IIRC eject with a CD does this, Looks odd.
Unable to handle kernel NULL pointer dereference at virtual address 00000011
c011832a
*pde = 0662e001
Oops: 0002
CPU: 0
EIP: 0010:[<c011832a>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010046
eax: 00000000 ebx: 00000001 ecx: 00000000 edx: c5d7a000
esi: c5d7bf28 edi: c5d7bf2c ebp: c5d7befc esp: c5d7beb0
ds: 0018 es: 0018 ss: 0018
Stack: 00000000 ce14e660 c0117f30 00000000 00000000 c026ab54 c047832c cf5e5e04
00000001 ce14e660 c0117f30 c5d7bf34 c5d7bf34 c5d7a000 c5d7bf28 c0243839
00000000 c0478340 cf5e5e04 c5d7bf28 c024639f c0478340 00000000 00000001
Call Trace: [<c0117f30>] [<c026ab54>] [<c0117f30>] [<c0243839>] [<c024639f>]
[<c011aa5f>] [<c0246433>] [<c0155a7a>] [<c015e687>] [<c014c5e6>] [<c010778f>]
Code: ff 43 10 81 7f 04 ad 4e ad de 74 1a 68 24 83 11 c0 68 d3 43
>>EIP; c011832a <wait_for_completion+11a/1d0> <=====
Trace; c0117f30 <default_wake_function+0/40>
Trace; c026ab54 <do_ide_request+364/420>
Trace; c0117f30 <default_wake_function+0/40>
Trace; c0243839 <generic_unplug_device+119/170>
Trace; c024639f <blk_do_rq+7f/a0>
Trace; c011aa5f <__put_task_struct+1f/30>
Trace; c0246433 <block_ioctl+73/90>
Trace; c0155a7a <blkdev_ioctl+aa/100>
Trace; c015e687 <sys_ioctl+277/2fa>
Trace; c014c5e6 <sys_open+66/70>
Trace; c010778f <syscall_call+7/b>
Code; c011832a <wait_for_completion+11a/1d0>
00000000 <_EIP>:
Code; c011832a <wait_for_completion+11a/1d0> <=====
0: ff 43 10 incl 0x10(%ebx) <=====
Code; c011832d <wait_for_completion+11d/1d0>
3: 81 7f 04 ad 4e ad de cmpl $0xdead4ead,0x4(%edi)
Code; c0118334 <wait_for_completion+124/1d0>
a: 74 1a je 26 <_EIP+0x26> c0118350
<wait_for_completion+140/1d0>
Code; c0118336 <wait_for_completion+126/1d0>
c: 68 24 83 11 c0 push $0xc0118324
Code; c011833b <wait_for_completion+12b/1d0>
11: 68 d3 43 00 00 push $0x43d3
0xc011832a is in wait_for_completion (sched.c:1098).
1093 __add_wait_queue_tail(&x->wait, &wait);
1094 do {
1095 __set_current_state(TASK_UNINTERRUPTIBLE);
1096 spin_unlock_irq(&x->wait.lock);
1097 schedule();
1098 spin_lock_irq(&x->wait.lock);
1099 } while (!x->done);
1100 __remove_wait_queue(&x->wait, &wait);
1101 }
1102 x->done--;
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This archive was generated by hypermail 2b29 : Wed Aug 07 2002 - 22:00:14 EST