Date: Thu, 20 Mar 2003 10:00:42 +0000 From: "Matt" <matt@xtaz.co.uk> To: current@freebsd.org Subject: kernel panic Message-ID: <20030320095759.M26217@xtaz.co.uk>
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Just had a kernel panic. This is the first time I've tried to give you
something useful to go on from a dump so if I haven't included all the
information you need let me know.
FreeBSD aftershock.xtaz.co.uk 5.0-CURRENT FreeBSD 5.0-CURRENT #0: Wed Mar 19
10:53:19 GMT 2003
root@aftershock.xtaz.co.uk:/usr/obj/usr/src/sys/AFTERSHOCK i386
Script started on Thu Mar 20 09:56:12 2003
[root@aftershock crash]# gdb -
k /usr/src/sys/obj/usr/src/sys/AFTERSHOCK/kernel.debug vmcore.0
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 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 "i386-undermydesk-freebsd"...
panic: bremfree: removing a buffer not on a queue
panic messages:
---
panic: softdep_disk_io_initiation: read
syncing disks, buffers remaining... panic: bremfree: removing a buffer not on
a queue
Uptime: 15h46m0s
Dumping 512 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320
336 352 368 384 400 416 432 448 464 480 496
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:239
239 dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:239
#1 0xc0223c13 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:371
#2 0xc0223f13 in panic () at /usr/src/sys/kern/kern_shutdown.c:542
#3 0xc0266932 in bremfreel (bp=0xce6169e8) at /usr/src/sys/kern/vfs_bio.c:636
#4 0xc0266815 in bremfree (bp=0x0) at /usr/src/sys/kern/vfs_bio.c:618
#5 0xc0268c18 in vfs_bio_awrite (bp=0x0) at /usr/src/sys/kern/vfs_bio.c:1687
#6 0xc02f4502 in ffs_fsync (ap=0xd7b92a54)
at /usr/src/sys/ufs/ffs/ffs_vnops.c:255
#7 0xc02f36de in ffs_sync (mp=0xc433a800, waitfor=2, cred=0xc150af00,
td=0xc03d23a0)
at vnode_if.h:612
#8 0xc027c63b in sync (td=0xc03d23a0, uap=0x0)
at /usr/src/sys/kern/vfs_syscalls.c:138
#9 0xc0223773 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:280
#10 0xc0223f13 in panic () at /usr/src/sys/kern/kern_shutdown.c:542
#11 0xc02ecc0c in softdep_disk_io_initiation (bp=0xce6169e8)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:3465
#12 0xc026f87d in cluster_wbuild (vp=0xc50c7000, size=16384, start_lbn=12,
len=2) at buf.h:422
#13 0xc0268c09 in vfs_bio_awrite (bp=0xce59ce90)
at /usr/src/sys/kern/vfs_bio.c:1681
#14 0xc02f4502 in ffs_fsync (ap=0xd7b92c48)
at /usr/src/sys/ufs/ffs/ffs_vnops.c:255
#15 0xc02f36de in ffs_sync (mp=0xc433a800, waitfor=3, cred=0xc150af00,
td=0xc43513c0)
at vnode_if.h:612
#16 0xc027beda in sync_fsync (ap=0xd7b92cd0)
at /usr/src/sys/kern/vfs_subr.c:3493
#17 0xc0278bde in sched_sync () at vnode_if.h:612
#18 0xc02105a4 in fork_exit (callout=0xc0278a60 <sched_sync>, arg=0x0,
frame=0x0)
at /usr/src/sys/kern/kern_fork.c:875
(kgdb) quit
[root@aftershock crash]# exit
Script done on Thu Mar 20 09:57:20 2003
---
Matt (matt@xtaz.co.uk)
http://www.xtaz.co.uk/
---
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