Keith Owens wrote:
>
> On Sat, 17 Feb 2001 08:21:58 +1100,
> Matthew Geier <matthew@xxxxxxxxxxxxxxxx> wrote:
> > The linux video project's 'oms' dvd player can oops the IDE driver. The
> >oms process
> >becomes unkillable and the drive useless for any other process until the
> >machine is rebooted.
> After klogd has been told to keep its sticky fingers off the data,
> reproduce the problem and run ksymoops over the syslog output. That
> will give a clean trace of the problem so we can see if it is XFS
> related or a general kernel bug.
Unable to handle kernel NULL pointer dereference at virtual address
00000034
cda5f1f1
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<cda5f1f1>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00210246
eax: c20ea000 ebx: c12742c0 ecx: 00001600 edx: 00000000
esi: 00000000 edi: c028c8d0 ebp: c12742c0 esp: c20edc24
ds: 0018 es: 0018 ss: 0018
Process oms_shell (pid: 1082, stackpage=c20ed000)
Stack: c12742c0 c665ee00 c028c8d0 cda5f265 c12742c0 c028c8d0 c665ee00
0012a3cc
cda5fa35 c028c8d0 0012a3cc 0012a3cc c028c8d0 c12742c0 cda648e0
c665ee00
c0178238 c028c8d0 c12742c0 0012a3cc c028c890 c028c8d0 c7ff6960
c028c8d0
Call Trace: [<cda5f265>] [<cda5fa35>] [<cda648e0>] [<c0178238>]
[<c0178571>] [<c01785ef>] [<c015d854>]
[<c011949c>] [<c01448d1>] [<c01663d7>] [<c012b764>] [<c012b8c4>]
[<c01218d3>] [<c0121948>] [<c0121ac0>]
[<c01129ff>] [<c01128a4>] [<c0122774>] [<c01300a8>] [<c016602c>]
[<c013032e>] [<c0108d87>]
Code: 8b 4e 34 39 c8 74 1a 29 c8 8d 90 ff 01 00 00 83 f8 ff 0f 4f
>>EIP; cda5f1f1 <[ide-cd]restore_request+d/44> <=====
Trace; cda5f265 <[ide-cd]cdrom_start_read+3d/a4>
Trace; cda5fa35 <[ide-cd]ide_do_rw_cdrom+f9/158>
Trace; cda648e0 <[ide-cd]ide_cdrom_driver+0/3c>
Trace; c0178238 <start_request+1b4/22c>
Trace; c0178571 <ide_do_request+299/2e0>
Trace; c01785ef <do_ide_request+f/14>
Trace; c015d854 <generic_unplug_device+20/28>
Trace; c011949c <__run_task_queue+50/64>
Trace; c01448d1 <kiobuf_wait_for_io+61/a0>
Trace; c01663d7 <rw_raw_dev+353/44c>
Trace; c012b764 <__alloc_pages_limit+94/b8>
Trace; c012b8c4 <__alloc_pages+13c/2ec>
Trace; c01218d3 <do_anonymous_page+2f/74>
Trace; c0121948 <do_no_page+30/c0>
Trace; c0121ac0 <handle_mm_fault+e8/164>
Trace; c01129ff <do_page_fault+15b/41c>
Trace; c01128a4 <do_page_fault+0/41c>
Trace; c0122774 <do_munmap+58/280>
Trace; c01300a8 <default_llseek+0/8c>
Trace; c016602c <raw_read+1c/24>
Trace; c013032e <sys_read+8e/c4>
Trace; c0108d87 <system_call+33/38>
Code; cda5f1f1 <[ide-cd]restore_request+d/44>
00000000 <_EIP>:
Code; cda5f1f1 <[ide-cd]restore_request+d/44> <=====
0: 8b 4e 34 mov 0x34(%esi),%ecx <=====
Code; cda5f1f4 <[ide-cd]restore_request+10/44>
3: 39 c8 cmp %ecx,%eax
Code; cda5f1f6 <[ide-cd]restore_request+12/44>
5: 74 1a je 21 <_EIP+0x21> cda5f212
<[ide-cd]restore_request+2e/44>
Code; cda5f1f8 <[ide-cd]restore_request+14/44>
7: 29 c8 sub %ecx,%eax
Code; cda5f1fa <[ide-cd]restore_request+16/44>
9: 8d 90 ff 01 00 00 lea 0x1ff(%eax),%edx
Code; cda5f200 <[ide-cd]restore_request+1c/44>
f: 83 f8 ff cmp $0xffffffff,%eax
Code; cda5f203 <[ide-cd]restore_request+1f/44>
12: 0f 4f 00 cmovg (%eax),%eax
smime.p7s
Description: S/MIME Cryptographic Signature
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