Bug 207534 - LOR in UFS on FreeBSD 10.3-BETA3 @ sys_rmdir
Summary: LOR in UFS on FreeBSD 10.3-BETA3 @ sys_rmdir
Status: Closed Not A Bug
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 10.3-BETA2
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-fs (Nobody)
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-02-26 22:01 UTC by op
Modified: 2020-04-03 14:58 UTC (History)
1 user (show)

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Description op 2016-02-26 22:01:55 UTC 
[25] --- syscall (95, FreeBSD ELF64, sys_fsync), rip = 0x243328448ca, rsp = 0x67f303cb9a58, rbp = 0x67f303cbab00 ---
[31] wlan0: link state changed to UP
[133] lock order reversal:
[133]  1st 0xfffffe03deaef890 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3130
[133]  2nd 0xfffff80047113800 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:280
[133] KDB: stack backtrace:
[133] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe04656e94b0
[133] kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe04656e9560
[133] witness_checkorder() at witness_checkorder+0xe12/frame 0xfffffe04656e95f0
[133] _sx_xlock() at _sx_xlock+0x71/frame 0xfffffe04656e9630
[133] ufsdirhash_remove() at ufsdirhash_remove+0x37/frame 0xfffffe04656e9660
[133] ufs_dirremove() at ufs_dirremove+0x121/frame 0xfffffe04656e96c0
[133] ufs_rmdir() at ufs_rmdir+0xdb/frame 0xfffffe04656e9700
[133] VOP_RMDIR_APV() at VOP_RMDIR_APV+0xd1/frame 0xfffffe04656e9730
[133] kern_rmdirat() at kern_rmdirat+0x1b9/frame 0xfffffe04656e98a0
[133] amd64_syscall() at amd64_syscall+0x2a8/frame 0xfffffe04656e99b0
[133] Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe04656e99b0
[133] --- syscall (137, FreeBSD ELF64, sys_rmdir), rip = 0x32e83ae8a8a, rsp = 0x7e5ce0f8ccc8, rbp = 0x7e5ce0f8ccf0 ---
Comment 1 Mark Johnston freebsd_committer freebsd_triage 2020-04-03 14:58:34 UTC 
This report is a false positive.  In current we suppress this particular report.