Is this a known LOR:
lock order reversal:
1st 0xfffff801d20ea5f0 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1222
2nd 0xfffff801d2fe6418 syncer (syncer) @
/usr/src/sys/kern/vfs_subr.c:2618
stack backtrace:
#0 0xffffffff80a7f810 at witness_debugger+0x70
#1 0xffffffff80a7f711 at witness_checkorder+0xe71
#2 0xffffffff809fe5cb at __lockmgr_args+0xd3b
#3 0xffffffff80ac525c at vop_stdlock+0x3c
#4 0xffffffff80fbd640 at VOP_LOCK1_APV+0x100
#5 0xffffffff80ae5f2a at _vn_lock+0x9a
#6 0xffffffff80ad6c38 at vputx+0x208
#7 0xffffffff80aceaf0 at dounmount+0x410
#8 0xffffffff80ace64d at sys_unmount+0x35d
#9 0xffffffff80e6e15b at amd64_syscall+0x2db
#10 0xffffffff80e4dd4b at Xfast_syscall+0xfb
lock order reversal:
1st 0xfffff801d20ea5f0 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1222
2nd 0xfffff801d2fe65f0 devfs (devfs) @
/usr/src/sys/fs/msdosfs/msdosfs_vfsops.c:994
stack backtrace:
#0 0xffffffff80a7f810 at witness_debugger+0x70
#1 0xffffffff80a7f711 at witness_checkorder+0xe71
#2 0xffffffff809fe5cb at __lockmgr_args+0xd3b
#3 0xffffffff80ac525c at vop_stdlock+0x3c
#4 0xffffffff80fbd640 at VOP_LOCK1_APV+0x100
#5 0xffffffff80ae5f2a at _vn_lock+0x9a
#6 0xffffffff809075a3 at msdosfs_sync+0x193
#7 0xffffffff80acebc9 at dounmount+0x4e9
#8 0xffffffff80ace64d at sys_unmount+0x35d
#9 0xffffffff80e6e15b at amd64_syscall+0x2db
#10 0xffffffff80e4dd4b at Xfast_syscall+0xfb
$ uname -a
FreeBSD lrosenman-dell 11.0-CURRENT FreeBSD 11.0-CURRENT #1 r295833M:
Sat Feb 20 06:13:34 CST 2016
root@lrosenman-dell:/usr/obj/usr/src/sys/GENERIC amd64
$
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 E-Mail: l...@lerctr.org
US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961
_______________________________________________
freebsd-current@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
