Oops on Ctrl-Alt-Del

[Antonino D. <ad...@po...>]

Hi,

I get this kernel oops when doing a Ctrl-Alt-Del which almost always
occurs immediately after a Disk I/O operation.  This is from the ruby
tree 24 hours ago.  I'm not so sure how to go about this, so I'll just
post the oops-tracing.

Tony

-- start trace --

<4>cpu: 0, clocks: 1004299, slice: 502149
<1>Unable to handle kernel paging request at virtual address 5a5a5a5a
<4>c018dc05
<1>*pde = 00000000
<4>Oops: 0000
<4>CPU:    0
<4>EIP:    0010:[<c018dc05>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
<4>EFLAGS: 00010006
<4>eax: cbc0b000   ebx: 5a5a5a5a   ecx: 0000004b   edx: cbedf0a8
<4>esi: c12fe000   edi: 0000f20c   ebp: 00000080   esp: c0261e9c
<4>ds: 0018   es: 0018   ss: 0018
<4>Process swapper (pid: 0, stackpage=c0261000)
<4>Stack: 5a5a5a5a c018d14e 5a5a5a5a 00000002 c018d19b c12fe000 c018db0c
c12fe000 
<4>       0000000c 00000000 00000001 c13ed200 00000001 0000006f 0000000b
c018db45 
<4>       c02baa40 0000006f 00000001 c01b704a cbedcd5c 00000001 0000006f
00000001 
<4>Call Trace: [<c018d14e>] [<c018d19b>] [<c018db0c>] [<c018db45>]
[<c01b704a>] 
<4>   [<c01b89ae>] [<c01b85b7>] [<c01080fd>] [<c0108266>] [<c0105150>]
[<c0105150>] 
<4>   [<c0105150>] [<c0105150>] [<c0105173>] [<c01051d9>] [<c0105000>]
[<c0105027>] 
<4>Code: 8b 03 85 c0 74 18 39 98 74 10 00 00 75 10 c7 80 74 10 00 00 

>>EIP; c018dc04 <kbd_disconnect+4/40>   <=====
Trace; c018d14e <fn_boot_it+26/38>
Trace; c018d19a <k_spec+2e/34>
Trace; c018db0c <kbd_keycode+200/218>
Trace; c018db44 <kbd_event+20/40>
Trace; c01b704a <input_event+2ea/304>
Trace; c01b89ae <atkbd_interrupt+19e/1ac>
Trace; c01b85b6 <i8042_interrupt+b2/c8>
Trace; c01080fc <handle_IRQ_event+30/5c>
Trace; c0108266 <do_IRQ+6a/a8>
Trace; c0105150 <default_idle+0/28>
Trace; c0105150 <default_idle+0/28>
Trace; c0105150 <default_idle+0/28>
Trace; c0105150 <default_idle+0/28>
Trace; c0105172 <default_idle+22/28>
Trace; c01051d8 <cpu_idle+40/54>
Trace; c0105000 <_stext+0/0>
Trace; c0105026 <rest_init+26/28>
Code;  c018dc04 <kbd_disconnect+4/40>
00000000 <_EIP>:
Code;  c018dc04 <kbd_disconnect+4/40>   <=====
   0:   8b 03                     mov    (%ebx),%eax   <=====
Code;  c018dc06 <kbd_disconnect+6/40>
   2:   85 c0                     test   %eax,%eax
Code;  c018dc08 <kbd_disconnect+8/40>
   4:   74 18                     je     1e <_EIP+0x1e> c018dc22
<kbd_disconnect+22/40>
Code;  c018dc0a <kbd_disconnect+a/40>
   6:   39 98 74 10 00 00         cmp    %ebx,0x1074(%eax)
Code;  c018dc10 <kbd_disconnect+10/40>
   c:   75 10                     jne    1e <_EIP+0x1e> c018dc22
<kbd_disconnect+22/40>
Code;  c018dc12 <kbd_disconnect+12/40>
   e:   c7 80 74 10 00 00 00      movl   $0x0,0x1074(%eax)
Code;  c018dc18 <kbd_disconnect+18/40>
  15:   00 00 00 

<4> <0>Kernel panic: Aiee, killing interrupt handler!

-- end trace --