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SubjectTwo of my favorite oopses #1
Okay, as promissed, I setup the serial console and got two differnet
oopses captured. Here is the first one. I'll post the second in a
differnt mail as to avoid confusion.

Alexander it looks like you are off the hook with this one, though still
have a look, the next one seems to be down your alley more.

These are with 2.4.0-test5. I'm going to go build -test6-pre6 now. I
just wanted to get a good oops decode with -test5 (mostly to prove I could
do it right :).

Thanks,
Chris

Unable to handle kernel NULL pointer dereference at virtual address
00000000
c0119024
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<c0119024>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010087
eax: c026dcd8 ebx: f7e8d6c0 ecx: 00000023 edx: 00000000
esi: f7e8d720 edi: 00000000 ebp: c1e19e14 esp: c1e19d84
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c1e19000)
Stack: f7e8d6c0 f7e8d720 f7d65d0c f7eb3e10 c01a19fe f7eb6000 dd3b1800
dd3b1800
f7d64e62 dd3b1c72 f7d64e00 00000022 f7eb6000 f7eb3e00 00000002
00000046
f7d64e00 f7eb6000 00000202 f7d65c00 f7edd980 00000286 00000082
f7edd980
Call Trace: [<c01a19fe>] [<c0168e22>] [<c01addf8>] [<c01ad5bb>]
[<c01a9092>] [<c01ad790>] [<c01ad9dd>]
[<c019f707>] [<c01afc3f>] [<c01b0196>] [<c01a76b8>] [<c010c8b1>]
[<c010ca96>] [<c0109390>] [<c0109390>]
[<c010b1e0>] [<c0109390>] [<c0109390>] [<c0100018>] [<c01093bd>]
[<c0109422>] [<c010cad4>] [<c0206ce6>]
Code: 8b 17 89 d0 24 df 85 45 f8 0f 84 54 03 00 00 8b 4d f8 89 4d

>>EIP; c0119024 <__wake_up+84/738> <=====
Trace; c01a19fe <ncr_start_next_ccb+56/88>
Trace; c0168e22 <blkdev_release_request+3a/3c>
Trace; c01addf8 <scsi_request_fn+20c/314>
Trace; c01ad5bb <scsi_queue_next_request+47/110>
Trace; c01a9092 <scsi_release_command+116/120>
Trace; c01ad790 <__scsi_end_request+10c/118>
Trace; c01ad9dd <scsi_io_completion+189/358>
Trace; c019f707 <rw_intr+1cb/1d8>
Trace; c01afc3f <scsi_old_done+43/5b4>
Trace; c01b0196 <scsi_old_done+59a/5b4>
Trace; c01a76b8 <sym53c8xx_intr+80/94>
Trace; c010c8b1 <handle_IRQ_event+4d/78>
Trace; c010ca96 <do_IRQ+a6/f4>
Trace; c0109390 <default_idle+0/34>
Trace; c0109390 <default_idle+0/34>
Trace; c010b1e0 <ret_from_intr+0/20>
Trace; c0109390 <default_idle+0/34>
Trace; c0109390 <default_idle+0/34>
Trace; c0100018 <startup_32+18/cc>
Trace; c01093bd <default_idle+2d/34>
Trace; c0109422 <cpu_idle+3e/54>
Trace; c010cad4 <do_IRQ+e4/f4>
Trace; c0206ce6 <vsprintf+33e/36c>
Code; c0119024 <__wake_up+84/738>
00000000 <_EIP>:
Code; c0119024 <__wake_up+84/738> <=====
0: 8b 17 mov (%edi),%edx <=====
Code; c0119026 <__wake_up+86/738>
2: 89 d0 mov %edx,%eax
Code; c0119028 <__wake_up+88/738>
4: 24 df and $0xdf,%al
Code; c011902a <__wake_up+8a/738>
6: 85 45 f8 test %eax,0xfffffff8(%ebp)
Code; c011902d <__wake_up+8d/738>
9: 0f 84 54 03 00 00 je 363 <_EIP+0x363> c0119387
<__wake_up+3e7/738>
Code; c0119033 <__wake_up+93/738>
f: 8b 4d f8 mov 0xfffffff8(%ebp),%ecx
Code; c0119036 <__wake_up+96/738>
6: 85 45 f8 test %eax,0xfffffff8(%ebp)
Code; c011902d <__wake_up+8d/738>
9: 0f 84 54 03 00 00 je 363 <_EIP+0x363> c0119387
<__wake_up+3e7/738>
Code; c0119033 <__wake_up+93/738>
f: 8b 4d f8 mov 0xfffffff8(%ebp),%ecx
Code; c0119036 <__wake_up+96/738>
12: 89 4d 00 mov %ecx,0x0(%ebp)

Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
NMI Watchdog detected LOCKUP on CPU0, registers:
CPU: 0
EIP: 0010:[<c020c7a4>]
EFLAGS: 00000086
eax: f7d65a00 ebx: f7eb6000 ecx: f7eb6054 edx: f7eb6000
esi: 00000286 edi: 00000000 ebp: c02b4c40 esp: c0277f1c
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c0277000)
Stack: f7eb6000 c01a76cc c0121b15 f7eb6000 00000000 00000000 00000000
c02b4c40
c017c546 f7edd680 00000086 c011e351 c02cc120 00000000 c011e257
00000000
00000001 c02bc1a0 00000000 0000000e c011e0fc c02bc1a0 c02cc484
c02b2800
Call Trace: [<c01a76cc>] [<c0121b15>] [<c017c546>] [<c011e351>]
[<c011e257>] [<c011e0fc>] [<c010cad4>]
[<c0109390>] [<c0109390>] [<c010b1e0>] [<c0109390>] [<c0109390>]
[<c0100018>] [<c01093bd>] [<c0109422>]
[<c0105000>] [<c01001d0>]
Code: 80 3d 64 42 26 c0 00 f3 90 7e f5 e9 4b af f9 ff 80 7b 44 00

>>EIP; c020c7a4 <stext_lock+4084/9b20> <=====
Trace; c01a76cc <sym53c8xx_timeout+0/68>
Trace; c0121b15 <timer_bh+259/2b0>
Trace; c017c546 <rs_interrupt_single+72/88>
Trace; c011e351 <bh_action+4d/b4>
Trace; c011e257 <tasklet_hi_action+4f/7c>
Trace; c011e0fc <do_softirq+5c/8c>
Trace; c010cad4 <do_IRQ+e4/f4>
Trace; c0109390 <default_idle+0/34>
Trace; c0109390 <default_idle+0/34>
Trace; c010b1e0 <ret_from_intr+0/20>
Trace; c0109390 <default_idle+0/34>
Trace; c0109390 <default_idle+0/34>
Trace; c0100018 <startup_32+18/cc>
Trace; c01093bd <default_idle+2d/34>
Trace; c0109422 <cpu_idle+3e/54>
Trace; c0105000 <empty_bad_page+0/1000>
Trace; c01001d0 <L6+0/2>
Code; c020c7a4 <stext_lock+4084/9b20>
00000000 <_EIP>:
Code; c020c7a4 <stext_lock+4084/9b20> <=====
0: 80 3d 64 42 26 c0 00 cmpb $0x0,0xc0264264 <=====
Code; c020c7ab <stext_lock+408b/9b20>
7: f3 90 repz nop
Code; c020c7ad <stext_lock+408d/9b20>
9: 7e f5 jle 0 <_EIP>
Code; c020c7af <stext_lock+408f/9b20>
b: e9 4b af f9 ff jmp fff9af5b <_EIP+0xfff9af5b>
c01a76ff <sym53c8xx_timeout+33/68>
Code; c020c7b4 <stext_lock+4094/9b20>
10: 80 7b 44 00 cmpb $0x0,0x44(%ebx)

--
Two penguins were walking on an iceburg. The first one said to the
second, "you look like you are wearing a tuxedo." The second one said,
"I might be..."
--David Lynch, Twin Peaks


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