel`sync_fsync+0x72
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>              kernel`cpu_search_highest+0x1d9
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>              kernel`__mnt_vnode_first_lazy+0x19
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>              kernel`binuptime+0xa
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>
>              kernel`g_vfs_done+0x6b
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>              kernel`g_disk_start+0x29b
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>
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>              kernel`cpu_search_highest+0x1dc
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>              kernel`vn_isdisk+0x4d
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>              kernel`vn_open_cred+0x17d
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>
>              kernel`vop_stdaccess+0x1f
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>              nvme.ko`nvme_qpair_complete_tracker+0x20f
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>              kernel`vm_page_sunbusy+0x10
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>              kernel`uma_zalloc_arg+0x50
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>              kernel`biodone
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>              kernel`ufs_lookup_ino+0x720
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>              kernel`g_clone_bio+0x61
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>              kernel`bdone+0x31
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>              kernel`lockstat_nsecs+0x41
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>              kernel`sched_idletd+0xe1
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>              kernel`bwait+0x72
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>              kernel`cpu_search_highest+0x1e2
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>              kernel`devstat_end_transaction_bio_bt+0x22
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>              kernel`do_wait+0x1c4
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>              kernel`allocbuf+0x6
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>              kernel`vm_page_sunbusy+0x17
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>              kernel`process_removes+0x37
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>              kernel`bus_dmamap_load_bio+0x78
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>              kernel`bdone+0x39
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>              kernel`ufsdirhash_lookup+0x79
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>              kernel`sched_idletd+0xe9
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>              kernel`g_io_deliver+0x12c
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>              kernel`umtxq_sleep+0x19d
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>              kernel`vn_start_write_refed+0x2d
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>              kernel`vnode_create_vobject+0x1e
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>              kernel`free+0x7e
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>              kernel`lock_mtx+0x1e
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>              kernel`lock_mtx+0x1e
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>              kernel`cpu_search_highest+0xef
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>              kernel`vmspace_fork+0x5b0
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>              kernel`spinlock_exit+0x31
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>              kernel`spinlock_exit+0x31
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_exit+0x31
>              kernel`seltdwait+0x6c
>              kernel`kern_select+0xa07
>              kernel`sys_select+0x56
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_exit+0x31
>              kernel`kern_clock_nanosleep+0x1e1
>              kernel`sys_nanosleep+0x3b
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_exit+0x31
>              kernel`_sleep+0x209
>              kernel`softdep_flush+0x1c4
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`spinlock_exit+0x31
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x136
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_exit+0x31
>              kernel`ffs_update+0x2d0
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>              kernel`ffs_fsync+0x22
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>              kernel`kern_renameat+0x454
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`vaccess_vexec_smr+0x1
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              nvme.ko`nvme_qpair_submit_request+0x1
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufs_lookup_ino+0x131
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_vfs_done+0x82
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`bufobj_wwait+0x22
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cpu_search_highest+0xf2
>                1
>
>              kernel`ip_output+0x862
>              kernel`kern_sendit+0x164
>              kernel`sendit+0x1db
>              kernel`sys_sendto+0x4d
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vn_open_cred+0x292
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>
>              kernel`lookup+0xf3
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`uma_zalloc_arg+0x64
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
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>              kernel`ufs_makeinode+0xa7
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`uma_zalloc_arg+0x64
>              kernel`g_io_deliver+0x214
>              kernel`g_io_deliver+0x214
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
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>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`uma_zalloc_arg+0x64
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`uma_zalloc_arg+0x64
>              kernel`sync_fsync+0xe0
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`vm_page_set_validclean+0x4
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`pctrie_lookup_unlocked+0x24
>              kernel`ffs_blkatoff+0x89
>              kernel`ufsdirhash_lookup+0x40a
>              kernel`ufs_lookup_ino+0x21d
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`pctrie_lookup_unlocked+0x24
>              kernel`ffs_blkatoff+0x89
>              kernel`ufsdirhash_findfree+0x7a
>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`pctrie_lookup_unlocked+0x24
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              nvme.ko`_nvme_qpair_submit_request+0x74
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufs_lookup_ino+0x234
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`allocbuf+0x15
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_exit+0x35
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`spinlock_exit+0x35
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`process_removes+0x45
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`breadn_flags+0x6
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`lock_delay+0x6
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`spinlock_exit+0x36
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>
>              kernel`spinlock_exit+0x36
>              kernel`g_io_deliver+0x214
>              kernel`g_io_deliver+0x214
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`bus_dmamap_load_bio+0x86
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_clone_bio+0x77
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`lockmgr_xunlock_hard+0x137
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>              kernel`ufs_makeinode+0xa7
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>              kernel`amd64_syscall+0x100
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>
>              kernel`ufs_itimes+0x27
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>              kernel`vn_open_cred+0x2b8
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufs_create+0x37
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bdone+0x47
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
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>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`pctrie_lookup_unlocked+0x27
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>              kernel`vfs_cache_lookup+0xad
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>              kernel`kern_openat+0x244
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`pctrie_lookup_unlocked+0x27
>              kernel`ffs_blkatoff+0x89
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>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`binuptime+0x27
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>              kernel`ffs_update+0x2d0
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vm_page_set_validclean+0x8
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cache_fplookup+0x279
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufs_lookup_ino+0x23a
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>              kernel`kern_openat+0x244
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`binuptime+0x2b
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`vn_need_pageq_flush+0xb
>              kernel`vn_open_cred+0x2f7
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`bounce_bus_dmamap_load_buffer+0xbc
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
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>              kernel`g_disk_start+0x2f0
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`__mtx_lock_sleep+0xec
>              kernel`lookup+0x67c
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`uma_zalloc_arg+0x6d
>              kernel`kern_openat+0x244
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>
>              kernel`vfs_cache_lookup+0xbd
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>              kernel`kern_openat+0x244
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>
>              kernel`softdep_update_inodeblock+0x6af
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_io_request+0x1b0
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>              kernel`amd64_syscall+0x100
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>
>              kernel`g_io_request+0x1b0
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>
>              kernel`zone_fetch_bucket
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>              kernel`lookup+0x100
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>
>              kernel`sbcut_internal
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>
>              kernel`vm_map_lookup_entry+0x30
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>
>              kernel`vfs_busy_pages+0xc1
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>              kernel`vaccess_vexec_smr+0x11
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>
>              kernel`cpu_search_highest+0x102
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>
>              kernel`callout_when+0xf3
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>
>              kernel`ufs_accessx+0x63
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>
>              kernel`getblkx+0x154
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`__rw_rlock_int+0x34
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x44
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ithread_loop+0xb5
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0xc5
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`pctrie_lookup_unlocked+0x36
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x746
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`binuptime+0x37
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`cpu_search_highest+0x107
>                1
>
>              kernel`__lockmgr_args+0x1f8
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`wakeup+0x28
>              kernel`g_io_deliver+0x214
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`g_clone_bio+0x8a
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockmgr_xlock_hard+0x38a
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0xa
>                1
>
>              kernel`devstat_end_transaction+0x4a
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cache_fplookup+0x28a
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ffs_lock+0xc
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0xd
>              kernel`0xffffffff8080f45e
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>
>              kernel`pctrie_lookup_unlocked+0x3e
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_idle+0xee
>                1
>
>              kernel`__rw_wlock_hard+0xe0
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_lookup+0x170
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_part_start
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`devstat_start_transaction_bio_t0
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_ns_cmd_write_bio+0x1
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_periodic_inactive+0x1
>                1
>
>              kernel`vm_object_pip_wakeup+0x11
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                1
>
>              kernel`ufs_need_inactive+0x1
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufsdirhash_build+0x252
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_set_validclean+0x123
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_idle+0xf3
>                1
>
>              kernel`getblkx+0x164
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`callout_reset_sbt_on+0x4
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`biodone+0x34
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`biodone+0x34
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ffs_update+0xb4
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_idle+0xf4
>                1
>
>              kernel`g_vfs_strategy+0x15
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_vfs_done+0x1a5
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              tmpfs.ko`tmpfs_update_mtime+0x15
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cache_lookup+0x175
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`copyout_nosmap_erms+0x66
>              kernel`kern_kevent_generic+0x70
>              kernel`sys_kevent+0x61
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_sync_metadata+0x186
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufsdirhash_lookup+0xa6
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_io_check+0x107
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_accessx+0x77
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_accessx+0x77
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`malloc+0x17
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_sx_slock_int+0x8
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__lockmgr_args+0x8
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x19
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`__mnt_vnode_first_lazy+0x159
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`__rw_wlock_hard+0xea
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_disk_start+0x2da
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ithread_loop+0x2cb
>                1
>
>              kernel`pctrie_lookup_unlocked+0x4c
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`check_clear_deps+0xd
>              kernel`0xffffffff8080f45e
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>
>              kernel`getblkx+0x36e
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_process_journal+0xbf
>              kernel`0xffffffff8080f45e
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>
>              kernel`priv_check_cred_vfs_generation
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vm_object_terminate+0x140
>              kernel`vmspace_exit+0xad
>              kernel`exit1+0x4b2
>              kernel`0xffffffff80548b0d
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_sleep+0x1
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>              kernel`ufs_makeinode+0xa7
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>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_create+0x61
>              kernel`0xffffffff8080ecfe
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>
>              kernel`softdep_speedup+0x51
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvd.ko`nvd_strategy+0x1
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x1
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
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>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x1
>              kernel`sync_fsync+0xe0
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`vfs_periodic_msync_inactive_filter+0x12
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`softdep_sync_metadata+0x492
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0x2e2
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_radix_lookup_unlocked+0x32
>              kernel`VOP_READ_PGCACHE_APV+0x1f
>              kernel`vn_read+0x71
>              kernel`vn_io_fault_doio+0x43
>              kernel`vn_io_fault1+0x15c
>              kernel`vn_io_fault+0x1a4
>              kernel`kern_preadv+0xa6
>              kernel`sys_pread+0x8a
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_accessx+0x85
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vput+0x15
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_sleep+0x6
>                1
>
>              kernel`vfs_setdirty_range+0x6
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvd.ko`nvd_strategy+0x6
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x4a7
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockstatus+0x8
>                1
>
>              kernel`softdep_prelink+0x2a8
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x768
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_std_done+0x49
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cpu_search_highest+0x129
>                1
>
>              kernel`pmap_kextract+0xa
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cache_fplookup+0x3ab
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x16b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_syncvnode+0xfc
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x2ac
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x56c
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x76c
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_idle+0xc
>                1
>
>              kernel`__rw_wlock_hard+0xfd
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_sleep+0xd
>                1
>
>              kernel`__lockmgr_args+0x1e
>              kernel`ufsdirhash_findfree+0x7a
>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockmgr_xunlock_hard+0x6e
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockmgr_xunlock_hard+0x6e
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vput+0x1e
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`binuptime+0x5e
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              nvme.ko`nvme_qpair_submit_tracker+0x5e
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_clone_bio+0xaf
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_clone_bio+0xaf
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x40
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x136
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x40
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x40
>              kernel`getblkx+0x150
>              kernel`breadn_flags+0x40
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_geom_strategy
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0xf0
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0xb0
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memcmp+0x1
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__rw_wlock_hard+0x1
>                1
>
>              kernel`cpu_search_highest+0x31
>                1
>
>              kernel`namei+0x3d1
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bufwrite+0xb2
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x42
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x42
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x136
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x42
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x42
>              kernel`vget_finish+0x21
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`kern_statat+0xcf
>              kernel`sys_fstatat+0x2f
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x42
>              kernel`bufwrite+0x1aa
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lock_delay+0x42
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`prison_check+0x12
>              kernel`sysctl_kern_proc+0x112
>              kernel`sysctl_root_handler_locked+0x91
>              kernel`sysctl_root+0x1c7
>              kernel`userland_sysctl+0x149
>              kernel`sys___sysctl+0x5f
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_update+0x1d2
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_lookup_ino+0x772
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`getblkx+0x184
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bundirty+0x4
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`devstat_start_transaction_bio_t0+0x24
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufsdirhash_findfree+0x44
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_blkatoff+0xa5
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_test_dirty+0x5
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`uma_zfree_arg+0x36
>              kernel`vfs_periodic_msync_inactive+0x32
>              kernel`sync_fsync+0xe0
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`uma_zfree_arg+0x36
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`uma_zfree_arg+0x36
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`binuptime+0x66
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ithread_loop+0x3e8
>                1
>
>              kernel`lock_delay+0x48
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`ffs_update+0x1d8
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup+0x1b8
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufs_lookup_ino+0x778
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>              kernel`namei+0x6f
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ufs_accessx+0x99
>              kernel`lookup+0x67c
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>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_ns_cmd_write_bio+0x129
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_vfs_strategy+0x3a
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`vm_page_test_dirty+0xa
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`process_worklist_item+0x5a
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>
>              kernel`__lockmgr_args+0x62b
>              kernel`ufs_lookup_ino+0x5b8
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>              kernel`cache_fplookup_noentry+0x6b
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>              kernel`vn_open_cred+0x13c
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>
>              kernel`ufs_lookup_ino+0x87b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`getblkx+0x38c
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`amd64_syscall+0x100
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>
>              kernel`lock_delay+0x4c
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`vm_page_test_dirty+0xc
>              kernel`ffs_update+0x2d0
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>              kernel`ufs_makeinode+0xa7
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`brelse+0xbd
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bufdone+0x1fd
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
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>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`cpu_search_highest+0x3d
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>
>              kernel`vfs_busy_pages+0xfe
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x136
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`vn_syncer_add_to_worklist+0xcf
>              kernel`0xffffffff8080f45e
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>
>              kernel`ffs_bufwrite+0x4f
>              kernel`softdep_prerename_vnode+0x55
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>              kernel`amd64_syscall+0x100
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>
>              kernel`sched_idletd+0x23f
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0xff
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
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>
>              kernel`__lockmgr_args+0x30
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`binuptime+0x70
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`pmap_kextract+0x20
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`vfs_cache_lookup
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bounce_bus_dmamap_load_buffer
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
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>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_alloc_bio+0x1
>              kernel`softdep_prelink+0x239
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cpu_search_highest+0x41
>              kernel`0xffffffff8080f45e
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>
>              nvme.ko`nvme_qpair_submit_request+0x51
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
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>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_disk_start+0x1
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>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bounce_bus_dmamap_load_buffer+0x1
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`uma_zalloc_arg+0xb3
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`lock_delay+0x53
>              kernel`ffs_syncvnode+0x552
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>              kernel`ufs_makeinode+0xa7
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`cpu_idle+0x23
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>
>              kernel`_sx_slock_int+0x34
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ffs_bufwrite+0x55
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`_bus_dmamap_load_bio+0x6
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_qpair_process_completions+0x76
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>
>              kernel`g_io_check+0x38
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>              kernel`ffs_syncvnode+0x552
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`pmap_kextract+0x128
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
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>              kernel`vn_open_cred+0x2b8
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`pctrie_lookup_unlocked+0x79
>              kernel`ffs_breadz+0x5c
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>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
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>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`breadn_flags+0x5a
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`bounce_bus_dmamap_load_buffer+0xa
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_alloc_bio+0xb
>              kernel`ffs_syncvnode+0x552
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`binuptime+0x7b
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`ffs_update+0x1eb
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`ffs_lock+0x4d
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x4d
>              kernel`0xffffffff8080f45e
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>
>              kernel`sched_idletd+0x4d
>                1
>
>              kernel`malloc+0x4e
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`sched_idletd+0x14f
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>
>              kernel`vfs_setdirty_range+0x30
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>              kernel`ufs_makeinode+0xa7
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>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vop_create_post
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_waitok
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
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>              kernel`ffs_update+0x2d0
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>              kernel`ufs_create+0x34
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_io_request+0x1
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>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`g_io_deliver+0x91
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              dtrace.ko`dtrace_dynvar_clean+0x1
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
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>
>              kernel`devstat_start_transaction_bio+0x1
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`softdep_update_inodeblock+0x201
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>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
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>
>              kernel`mtx_pool_find+0x1
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
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>
>              kernel`ufsdirhash_findfree+0x62
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`cache_fplookup+0x2d2
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`binuptime+0x83
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>
>              kernel`devstat_start_transaction_bio_t0+0x43
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>              kernel`0xffffffff8080ecfe
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>
>              kernel`sched_idletd+0x53
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>
>              kernel`lockmgr_lock_flags+0xf5
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>
>              kernel`lockmgr_lock_flags+0xf5
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>
>              kernel`cpu_search_highest+0x155
>              kernel`0xffffffff8080f45e
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>
>              kernel`bounce_bus_dmamap_load_buffer+0x115
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>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_busy_acquire+0x197
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vop_create_pre+0x28
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`_sleep+0x39
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvd.ko`nvd_bio_submit+0x19
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x59
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`bounce_bus_dmamap_unload+0x1b9
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`cache_fplookup+0x2d9
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`memcpy_erms+0xa
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`softdep_sync_metadata+0x1ca
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_clear_modify+0x78a
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bounce_bus_dmamap_load_buffer+0x21a
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_geom_strategy+0x12b
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x3d
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vm_page_busy_acquire+0x19e
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`getblkx+0x4ae
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lockmgr_lock_flags
>                1
>
>              kernel`lockmgr_xlock_hard+0xe0
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_lookup+0x1c0
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_update
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x140
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`vfs_unixify_accmode
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_need_inactive+0x50
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`breadn_flags+0x71
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`breadn_flags+0x71
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_update+0x1
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_clear_modify+0x791
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sys_sigprocmask+0x1
>                1
>
>              kernel`vfs_unixify_accmode+0x1
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__rw_wlock_hard+0x232
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sched_idletd+0x62
>                1
>
>              kernel`g_disk_done+0xe2
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`pmap_kextract+0x143
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_io_request+0x14
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`speedup_syncer+0x24
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x64
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`sched_idletd+0x164
>                1
>
>              kernel`breadn_flags+0x75
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`__lockmgr_args+0x155
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`mtx_pool_find+0x15
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bufwrite+0xe6
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sync_fsync+0x6
>                1
>
>              kernel`g_vfs_done+0x1f6
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`gbincore_unlocked+0x6
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`gbincore_unlocked+0x7
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cpu_search_highest+0x68
>                1
>
>              kernel`cpu_search_highest+0x68
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`bus_dma_run_filter+0x8
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_ns_cmd_write_bio+0x159
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`lookup+0xa69
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`pmap_kextract+0x49
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`uma_zfree_arg+0x16a
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ffs_update+0x20b
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`cache_fplookup_noentry+0xac
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_io_check+0x5c
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`ufs_makeinode+0x37c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              nvme.ko`nvme_ns_cmd_write_bio+0x5c
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sopoll_generic+0x5d
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`bufobj_wdrop+0x6d
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`sync_fsync+0xe
>                1
>
>              kernel`lockmgr_lock_flags+0xe
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`sched_idletd+0x6e
>                1
>
>              nvme.ko`nvme_qpair_complete_tracker+0x29f
>              kernel`0xffffffff8080f45e
>                1
>
>              kernel`devstat_start_transaction_bio+0x1f
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                1
>
>              kernel`g_vfs_done+0x100
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`VOP_CREATE_APV+0x1
>                2
>
>              kernel`bounce_bus_dmamap_sync+0x1
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`memcpy_erms+0x23
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              nvme.ko`nvme_ns_bio_done+0x14
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`cpu_search_highest+0x174
>                2
>
>              kernel`pmap_remove_write+0xa
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`pmap_kextract+0x5d
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vop_stdgetwritemount
>                2
>
>              kernel`hpet_get_timecount
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`hpet_get_timecount
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`copyinstr_nosmap+0x43
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`namei+0x25
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`devstat_start_transaction_bio+0x36
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ufsdirhash_lookup+0x117
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`callout_when+0x78
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`copyinstr_nosmap+0x49
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`bounce_bus_dmamap_load_buffer+0x4c
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`softdep_journal_fsync+0xd
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`memset_erms+0xde
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`memset_erms+0xde
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`memset_erms+0xe0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_blkatoff
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_fsfail_cleanup+0xc3
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`hpet_get_timecount+0x15
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`hpet_get_timecount+0x1a
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`devstat_start_transaction_bio+0x4e
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x19f
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`hpet_get_timecount+0x1f
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`speedup_syncer+0x61
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`g_io_request+0x54
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_syncvnode+0x574
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cache_fplookup+0x226
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`softdep_prelink+0x22a
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cache_fplookup_final_modifying+0x17f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vop_stdunlock+0xf
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`sync_fsync+0x52
>                2
>
>              kernel`bwait+0x43
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vm_page_trysbusy+0x35
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              nvme.ko`nvme_qpair_complete_tracker+0x2e9
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`cpu_search_highest+0xbc
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`ufs_lookup_ino+0x5fd
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_breadz
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              nvme.ko`nvme_qpair_complete_tracker+0x1f0
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`free+0x51
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`cache_lookup+0x21
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vn_start_write_refed+0x1
>                2
>
>              kernel`check_clear_deps+0x3b3
>              kernel`0xffffffff8080f45e
>                2
>
>              nvd.ko`nvd_bio_submit+0x87
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vput_final+0x38
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`bufwrite+0x149
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`uma_zalloc_arg+0x3d
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vm_page_sunbusy
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`softdep_prelink+0x250
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`pmap_enter+0xd77
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                2
>
>              kernel`vm_page_busy_acquire+0x18
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vm_page_busy_acquire+0x18
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vm_page_set_validclean+0xe8
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`bounce_bus_dmamap_load_buffer+0x29b
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`softdep_flush+0x1fd
>                2
>
>              kernel`cpu_search_highest+0x1e2
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`vfs_busy_pages+0xa8
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x1e8
>                2
>
>              kernel`cache_fplookup+0x68
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              nvme.ko`nvme_qpair_submit_tracker+0x11b
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`spinlock_exit+0x31
>              kernel`vn_lock_pair+0x2c2
>              kernel`softdep_prelink+0x438
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`spinlock_exit+0x31
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ufs_create+0x34
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`pctrie_lookup_unlocked+0x24
>              kernel`ffs_blkatoff+0x89
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`spinlock_exit+0x36
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0xf6
>                2
>
>              kernel`bwait+0x88
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`0xffffffff8080ec88
>                2
>
>              kernel`softdep_prelink+0x7d
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`pctrie_lookup_unlocked+0x2e
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`pctrie_lookup_unlocked+0x30
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`__rw_rlock_int+0x34
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vn_open_cred+0xa7
>                2
>
>              kernel`cpu_search_highest+0x8
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`bd_speedup+0x6c
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x10e
>                2
>
>              kernel`vn_need_pageq_flush+0x20
>              kernel`vn_open_cred+0x2f7
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`devstat_start_transaction_bio_t0+0x1
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              nvd.ko`nvd_done+0x14
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`cache_fplookup+0x394
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_breadz+0x55
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ufsdirhash_build+0x156
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vfs_busy+0x38
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`ufs_itimes+0x48
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`g_io_check+0xa
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x11a
>                2
>
>              nvme.ko`nvme_qpair_submit_tracker+0x4f
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_idle
>                2
>
>              kernel`cpu_idle+0x5
>                2
>
>              kernel`bufobj_wdrop+0x27
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              nvme.ko`nvme_ctrlr_submit_io_request+0x1f
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`vm_page_test_dirty
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x130
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`sched_idletd+0x230
>                2
>
>              kernel`lock_delay+0x42
>              kernel`g_io_deliver+0x214
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`lock_delay+0x42
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`lock_delay+0x42
>              kernel`vget_finish+0x21
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x39a
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x233
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`pctrie_lookup_unlocked+0x64
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`__rw_rlock_hard+0x119
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`softdep_sync_metadata+0x1ab
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_update+0x2dd
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`g_part_start+0x2e
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`copyinstr_nosmap
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ffs_update+0xe0
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`g_disk_start
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              nvd.ko`nvd_bio_submit+0x1
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x49
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`vaccess
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`devstat_start_transaction_bio
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x51
>                2
>
>              kernel`process_worklist_item+0x373
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cache_fplookup+0x2d4
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`lockmgr_lock_flags+0xf5
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`g_io_request+0x8
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`lockmgr_xlock_hard+0x3da
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`cpu_search_highest+0x15e
>              kernel`0xffffffff8080f45e
>                2
>
>              nvme.ko`nvme_qpair_submit_tracker+0x94
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`__lockmgr_args+0x155
>              kernel`ufsdirhash_findfree+0x7a
>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`ufsdirhash_lookup+0x2f8
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`__rw_wlock_hard+0x23a
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`__mnt_vnode_first_lazy+0xaa
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`lockmgr_xlock_hard+0xeb
>              kernel`ffs_blkatoff+0x89
>              kernel`ufsdirhash_findfree+0x7a
>              kernel`ufs_lookup_ino+0x1d2
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                2
>
>              kernel`sched_idletd+0x6c
>                2
>
>              kernel`cpu_search_highest+0x6f
>              kernel`0xffffffff8080f45e
>                2
>
>              kernel`cache_fplookup+0xf6
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`vop_create_post+0x2e
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`spinlock_enter+0x1
>                3
>
>              kernel`ufsdirhash_findfree+0x94
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`vm_page_trysbusy+0xb
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`g_vfs_done+0x1c
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              nvme.ko`nvme_qpair_process_completions+0xc3
>                3
>
>              kernel`hpet_get_timecount+0x15
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`softdep_prelink+0x419
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`bus_dma_run_filter+0x3b
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`kqueue_kevent+0xa5e
>              kernel`kern_kevent+0xa0
>              kernel`kern_kevent_generic+0x70
>              kernel`sys_kevent+0x61
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`pmap_kextract+0x181
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`cache_fplookup+0x22b
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`uma_zfree_arg+0x1ac
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`cpu_search_highest+0xb0
>                3
>
>              kernel`vm_page_busy_acquire
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`mnt_vnode_next_lazy+0x60
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`cpu_search_highest+0x1c3
>                3
>
>              nvme.ko`nvme_qpair_process_completions+0xfe
>                3
>
>              kernel`bufwrite+0x151
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`cache_fplookup_final_modifying+0x1a1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`softdep_sync_metadata+0x47
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`__rw_rlock_int+0x11
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`pmap_clear_modify+0x11
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`g_io_deliver+0x12c
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`vmtotal+0x2a0
>              kernel`sys___sysctl+0x5f
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`spinlock_exit+0x31
>              kernel`_vn_lock+0x48
>              kernel`cache_fplookup_final_modifying+0x108
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`spinlock_exit+0x31
>              kernel`getblkx+0x150
>              kernel`breadn_flags+0x40
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`_sleep+0x1d2
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`uma_zalloc_arg+0x64
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`uma_zalloc_arg+0x64
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`pctrie_lookup_unlocked+0x2b
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`_sleep+0x1dd
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              nvd.ko`nvd_done+0x1
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`devstat_end_transaction+0x4a
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`bdone+0x5b
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`devstat_start_transaction_bio_t0
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              nvme.ko`nvme_ctrlr_submit_io_request+0x1
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`__rw_wlock_hard+0xea
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              nvme.ko`nvme_ctrlr_submit_io_request+0xb
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`softdep_update_inodeblock+0xcd
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`ffs_update+0x1c8
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`cpu_search_highest+0x2d
>                3
>
>              kernel`lock_delay+0x40
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`vm_object_pip_wakeupn+0x18
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`lockmgr_unlock+0xb
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`cpu_search_highest+0x51
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`pmap_kextract+0x135
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              nvme.ko`nvme_ns_bio_process+0x1
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`__rw_wlock_hard+0x232
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`mtx_pool_find+0x15
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                3
>
>              kernel`ufs_lookup_ino+0xa6
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                3
>
>              kernel`bufdone+0x33
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`process_worklist_item+0xa0
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`hpet_get_timecount
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`vop_create_pre+0x58
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              nvme.ko`nvme_ns_get_sector_size+0x8
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x1b3
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`cpu_search_highest+0x1b5
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`sleepq_timedwait+0x36
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`g_disk_done+0x47
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`binuptime+0x1
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`sched_idletd+0x2ec
>                4
>
>              kernel`spinlock_exit+0x31
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x2bf
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`pctrie_lookup_unlocked+0x2b
>              kernel`ffs_blkatoff+0x89
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`ffs_fsfail_cleanup+0x30
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`cpu_search_highest+0x1
>                4
>
>              kernel`pagezero_erms+0xb
>              kernel`trap+0x3fd
>              kernel`0xffffffff8080e3d8
>                4
>
>              kernel`ffs_update+0x2cd
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`lock_delay+0x42
>              kernel`vget_finish+0x21
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`cpu_search_highest+0x139
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`cpu_search_highest+0x3d
>                4
>
>              kernel`pctrie_lookup_unlocked+0x79
>              kernel`ffs_blkatoff+0x89
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              nvme.ko`nvme_qpair_process_completions+0x7e
>                4
>
>              kernel`vfs_periodic_msync_inactive_filter+0x43
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                4
>
>              nvme.ko`nvme_qpair_complete_tracker+0x18d
>              kernel`0xffffffff8080f45e
>                4
>
>              nvme.ko`nvme_ns_bio_done+0x1
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`__lockmgr_args+0x155
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`lockmgr_xlock_hard+0xeb
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              nvd.ko`nvd_bio_submit+0x2b
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                4
>
>              kernel`lock_rw+0x5d
>              kernel`0xffffffff8080f45e
>                4
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x136
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x136
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`g_io_check+0xae
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`g_io_check+0xae
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`vop_create_post+0x79
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`ithread_loop+0x96
>                5
>
>              nvme.ko`nvme_ns_cmd_write_bio+0xf2
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`cpu_idle+0xe8
>                5
>
>              kernel`g_part_start
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`lock_delay+0x40
>              kernel`vget_finish+0x21
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`cpu_search_highest+0x230
>              kernel`0xffffffff8080f45e
>                5
>
>              kernel`lock_delay+0x42
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`ffs_update+0x2d6
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                5
>
>              kernel`__mnt_vnode_first_lazy+0x82
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                5
>
>              kernel`bufobj_wdrop+0x68
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                5
>
>              kernel`hpet_get_timecount+0x1f
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                6
>
>              kernel`cpu_search_highest+0x1a9
>              kernel`0xffffffff8080f45e
>                6
>
>              kernel`ufs_lookup_ino+0x5fd
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`bd_speedup+0x23
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`lockmgr_unlock+0x87
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`vm_page_sunbusy+0x7
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                6
>
>              kernel`cpu_search_highest+0x1e8
>              kernel`0xffffffff8080f45e
>                6
>
>              kernel`spinlock_exit+0x31
>              kernel`lookup+0xaa6
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`spinlock_exit+0x31
>              kernel`_vn_lock+0x48
>              kernel`vget_finish+0x21
>              kernel`cache_lookup+0x299
>              kernel`vfs_cache_lookup+0x7b
>              kernel`lookup+0x67c
>              kernel`namei+0x3d1
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`spinlock_exit+0x31
>              kernel`kqueue_kevent+0xa5e
>              kernel`kern_kevent+0xa0
>              kernel`kern_kevent_generic+0x70
>              kernel`sys_kevent+0x61
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`g_disk_start+0x2b4
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              nvme.ko`nvme_payload_map+0x7e
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`cpu_idle+0x1
>                6
>
>              kernel`ffs_bufwrite+0x4f
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`ufs_lookup_ino+0x84
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              nvd.ko`nvd_strategy+0x26
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`cache_fplookup+0x2c9
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`bufwrite+0xe6
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`sched_idletd+0x67
>                6
>
>              kernel`ufs_fplookup_vexec+0x19
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`lockmgr_xlock_hard+0xeb
>              kernel`ffs_blkatoff+0x89
>              kernel`ufs_lookup_ino+0x5b8
>              kernel`vfs_cache_lookup+0xad
>              kernel`cache_fplookup_final_modifying+0x18c
>              kernel`cache_fplookup_noentry+0x6b
>              kernel`cache_fplookup+0x312
>              kernel`namei+0x6f
>              kernel`vn_open_cred+0x13c
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                6
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`sched_idletd+0x2e4
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                7
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`ffs_fsync+0x22
>              kernel`softdep_prerename_vnode+0x55
>              kernel`softdep_prerename+0x235
>              kernel`ufs_rename+0x420
>              kernel`VOP_RENAME_APV+0x27
>              kernel`kern_renameat+0x454
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                7
>
>              kernel`g_vfs_done+0x46
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                7
>
>              kernel`bwait+0x72
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                7
>
>              kernel`lock_mtx+0x1e
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                7
>
>              kernel`vm_object_pip_add+0x13
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                7
>
>              nvd.ko`nvd_done+0x2a
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                7
>
>              kernel`g_io_deliver+0xf8
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                8
>
>              kernel`devstat_end_transaction+0x119
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                8
>
>              kernel`spinlock_exit+0x31
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                8
>
>              kernel`g_vfs_done+0xce
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                8
>
>              kernel`g_vfs_done+0xe9
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                8
>
>              kernel`copyinstr_nosmap+0x41
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                9
>
>              kernel`g_io_deliver+0xf8
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>                9
>
>              kernel`ithread_loop+0x389
>                9
>
>              kernel`spinlock_exit+0x31
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                9
>
>              kernel`lock_delay+0x40
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>                9
>
>              kernel`hpet_get_timecount+0x1f
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               10
>
>              kernel`vm_page_set_validclean+0xe8
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               10
>
>              kernel`devstat_end_transaction+0x119
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               10
>
>              kernel`sched_idletd+0x2f1
>               10
>
>              kernel`pctrie_lookup_unlocked+0x4c
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               10
>
>              kernel`g_vfs_strategy+0x3a
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               10
>
>              kernel`pmap_kextract+0x143
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               10
>
>              kernel`vm_page_set_validclean+0xb1
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               11
>
>              kernel`free+0x3a
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               11
>
>              kernel`g_vfs_done+0x19d
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               11
>
>              kernel`vfs_periodic_msync_inactive_filter+0xd
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               11
>
>              kernel`mnt_vnode_next_lazy+0x1dd
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               11
>
>              kernel`pmap_kextract+0x179
>              nvme.ko`_nvme_qpair_submit_request+0x198
>              nvme.ko`nvme_qpair_submit_request+0x3a
>              nvme.ko`nvme_ns_cmd_write_bio+0x153
>              nvd.ko`nvd_bio_submit+0x41
>              kernel`g_disk_start+0x2f0
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               12
>
>              kernel`vfs_periodic_msync_inactive_filter+0x27
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               12
>
>              kernel`vfs_periodic_msync_inactive_filter+0x49
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               12
>
>              kernel`vfs_periodic_msync_inactive_filter
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               13
>
>              nvme.ko`nvme_qpair_submit_request+0x51
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               13
>
>              kernel`sched_idletd+0x2c1
>               14
>
>              kernel`softdep_update_inodeblock+0x96
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               14
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`sched_sync+0x7d1
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               15
>
>              kernel`lock_delay+0x40
>              kernel`bufwrite+0x1aa
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               16
>
>              kernel`should_yield+0x21
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               18
>
>              kernel`spinlock_exit+0x31
>              kernel`softdep_prelink+0x2ed
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               18
>
>              kernel`lock_delay+0x40
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               18
>
>              kernel`vm_page_sunbusy+0x15
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               19
>
>              kernel`should_yield
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               20
>
>              kernel`vfs_periodic_msync_inactive_filter+0x3e
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               23
>
>              kernel`mnt_vnode_next_lazy+0x50
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               24
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`buf_daemon+0x121
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               26
>
>              kernel`should_yield+0xa
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               26
>
>              kernel`vfs_periodic_msync_inactive_filter+0x4
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               26
>
>              kernel`vfs_periodic_msync_inactive_filter+0x19
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               26
>
>              kernel`lock_delay+0x42
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               28
>
>              kernel`spinlock_exit+0x31
>              kernel`bufwrite+0x208
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               29
>
>              kernel`mnt_vnode_next_lazy+0x65
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               31
>
>              kernel`lock_delay+0x42
>              kernel`bufwrite+0x1aa
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               31
>
>              kernel`cpu_search_highest+0x1c3
>              kernel`0xffffffff8080f45e
>               35
>
>              kernel`spinlock_exit+0x31
>              kernel`getblkx+0x150
>              kernel`breadn_flags+0x40
>              kernel`ffs_breadz+0x5c
>              kernel`ffs_update+0x129
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               38
>
>              kernel`vfs_periodic_msync_inactive_filter+0x46
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               41
>
>              kernel`vm_page_trysbusy+0x18
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>               44
>
>              kernel`lock_delay+0x42
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               44
>
>              kernel`spinlock_exit+0x31
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>               67
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`softdep_flush+0x1c4
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              119
>
>              kernel`spinlock_exit+0x31
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>              120
>
>              kernel`spinlock_exit+0x31
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>              122
>
>              kernel`spinlock_exit+0x31
>              kernel`g_io_deliver+0x214
>              kernel`g_io_deliver+0x214
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              170
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>              173
>
>              kernel`mnt_vnode_next_lazy+0x57
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              206
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`g_io_request+0x1d9
>              kernel`g_part_start+0x270
>              kernel`g_io_request+0x1d9
>              kernel`bufwrite+0x180
>              kernel`ffs_update+0x2d0
>              kernel`ffs_syncvnode+0x552
>              kernel`softdep_prelink+0x239
>              kernel`ufs_makeinode+0xa7
>              kernel`ufs_create+0x34
>              kernel`VOP_CREATE_APV+0x24
>              kernel`vn_open_cred+0x2b8
>              kernel`kern_openat+0x244
>              kernel`amd64_syscall+0x100
>              kernel`0xffffffff8080ecfe
>              217
>
>              kernel`vfs_periodic_msync_inactive_filter+0x22
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              231
>
>              kernel`hpet_get_timecount+0x1e
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              265
>
>              kernel`hpet_get_timecount+0x1e
>              kernel`g_disk_done+0xfe
>              nvme.ko`nvme_qpair_complete_tracker+0x1bc
>              nvme.ko`nvme_qpair_process_completions+0x110
>              kernel`ithread_loop+0x24d
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              284
>
>              kernel`vfs_periodic_msync_inactive_filter+0x41
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              287
>
>              kernel`vfs_periodic_msync_inactive_filter+0xb
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              477
>
>              kernel`spinlock_exit+0x31
>              612
>
>              kernel`vfs_periodic_msync_inactive_filter+0x2e
>              kernel`sched_sync+0x465
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>              896
>
>              kernel`acpi_cpu_idle+0x35f
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>             1118
>
>              kernel`mnt_vnode_next_lazy+0x63
>              kernel`fork_exit+0x7e
>              kernel`0xffffffff8080f45e
>             1239
>
>              kernel`cpu_idle+0xe5
>            43207

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Attachments on bug 255499: 224550 | 224551 | 224552 | 224553 | 224554 | 224555 | 224556 | 224568 | 224572 | 224573 | 224595