[Bug 215635] LOR in zfs
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bugzilla-noreply at freebsd.org
Wed Dec 28 16:18:11 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215635
Bug ID: 215635
Summary: LOR in zfs
Product: Base System
Version: 10.3-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs at FreeBSD.org
Reporter: dvl at FreeBSD.org
I saw this in my logs this morning. This server is the same one which has been
locking up, most nights, at about 0301 UTC.
Dec 28 03:12:20 knew kernel: lock order reversal:
Dec 28 03:12:20 knew kernel: 1st 0xfffff80418bea068 zfs (zfs) @
/usr/src/sys/kern/vfs_extattr.c:171
Dec 28 03:12:20 knew kernel: 2nd 0xfffff803f973c040 filedesc structure
(filedesc structure) @ /usr/src/sys/kern/vfs_lookup.c:213
Dec 28 03:12:20 knew kernel: KDB: stack backtrace:
Dec 28 03:12:20 knew kernel: db_trace_self_wrapper() at
db_trace_self_wrapper+0x2b/frame 0xfffffe03b95f2fa0
Dec 28 03:12:20 knew kernel: kdb_backtrace() at kdb_backtrace+0x39/frame
0xfffffe03b95f3050
Dec 28 03:12:20 knew kernel: witness_checkorder() at
witness_checkorder+0xc7e/frame 0xfffffe03b95f30e0
Dec 28 03:12:20 knew kernel: _sx_slock() at _sx_slock+0x46/frame
0xfffffe03b95f3120
Dec 28 03:12:20 knew kernel: namei() at namei+0x19a/frame 0xfffffe03b95f31f0
Dec 28 03:12:20 knew kernel: vn_open_cred() at vn_open_cred+0x10d/frame
0xfffffe03b95f3350
Dec 28 03:12:20 knew kernel: zfs_setextattr() at zfs_setextattr+0x204/frame
0xfffffe03b95f3670
Dec 28 03:12:20 knew kernel: VOP_SETEXTATTR_APV() at
VOP_SETEXTATTR_APV+0xa7/frame 0xfffffe03b95f36a0
Dec 28 03:12:20 knew kernel: extattr_set_vp() at extattr_set_vp+0x153/frame
0xfffffe03b95f3770
Dec 28 03:12:20 knew kernel: sys_extattr_set_file() at
sys_extattr_set_file+0xf4/frame 0xfffffe03b95f39a0
Dec 28 03:12:20 knew kernel: amd64_syscall() at amd64_syscall+0x2d4/frame
0xfffffe03b95f3ab0
Dec 28 03:12:20 knew kernel: Xfast_syscall() at Xfast_syscall+0xfb/frame
0xfffffe03b95f3ab0
Dec 28 03:12:20 knew kernel: --- syscall (356, FreeBSD ELF64,
sys_extattr_set_file), rip = 0x80086637a, rsp = 0x7fffffffe668, rbp =
0x7fffffffe700 ---
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