Date: Thu, 12 Dec 2002 11:09:22 +0200 From: Vallo Kallaste <kalts@estpak.ee> To: freebsd-current@freebsd.org Subject: another crash in series Message-ID: <20021212090922.GA1360@tiiu.internal>
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Hi
I see it's been discussed in the -current list.. This is with kernel
and sources from Dec 9 09:09 GMT. Happens _only_ after leaving KDE
and shutting down X. Considering the fact that I'm starting and
shutting down X/KDE once a day (startx), it's quite easy to
reproduce. Kernel and vmcore available on request.
Script started on Thu Dec 12 10:24:27 2002
bash-2.05b# gdb -k /sys/i386/compile/Myhakas-5.0-SMP/kernel.debug vmcore.5
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:
---
Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic.id = 01000000
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0242508
stack pointer = 0x10:0xd68b6c20
frame pointer = 0x10:0xd68b6c58
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 = 13 (swi6: tty:sio clock)
trap number = 12
panic: page fault
cpuid = 1; lapic.id = 01000000
boot() called on cpu#1
syncing disks, buffers remaining... panic: bwrite: buffer is not busy???
cpuid = 1; lapic.id = 01000000
boot() called on cpu#1
Uptime: 2d5h21m2s
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:232
232 dumping++;
(kgdb) where
#0 doadump () at ../../../kern/kern_shutdown.c:232
#1 0xc023f4fa in boot (howto=260) at ../../../kern/kern_shutdown.c:364
#2 0xc023f7b7 in panic () at ../../../kern/kern_shutdown.c:517
#3 0xc0289582 in bwrite (bp=0xce5d3278) at ../../../kern/vfs_bio.c:796
#4 0xc028ac76 in vfs_bio_awrite (bp=0xce5d3278)
at ../../../kern/vfs_bio.c:1643
#5 0xc035073a in ffs_fsync (ap=0xd68b6a20) at ../../../ufs/ffs/ffs_vnops.c:258
#6 0xc034f919 in ffs_sync (mp=0xc41b1a00, waitfor=2, cred=0xc1514e80,
td=0xc0440100) at vnode_if.h:612
#7 0xc029e83b in sync (td=0xc0440100, uap=0x0)
at ../../../kern/vfs_syscalls.c:138
#8 0xc023f0db in boot (howto=256) at ../../../kern/kern_shutdown.c:273
#9 0xc023f7b7 in panic () at ../../../kern/kern_shutdown.c:517
#10 0xc03bef92 in trap_fatal (frame=0xd68b6be0, eva=0)
at ../../../i386/i386/trap.c:844
#11 0xc03bec42 in trap_pfault (frame=0xd68b6be0, usermode=0, eva=0)
at ../../../i386/i386/trap.c:758
#12 0xc03be732 in trap (frame=
{tf_fs = -1071579112, tf_es = -1001914352, tf_ds = -695533552, tf_edi = -999964200, tf_esi = 1, tf_ebp = -695505832, tf_isp = -695505908, tf_ebx = 0, tf_edx = 0, tf_ecx = 8192, tf_eax = 8192, tf_trapno = 12, tf_err = 0, tf_eip = -1071373048, tf_cs = 8, tf_eflags = 66054, tf_esp = -999963956, tf_ss = 134217742})
at ../../../i386/i386/trap.c:445
#13 0xc03a7378 in calltrap () at {standard input}:99
#14 0xc024df9c in realitexpire (arg=0xc465c1d8)
at ../../../kern/kern_time.c:544
#15 0xc024e5f5 in softclock (dummy=0x0) at ../../../kern/kern_timeout.c:195
#16 0xc022ca94 in ithread_loop (arg=0xc1516600)
at ../../../kern/kern_intr.c:535
#17 0xc022b954 in fork_exit (callout=0xc022c8c0 <ithread_loop>, arg=0x0,
frame=0x0) at ../../../kern/kern_fork.c:866
(kgdb) quit
bash-2.05b# exit
exit
Script done on Thu Dec 12 10:24:41 2002
--
Vallo Kallaste
kalts@estpak.ee
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