[Bug 205163] Periodic jobs triggering panics on ZFS host with jails

Wed Dec 9 17:03:03 UTC 2015

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205163

--- Comment #1 from dustinwenz at ebureau.com ---
This is a kgdb trace on an affected machine, running STABLE r286534M:

kgdb kernel.debug /var/crash/vmcore.0
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...

Unread portion of the kernel message buffer:
code segment        = base 0x0, limit 0xfffff, type 0x1b
            = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags    = interrupt enabled, resume, IOPL = 0
current process        = 20355 (find)
trap number        = 18
panic: integer divide fault
cpuid = 19
KDB: stack backtrace:
#0 0xffffffff80986710 at kdb_backtrace+0x60
#1 0xffffffff80949e76 at vpanic+0x126
#2 0xffffffff80949d43 at panic+0x43
#3 0xffffffff80d5d3db at trap_fatal+0x36b
#4 0xffffffff80d5d05c at trap+0x75c
#5 0xffffffff80d42f12 at calltrap+0x8
#6 0xffffffff819f4fc8 at dmu_tx_assign+0xf8
#7 0xffffffff81a7a887 at zfs_inactive+0x157
#8 0xffffffff81a8369d at zfs_freebsd_inactive+0xd
#9 0xffffffff80e85ed7 at VOP_INACTIVE_APV+0xa7
#10 0xffffffff809ed182 at vinactive+0x102
#11 0xffffffff809ed572 at vputx+0x272
#12 0xffffffff809f40ea at sys_fchdir+0x2aa
#13 0xffffffff80d5dcf7 at amd64_syscall+0x357
#14 0xffffffff80d431fb at Xfast_syscall+0xfb
Uptime: 16d16h5m25s
Dumping 9283 out of 32705 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

Reading symbols from /boot/kernel/zfs.ko.symbols...done.
Loaded symbols for /boot/kernel/zfs.ko.symbols
Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
Loaded symbols for /boot/kernel/opensolaris.ko.symbols
Reading symbols from /boot/kernel/dtraceall.ko.symbols...done.
Loaded symbols for /boot/kernel/dtraceall.ko.symbols
Reading symbols from /boot/kernel/profile.ko.symbols...done.
Loaded symbols for /boot/kernel/profile.ko.symbols
Reading symbols from /boot/kernel/dtrace.ko.symbols...done.
Loaded symbols for /boot/kernel/dtrace.ko.symbols
Reading symbols from /boot/kernel/systrace_freebsd32.ko.symbols...done.
Loaded symbols for /boot/kernel/systrace_freebsd32.ko.symbols
Reading symbols from /boot/kernel/systrace.ko.symbols...done.
Loaded symbols for /boot/kernel/systrace.ko.symbols
Reading symbols from /boot/kernel/sdt.ko.symbols...done.
Loaded symbols for /boot/kernel/sdt.ko.symbols
Reading symbols from /boot/kernel/lockstat.ko.symbols...done.
Loaded symbols for /boot/kernel/lockstat.ko.symbols
Reading symbols from /boot/kernel/fasttrap.ko.symbols...done.
Loaded symbols for /boot/kernel/fasttrap.ko.symbols
Reading symbols from /boot/kernel/fbt.ko.symbols...done.
Loaded symbols for /boot/kernel/fbt.ko.symbols
Reading symbols from /boot/kernel/dtnfscl.ko.symbols...done.
Loaded symbols for /boot/kernel/dtnfscl.ko.symbols
Reading symbols from /boot/kernel/dtmalloc.ko.symbols...done.
Loaded symbols for /boot/kernel/dtmalloc.ko.symbols
Reading symbols from /boot/kernel/ipmi.ko.symbols...done.
Loaded symbols for /boot/kernel/ipmi.ko.symbols
Reading symbols from /boot/kernel/smbus.ko.symbols...done.
Loaded symbols for /boot/kernel/smbus.ko.symbols
Reading symbols from /boot/kernel/if_lagg.ko.symbols...done.
Loaded symbols for /boot/kernel/if_lagg.ko.symbols
Reading symbols from /boot/kernel/ums.ko.symbols...done.
Loaded symbols for /boot/kernel/ums.ko.symbols
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
219        __asm("movq %%gs:%1,%0" : "=r" (td)
(kgdb) bt
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff80949ad2 in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:451
#2  0xffffffff80949eb5 in vpanic (fmt=<value optimized out>, ap=<value
optimized out>) at /usr/src/sys/kern/kern_shutdown.c:758
#3  0xffffffff80949d43 in panic (fmt=0x0) at
/usr/src/sys/kern/kern_shutdown.c:687
#4  0xffffffff80d5d3db in trap_fatal (frame=<value optimized out>, eva=<value
optimized out>) at /usr/src/sys/amd64/amd64/trap.c:851
#5  0xffffffff80d5d05c in trap (frame=<value optimized out>) at
/usr/src/sys/amd64/amd64/trap.c:203
#6  0xffffffff80d42f12 in calltrap () at
/usr/src/sys/amd64/amd64/exception.S:236
#7  0xffffffff819f54d4 in dmu_tx_wait (tx=0xfffff805786ae400) at
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c:1078
#8  0xffffffff819f4fc8 in dmu_tx_assign (tx=0xfffff805786ae400,
txg_how=TXG_WAIT) at
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c:1339
#9  0xffffffff81a7a887 in zfs_inactive (vp=<value optimized out>, cr=<value
optimized out>, ct=<value optimized out>) at
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:4716
#10 0xffffffff81a8369d in zfs_freebsd_inactive (ap=<value optimized out>) at
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:6540
#11 0xffffffff80e85ed7 in VOP_INACTIVE_APV (vop=<value optimized out>, a=<value
optimized out>) at vnode_if.c:1953
#12 0xffffffff809ed182 in vinactive (vp=0xfffff80563f32ce8,
td=0xfffff8084181b940) at vnode_if.h:807
#13 0xffffffff809ed572 in vputx (vp=0xfffff80563f32ce8, func=1) at
/usr/src/sys/kern/vfs_subr.c:2307
#14 0xffffffff809f40ea in sys_fchdir (td=<value optimized out>, uap=<value
optimized out>) at /usr/src/sys/kern/vfs_syscalls.c:763
#15 0xffffffff80d5dcf7 in amd64_syscall (td=0xfffff8084181b940, traced=0) at
subr_syscall.c:134
#16 0xffffffff80d431fb in Xfast_syscall () at
/usr/src/sys/amd64/amd64/exception.S:396
#17 0x000000080089aa2a in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language:  auto; currently minimal

-- 
You are receiving this mail because:
You are the assignee for the bug.