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SubjectRe: 2.4.{1,2pre1} oops in via82cxxx_audio (?)
: I'm not positive that's what's causing the oops but it seems to happen only
: when I load the sound driver and when esd starts to send a noise to the device.
: The oops and config are attached below. Let me know if it's funny looking -
: I typed it in by hand after it killed the machine but it's easily reproducable.
: Also, while it doesn't seem to be deterministic it happens over 90% of the time

Just realized that some of those symbols were defined in the via82cxxx_audio
module and I needed to load it to get them recognized. As long as I don't
play any sounds the module will load fine so here is the new and improved
ksymoops output

Matthew Harrell Behind every great computer sits
Bit Twiddlers, Inc. a skinny little geek.
ksymoops 0.7c on i686 2.4.2-pre1. Options used
-v /usr/src/linux/vmlinux (specified)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.2-pre1/ (default)
-m /boot/ (specified)

Unable to handle kernel NULL pointer reference at virtual address 00000004
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:<d883a0a0>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 40000100 ebx: cff5aa38 ecx: 0000000a edx: 00000000
esi: 00000000 edi: 0000000a ebp: c02b1fa0 esp: c02b1f40
ds: 0018 es: 0018 ss:0018
Process swapper (pid: 0, stackpage=c02b1000)
Stack: 00001111 cff5a800 d883a15f cff5aa38 cca5da80 04000001 c010a2bf 0000000a
cff5a800 c02b1fa0 00000280 c02e7b80 0000000a c02b1f98 c010a43e 0000000a
c02b1fa0 cca5da80 00006f62 c02b0000 c031b820 cca5da80 0008e000 c0108f80
Call Trace: [<d883a15f>] [<c010a2bf>] [<c010a43e>] [<c0108f80>]
[<c01f480a>] [<c01f4620>] [<c0107130>] [<c01071c2>]
[<c0105000>] [<c0100191>]
Code: 89 44 f2 04 ff 43 04 8b 53 2c 89 d0 ff 43 1c 03 43 20 89 43

>>EIP; d883a0a0 <[via82cxxx_audio]via_intr_channel+90/120> <=====
Trace; d883a15f <[via82cxxx_audio]via_interrupt+2f/70>
Trace; c010a2bf <handle_IRQ_event+2f/60>
Trace; c010a43e <do_IRQ+6e/b0>
Trace; c0108f80 <ret_from_intr+0/20>
Trace; c01f480a <acpi_idle+1ea/2b0>
Trace; c01f4620 <acpi_idle+0/2b0>
Trace; c0107130 <default_idle+0/30>
Trace; c01071c2 <cpu_idle+42/60>
Trace; c0105000 <empty_bad_page+0/1000>
Trace; c0100191 <L6+0/2>
Code; d883a0a0 <[via82cxxx_audio]via_intr_channel+90/120>
00000000 <_EIP>:
Code; d883a0a0 <[via82cxxx_audio]via_intr_channel+90/120> <=====
0: 89 44 f2 04 mov %eax,0x4(%edx,%esi,8) <=====
Code; d883a0a4 <[via82cxxx_audio]via_intr_channel+94/120>
4: ff 43 04 incl 0x4(%ebx)
Code; d883a0a7 <[via82cxxx_audio]via_intr_channel+97/120>
7: 8b 53 2c mov 0x2c(%ebx),%edx
Code; d883a0aa <[via82cxxx_audio]via_intr_channel+9a/120>
a: 89 d0 mov %edx,%eax
Code; d883a0ac <[via82cxxx_audio]via_intr_channel+9c/120>
c: ff 43 1c incl 0x1c(%ebx)
Code; d883a0af <[via82cxxx_audio]via_intr_channel+9f/120>
f: 03 43 20 add 0x20(%ebx),%eax
Code; d883a0b2 <[via82cxxx_audio]via_intr_channel+a2/120>
12: 89 43 00 mov %eax,0x0(%ebx)

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