Date: Thu, 24 Oct 2002 12:54:57 +0300 From: Vallo Kallaste <kalts@estpak.ee> To: freebsd-current@freebsd.org Subject: Crash again Message-ID: <20021024095457.GA1864@tiiu.internal>
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Hi
The same kernel compiled for purposes of smbfs debugging crashed
again. I had X, make -j2 running and no smbfs mounts. For what it's
worth, the system did hang hard (no interrupts) some minutes before
the aforementioned crash and I had to reboot by hand.
Script started on Thu Oct 24 12:37:19 2002
bash-2.05b# gdb -k /sys/i386/compile/Myhakas-5.0-SMP.vana/kernel.debug /usr/cra
sh/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: bwrite: buffer is not busy???
panic messages:
---
panic: lockmgr: draining against myself
cpuid = 1; lapic.id = 01000000
boot() called on cpu#1
syncing disks... panic: bwrite: buffer is not busy???
cpuid = 1; lapic.id = 01000000
boot() called on cpu#1
Uptime: 21m46s
pfs_vncache_unload(): 1 entries remaining
Dumping 511 MB
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 ../../../kern/kern_shutdown.c:223
223 dumping++;
(kgdb) where
#0 doadump () at ../../../kern/kern_shutdown.c:223
#1 0xc0236e8a in boot (howto=260) at ../../../kern/kern_shutdown.c:355
#2 0xc0237147 in panic () at ../../../kern/kern_shutdown.c:508
#3 0xc027e982 in bwrite (bp=0xce3e92dc) at ../../../kern/vfs_bio.c:796
#4 0xc027f039 in bawrite (bp=0x0) at ../../../kern/vfs_bio.c:1085
#5 0xc033b16f in ffs_fsync (ap=0xd795958c) at ../../../ufs/ffs/ffs_vnops.c:236
#6 0xc033a499 in ffs_sync (mp=0xc4057400, waitfor=2, cred=0xc13c3e80,
td=0xc0436be0) at vnode_if.h:612
#7 0xc02939e8 in sync (td=0xc0436be0, uap=0x0)
at ../../../kern/vfs_syscalls.c:130
#8 0xc0236a6b in boot (howto=256) at ../../../kern/kern_shutdown.c:264
#9 0xc0237147 in panic () at ../../../kern/kern_shutdown.c:508
#10 0xc0228f80 in lockmgr (lkp=0xc45fd43c, flags=65543, interlkp=0xc45fd378,
td=0xc3eb70d0) at ../../../kern/kern_lock.c:433
#11 0xc028640c in vop_stdlock (ap=0x0) at ../../../kern/vfs_default.c:279
#12 0xc0349348 in ufs_vnoperate (ap=0x0) at ../../../ufs/ufs/ufs_vnops.c:2763
#13 0xc0290d6a in vclean (vp=0xc45fd378, flags=8, td=0xc3eb70d0)
at vnode_if.h:990
#14 0xc029142a in vgonel (vp=0xc45fd378, td=0x0)
at ../../../kern/vfs_subr.c:2665
#15 0xc0291310 in vrecycle (vp=0xc45fd378, inter_lkp=0x0, td=0x0)
at ../../../kern/vfs_subr.c:2620
#16 0xc03413fc in ufs_inactive (ap=0x0) at ../../../ufs/ufs/ufs_inode.c:133
#17 0xc0349348 in ufs_vnoperate (ap=0x0) at ../../../ufs/ufs/ufs_vnops.c:2763
#18 0xc0290420 in vput (vp=0xc45fd378) at vnode_if.h:930
#19 0xc033212d in handle_workitem_freeblocks (freeblks=0xc4d07500, flags=0)
at ../../../ufs/ffs/ffs_softdep.c:2494
#20 0xc03315f4 in softdep_setup_freeblocks (ip=0xc4d4c500, length=0,
flags=2048) at ../../../ufs/ffs/ffs_softdep.c:2077
---Type <return> to continue, or q <return> to quit---
#21 0xc0327938 in ffs_truncate (vp=0xc45fd378, length=0, flags=3072, cred=0x0,
td=0xc3eb70d0) at ../../../ufs/ffs/ffs_inode.c:271
#22 0xc03412c8 in ufs_inactive (ap=0x0) at ../../../ufs/ufs/ufs_inode.c:100
#23 0xc0349348 in ufs_vnoperate (ap=0x0) at ../../../ufs/ufs/ufs_vnops.c:2763
#24 0xc0290420 in vput (vp=0xc45fd378) at vnode_if.h:930
#25 0xc03336c2 in handle_workitem_remove (dirrem=0xc4567140, xp=0x0)
at ../../../ufs/ffs/ffs_softdep.c:3324
#26 0xc032f0ed in process_worklist_item (matchmnt=0x0, flags=0)
at ../../../ufs/ffs/ffs_softdep.c:727
#27 0xc032eea0 in softdep_process_worklist (matchmnt=0x0)
at ../../../ufs/ffs/ffs_softdep.c:624
#28 0xc028f411 in sched_sync () at ../../../kern/vfs_subr.c:1739
#29 0xc0222e14 in fork_exit (callout=0xc028f010 <sched_sync>, arg=0x0,
frame=0x0) at ../../../kern/kern_fork.c:860
(kgdb) quit
bash-2.05b# exit
exit
Script done on Thu Oct 24 12:37:38 2002
--
Vallo Kallaste
kalts@estpak.ee
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