Date: Sun, 12 Aug 2012 13:03:09 +0200 From: Mikael Fridh <frimik@gmail.com> To: Olivier Smedts <olivier@gid0.org> Cc: greg@bonett.org, freebsd-stable@freebsd.org Subject: Re: kernel panic caused by zfs/sa.c Message-ID: <CALoBCaeU0bcDykucxAW3q5gJOXx64wxvPE8krHQWsZdStwh3-w@mail.gmail.com> In-Reply-To: <CABzXLYMMJGh3GtgrGNd7LRWNuSLuUE_aKRNj7gKj9sgEkFOYdg@mail.gmail.com> References: <1342733091.12482.12.camel@home.bonett.org> <CABzXLYMMJGh3GtgrGNd7LRWNuSLuUE_aKRNj7gKj9sgEkFOYdg@mail.gmail.com>
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On Thu, Jul 19, 2012 at 11:36 PM, Olivier Smedts <olivier@gid0.org> wrote:
> 2012/7/19 Greg Bonett <greg@bonett.org>:
>> Hello,
>>
>> I'm experiencing a kernel panic that appears to be caused by zfs.
>>
>> No errors are making it into /var/log/messages, but here is the error
>> message that appears on my screen after panic (transcribed):
>>
>> panic solaris assert BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC,
>> file: /src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c, line 1262
Happening pretty much daily.
This was previously an old 8.2 patched with an early zpool v28.
Recently upgraded it to 9.0.
I guess next I will attempt recreating all filesystems... if it's as
you say -- a filesystem problem and not caused by hardware issues...
faction.local.int dumped core - see /var/crash/vmcore.9
Sat Aug 11 11:28:55 CEST 2012
FreeBSD faction.local.int 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #1:
Mon Jul 16 22:59:11 CEST 2012
root@faction.local.int:/usr/obj/usr/src/sys/GENERIC amd64
panic: solaris assert: BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC,
file: /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c,
line: 1262
GNU gdb 6.1.1 [FreeBSD]
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
panic: solaris assert: BSWAP_32(sa_hdr_phys->sa_magic) == SA_MAGIC,
file: /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c,
line: 1262
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff808680fe at kdb_backtrace+0x5e
#1 0xffffffff80832cb7 at panic+0x187
#2 0xffffffff8141fb8e at sa_build_index+0x2ee
#3 0xffffffff8141fc65 at sa_handle_get_from_db+0xd5
#4 0xffffffff8144c8f1 at zfs_znode_sa_init+0xd1
#5 0xffffffff8144d93a at zfs_znode_alloc+0xba
#6 0xffffffff8144df5f at zfs_zget+0x2af
#7 0xffffffff81462f48 at zfs_dirent_lock+0x488
#8 0xffffffff814631d9 at zfs_dirlook+0x69
#9 0xffffffff8147346b at zfs_lookup+0x26b
#10 0xffffffff81473cc1 at zfs_freebsd_lookup+0x81
#11 0xffffffff808b2be3 at vfs_cache_lookup+0xf3
#12 0xffffffff80b7dbb0 at VOP_LOOKUP_APV+0x40
#13 0xffffffff808b9fa4 at lookup+0x464
#14 0xffffffff808bb056 at namei+0x4d6
#15 0xffffffff808cadf3 at kern_statat_vnhook+0xb3
#16 0xffffffff808cafb5 at kern_statat+0x15
#17 0xffffffff808cb07a at sys_lstat+0x2a
Uptime: 18h15m30s
Dumping 1739 out of 3306 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
/boot/kernel/zfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols
from /boot/kernel/opensolaris.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/pf.ko...Reading symbols from
/boot/kernel/pf.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/pf.ko
Reading symbols from /usr/local/modules/fuse.ko...done.
Loaded symbols for /usr/local/modules/fuse.ko
#0 doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
224 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
#1 0xffffffff808327f5 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:442
#2 0xffffffff80832ca1 in panic (fmt=Variable "fmt" is not available.
)
at /usr/src/sys/kern/kern_shutdown.c:607
#3 0xffffffff8141fb8e in sa_build_index (hdl=Variable "hdl" is not available.
)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c:1262
#4 0xffffffff8141fc65 in sa_handle_get_from_db (os=0xfffffe0007619400,
db=0xfffffe000ef8fd20, userp=0xfffffe00b016d4b0, hdl_type=Variable
"hdl_type" is not available.
)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c:1367
#5 0xffffffff8144c8f1 in zfs_znode_sa_init (zfsvfs=0xfffffe00074f6000,
zp=0xfffffe00b016d4b0, db=0xfffffe000ef8fd20, obj_type=DMU_OT_SA,
sa_hdl=0x0)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c:601
#6 0xffffffff8144d93a in zfs_znode_alloc (zfsvfs=0xfffffe00074f6000,
db=0xfffffe000ef8fd20, blksz=Variable "blksz" is not available.
)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c:683
#7 0xffffffff8144df5f in zfs_zget (zfsvfs=0xfffffe00074f6000,
obj_num=437071, zpp=0xffffff80fa343498)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c:1247
#8 0xffffffff81462f48 in zfs_dirent_lock (dlpp=0xffffff80fa3434a0,
dzp=0xfffffe0039fa0960, name=0xffffff80fa343580 "CVS",
zpp=0xffffff80fa343498, flag=Variable "flag" is not available.
)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c:317
#9 0xffffffff814631d9 in zfs_dirlook (dzp=0xfffffe0039fa0960,
name=0xffffff80fa343580 "CVS", vpp=0xffffff80fa343940,
flags=Variable "flags" is not available.
)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c:411
#10 0xffffffff8147346b in zfs_lookup (dvp=0xfffffe0071cdd960,
nm=0xffffff80fa343580 "CVS", vpp=0xffffff80fa343940,
cnp=0xffffff80fa343968, nameiop=0, cr=0xfffffe0017432b00,
td=0xfffffe002725f460, flags=0)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1404
#11 0xffffffff81473cc1 in zfs_freebsd_lookup (ap=0xffffff80fa3436c0)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:5758
#12 0xffffffff808b2be3 in vfs_cache_lookup (ap=Variable "ap" is not available.
) at vnode_if.h:80
#13 0xffffffff80b7dbb0 in VOP_LOOKUP_APV (vop=0xffffffff814e6fc0,
a=0xffffff80fa3437c0) at vnode_if.c:123
#14 0xffffffff808b9fa4 in lookup (ndp=0xffffff80fa343900) at vnode_if.h:54
#15 0xffffffff808bb056 in namei (ndp=0xffffff80fa343900)
at /usr/src/sys/kern/vfs_lookup.c:297
#16 0xffffffff808cadf3 in kern_statat_vnhook (td=0xfffffe002725f460,
flag=Variable "flag" is not available.
)
at /usr/src/sys/kern/vfs_syscalls.c:2422
#17 0xffffffff808cafb5 in kern_statat (td=Variable "td" is not available.
)
at /usr/src/sys/kern/vfs_syscalls.c:2403
#18 0xffffffff808cb07a in sys_lstat (td=Variable "td" is not available.
)
at /usr/src/sys/kern/vfs_syscalls.c:2466
#19 0xffffffff80b17e90 in amd64_syscall (td=0xfffffe002725f460, traced=0)
at subr_syscall.c:131
#20 0xffffffff80b03537 in Xfast_syscall ()
at /usr/src/sys/amd64/amd64/exception.S:387
#21 0x000000080093ccac in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)
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