Date: Wed, 11 Aug 2004 03:14:52 +0200 From: Benjamin Lutz <benlutz@datacomm.ch> To: current@freebsd.org Subject: panic when trying to burn a DVD in 5.2.1 Message-ID: <20040811031452.36b44663.benlutz@datacomm.ch>
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Hi,
This may not be the most useful panic report, given how old FreeBSD 5.2.1
is by now, but maybe it helps anyway.
I get a reproducable kernel panic (page fault) if I do this:
- Start k3b, create a new data DVD
- Burn the DVD, with options "Simulate" and "On the fly".
- At least here, the burning will fail almost immediately,
I suppose that's another unrelated bug somewhere.
- The DVD Tray will open, leave it open.
- Burn the DVD again, with the same options
- PANIC!
Below is the gdb backtrace.
Sincerely,
Benjamin Lutz
root@merlin/usr/panic> uname -a
FreeBSD merlin 5.2.1-RELEASE-p8 FreeBSD 5.2.1-RELEASE-p8 #16: Wed Aug 11
02:40:41 CEST 2004 maxlor@merlin:/usr/src/sys/i386/compile/MERLIN
i386
root@merlin/usr/panic> gdb -k /boot/kernel/kernel.debug vmcore.1
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-unknown-freebsd"...
panic: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xbfafe900
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc044625f
stack pointer = 0x10:0xe3a62c74
frame pointer = 0x10:0xe3a62ca8
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 = 26 (irq15: ata1)
trap number = 12
panic: page fault
syncing disks, buffers remaining... 4547 4547 4547 4547 4547 4547 4547
4547 4547 4547 4547 4547 4547 4547 4547 4547 4547 4547 4547 4547 giving up
on 3102 buffers Uptime: 3m16s
Dumping 1023 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320
336 352 368 384 400 416 432 448 464 480 496 512 528 544 560 576 592 608
624 640 656 672 688 704 720 736 752 768 784 800 816 832 848 864 880 896
912 928 944 960 976 992 1008---
warning: cannot find file for module nvidia.ko
Error while mapping shared library sections:
nvidia.ko: No such file or directory.
Reading symbols from
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/linux/linux.
ko.debug...done. Loaded symbols for
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/linux/linux.
ko.debug Reading symbols from /boot/kernel/snd_pcm.ko...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from /boot/kernel/snd_emu10k1.ko...done.
Loaded symbols for /boot/kernel/snd_emu10k1.ko
Error while reading shared library symbols:
nvidia.ko: No such file or directory.
Reading symbols from
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/acpi/acpi.ko
.debug...done. Loaded symbols for
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/acpi/acpi.ko
.debug Reading symbols from
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/linprocfs/li
nprocfs.ko.debug...done. Loaded symbols for
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/linprocfs/li
nprocfs.ko.debug Reading symbols from
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/ipfw/ipfw.ko
.debug...done. Loaded symbols for
/usr/src/sys/i386/compile/MERLIN/modules/usr/src/sys/modules/ipfw/ipfw.ko
.debug
#0 doadump () at ../../../kern/kern_shutdown.c:240
240 dumping++;
(kgdb) backtrace
#0 doadump () at ../../../kern/kern_shutdown.c:240
#1 0xc04ef95a in boot (howto=256) at ../../../kern/kern_shutdown.c:372
#2 0xc04efcd8 in panic () at ../../../kern/kern_shutdown.c:550
#3 0xc06684fe in trap_fatal (frame=0xe3a62c34, eva=0)
at ../../../i386/i386/trap.c:821
#4 0xc0668213 in trap_pfault (frame=0xe3a62c34, usermode=0,
eva=3215976704) at ../../../i386/i386/trap.c:735
#5 0xc0667ded in trap (frame=
{tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -1078990592, tf_esi =
-963552256, tf_ebp = -475648856, tf_isp = -475648928, tf_ebx = 0, tf_edx =
368, tf_ecx = 9, tf_eax = -1078990592, tf_trapno = 12, tf_err = 2, tf_eip
= -1069260193, tf_cs = 8, tf_eflags = 66050, tf_esp = -963347904, tf_ss =
-1029856640}) at ../../../i386/i386/trap.c:420
#6 0xc0657708 in calltrap () at {standard input}:94
#7 0xc0443fc1 in ata_interrupt (data=0xc6915c00)
at ../../../dev/ata/ata-lowlevel.c:456
#8 0xc04dafd8 in ithread_loop (arg=0xc29d0600)
at ../../../kern/kern_intr.c:544
#9 0xc04d9d2f in fork_exit (callout=0xc04dae10 <ithread_loop>,
arg=0x0, frame=0x0) at ../../../kern/kern_fork.c:793
(kgdb)
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