Panic at shutdown
Guy Brand
gb at isis.u-strasbg.fr
Thu Sep 4 09:09:04 UTC 2008
Hello,
With 8.0-CURRENT from yesterday (Wed Sep 3 21:49:10 CEST 2008) on an
i386 laptop with the following kernel config:
include GENERIC
cpu I686_CPU
ident LENOVO
nodevice cpufreq
nodevice sbp
nodevice fwe
nodevice fwip
I get a panic (hand transcripted below) on every reboot:
All buffers synced.
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xc
fault code = supervisor write, page not present
instruction pointer = 0x20:0x80e281d9
stack pointer = 0x28:0x84dfba70
frame pointer = 0x28:0x84dfba8c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 1 (init)
[thread pid 1 tid 100002 ]
Stopped at gfs_dir_create+0x39: movl $0,0xc(%ebx)
db> trace
Tracing pid 1 tid 100002 td 0x850afd20
gfs_dir_create(7c,858c3430,85834a80,80ea89c0,0,...) at gfs_dir_create+0x39
zfsctl_mknode_snapdir(858c3430,80e9fa03,275,25d,861049a0,...) at zfsctl_mknode_snapdir+0x53
gfs_dir_lookup(858c3430,80ea5171,84dfbb68,80ac8818,84dfbb34,...) at gfs_dir_lookup+0x1bf
zfsctl_root_lookup(858c3430,80ea5171,84dfbb68,0,0,...) at zfsctl_root_lookup+0xc5
zfsctl_umount_snapshots(85834a80,80000,8509a600,80e918b5,85803044,...) at zfsctl_umount_snapshots+0x4e
zfs_umount(85834a80,80000,850afd20,850afd20,0,...) at zfs_umount+0x52
dounmount(85834a80,80000,850afd20,ad0e5830,0,...) at dounmount+0x4f3
vfs_unmountall(80b72886,0,80b72925,117,84dfbc50,...) at vfs_unmountall+0x33
boot(850afd20,8,0,fffffffe,850afd20,...) at boot+0x439
reboot(850afd20,84dfbcf8,4,0,e,...) at reboot+0x67
syscall(84dfbd38) at syscall+0x325
Xint0x80_syscall() at syscall+0x20
--- syscall (55, FreeBSD ELF32, reboot), eip = 0x8051103, esp = 0x7fbfe8bc, ebp = 0x7fbfe998 ---
This is my ZFS setup:
NAME USED AVAIL REFER MOUNTPOINT
pool 51.4G 52.0G 24K /pool
pool/bunker 14.1M 52.0G 14.1M /bunker
pool/doc 25.1M 52.0G 25.1M /usr/doc
pool/home 38.6G 52.0G 38.6G /home
pool/tmp 52.5K 512M 52.5K /tmp
pool/usr 12.5G 52.0G 12.5G /usr
pool/var 253M 1.75G 253M /var
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
pool 105G 51.4G 53.6G 48% ONLINE -
The root filesystem is on UFS:
# Device Mountpoint FStype Options Dump Pass#
/dev/ad4s1b none swap sw 0 0
/dev/ad4s1a / ufs rw 1 1
If there is any other information I could provide, please let me know.
Regards,
--
bug
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