On Tue, 6 Jan 2009 10:01:49 -0500
Adam K Kirchhoff <ad...@voicenet.com> wrote:
> On Saturday 03 January 2009 09:38:56 Adam K Kirchhoff wrote:
> > On Sat, 03 Jan 2009 07:36:11 +0200
> >
> > Hannu Savolainen <ha...@opensound.com> wrote:
> > > Adam K Kirchhoff wrote:
> > > > Two crashes this morning while playing videos with mplayer:
> > >
> > > Might it be possible that these crashes occur when you hit stop/pause or
> > > when the chapter/whatever changes in the video? I think an interrupt
> > > occurs after the device has been closed and the DMA buffer removed.
> > > However I don't know why this situation happens only in your system. The
> > > related code has been unchanged for years so somebody else must have
> > > experienced this crash too. Maybe doing fresh recompile of OSS helps.
> >
> > Yes, now that I think about it, I think I had just paused the video
> > both times. In fact, I just remotely logged into the machine, killed
> > artsd (so I could run 'soundoff' and then update/recompile the driver),
> > and the machine panicked again.
> >
> > It is an odd crash. I have a machine at home with an SB Live running
> > FreeBSD (both amd64 and i386 on separate drives) and haven't had this
> > problem. When this is done booting back up, I'll recompile OSS and see
> > if I can run a few tests to reproduce this problem.
>
> Since recompiling, I haven't had a crash yet. I'll let everyone know if it
> starts happening again.
It happened again this morning. I was playing a video with mplayer,
hit pause, and the entire machine crashed:
[ r...@memory - /var/crash ]: kgdb /boot/kernel/kernel vmcore.3
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This GDB was configured as "i386-marcel-freebsd"...
Unread portion of the kernel message buffer:
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 06
fault virtual address = 0xe6eea000
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc4a20774
stack pointer = 0x28:0xe681fbac
frame pointer = 0x28:0xe681fbb0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 1104 (irq20: oss_sblive+)
trap number = 12
panic: page fault
cpuid = 2
Uptime: 1h9m20s
Physical memory: 1010 MB
Dumping 197 MB: (CTRL-C to abort) 182 166 150 134 118 102 86 70 54 38 22 6
Reading symbols from /boot/kernel/linux.ko...Reading symbols from
/boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
Reading symbols from /boot/kernel/aio.ko...Reading symbols from
/boot/kernel/aio.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/aio.ko
Reading symbols from /boot/modules/kqemu.ko...done.
Loaded symbols for /boot/modules/kqemu.ko
Reading symbols from /boot/kernel/acpi.ko...Reading symbols from
/boot/kernel/acpi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from
/boot/kernel/linprocfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linprocfs.ko
Reading symbols from /boot/kernel/smbfs.ko...Reading symbols from
/boot/kernel/smbfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/smbfs.ko
Reading symbols from /boot/kernel/libiconv.ko...Reading symbols from
/boot/kernel/libiconv.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/libiconv.ko
Reading symbols from /boot/kernel/libmchain.ko...Reading symbols from
/boot/kernel/libmchain.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/libmchain.ko
Reading symbols from /usr/local/modules/fuse.ko...done.
Loaded symbols for /usr/local/modules/fuse.ko
Reading symbols from /usr/lib/oss/modules/osscore.ko...done.
Loaded symbols for /usr/lib/oss/modules/osscore.ko
Reading symbols from /usr/lib/oss/modules/oss_sblive.ko...done.
Loaded symbols for /usr/lib/oss/modules/oss_sblive.ko
Reading symbols from /usr/lib/oss/modules/oss_ich.ko...done.
Loaded symbols for /usr/lib/oss/modules/oss_ich.ko
Reading symbols from /boot/kernel/radeon.ko...done.
Loaded symbols for /boot/kernel/radeon.ko
Reading symbols from /boot/kernel/drm.ko...done.
Loaded symbols for /boot/kernel/drm.ko
Reading symbols from /boot/kernel/if_bridge.ko...Reading symbols from
/boot/kernel/if_bridge.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/if_bridge.ko
Reading symbols from /boot/kernel/bridgestp.ko...Reading symbols from
/boot/kernel/bridgestp.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/bridgestp.ko
Reading symbols from /boot/kernel/if_tap.ko...Reading symbols from
/boot/kernel/if_tap.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/if_tap.ko
#0 doadump () at pcpu.h:196
196 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump () at pcpu.h:196
#1 0xc078fbb7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2 0xc078fe89 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3 0xc0aa1b6c in trap_fatal (frame=0xe681fb6c, eva=3874398208) at
/usr/src/sys/i386/i386/trap.c:939
#4 0xc0aa24ff in trap (frame=0xe681fb6c) at /usr/src/sys/i386/i386/trap.c:320
#5 0xc0a8862b in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#6 0xc4a20774 in oss_memset () from /usr/lib/oss/modules/osscore.ko
#7 0xc49fc4e0 in do_outputintr () from /usr/lib/oss/modules/osscore.ko
#8 0xc49fc789 in audio_outputintr () from /usr/lib/oss/modules/osscore.ko
#9 0xc4a766d8 in sbliveintr () from /usr/lib/oss/modules/oss_sblive.ko
#10 0xc4a20b00 in ossintr () from /usr/lib/oss/modules/osscore.ko
#11 0xc076f88b in ithread_loop (arg=0xc4392710) at
/usr/src/sys/kern/kern_intr.c:1088
#12 0xc076c3f9 in fork_exit (callout=0xc076f6d0 <ithread_loop>, arg=0xc4392710,
frame=0xe681fd38)
at /usr/src/sys/kern/kern_fork.c:804
#13 0xc0a886a0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264
I'm willing to do any testing necessary to fix this bug.
Adam
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