FreeBSD Bugzilla – Attachment 171007 Details for
Bug 210023
mlx4 lock order reversal in mlx4_ib_init_gid_table
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WITNESS backtrace
file_210023.txt (text/plain), 826 bytes, created by
Dave Cameron (puddingpimp)
on 2016-06-04 14:14:12 UTC
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Description:
WITNESS backtrace
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Creator:
Dave Cameron (puddingpimp)
Created:
2016-06-04 14:14:12 UTC
Size:
826 bytes
patch
obsolete
>lock order reversal: (sleepable after non-sleepable) > 1st 0xffffffff81e4b260 ifnet_rw (ifnet_rw) @ /usr/git/freebsd/sys/ofed/drivers/infiniband/hw/mlx4/main.c:1843 > 2nd 0xffffffff81daa3f8 vlan_global (vlan_global) @ /usr/git/freebsd/sys/net/if_vlan.c:620 >stack backtrace: >#0 0xffffffff80ab1620 at witness_debugger+0x70 >#1 0xffffffff80ab1514 at witness_checkorder+0xe54 >#2 0xffffffff80a5ad62 at _sx_xlock+0x72 >#3 0xffffffff80b48a17 at vlan_trunkdev+0x37 >#4 0xffffffff80d0b5cc at mlx4_ib_init_gid_table+0xfc >#5 0xffffffff80d0ac03 at mlx4_ib_inet_event+0xc3 >#6 0xffffffff80bab9f0 at in_control+0xa30 >#7 0xffffffff80b3c5e1 at ifioctl+0xda1 >#8 0xffffffff80ab6c96 at kern_ioctl+0x246 >#9 0xffffffff80ab69e1 at sys_ioctl+0x171 >#10 0xffffffff80f6dbeb at amd64_syscall+0x2db >#11 0xffffffff80f4d2bb at Xfast_syscall+0xfb
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bug 210023
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