Re: sis630 - help needed debugging in the kernel

["René Rebe" <rene.rebe@gmx.net>]

[-- Attachment #1: Type: text/plain, Size: 746 bytes --]

Thanks for the quick reply!

On Wed, 13 Jun 2001 09:54:21 -0700 (PDT)
James Simmons <jsimmons@transvirtual.com> wrote:

> 
> > I currently try to debug why the sisfb driver crashes my machine. (SIS 630
> > based laptop - linux-2.4.5-ac13).
> 
> You can do one of two things. Post both System.map and the complete oops
> or you can run ksymoops on the oops. I can find the problem then. Thanks.

ksymoops' output is attached.

[...]

k33p h4ck1n6 René

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René Rebe (Registered Linux user: #127875)
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[-- Attachment #2: ksymoops.txt --]
[-- Type: application/octet-stream, Size: 2452 bytes --]

ksymoops 2.3.7 on i686 2.4.4-ac5.  Options used
     -V (specified)
     -K (specified)
     -L (specified)
     -O (specified)
     -m /mnt/net/portable/usr/src/linux/System.map (specified)

Unable to handle kernel paging request at virtual address cc800180
c01b8f61
*pde = 0af2d067
Oops: 0002
CPU:    0
EIP:    0010:[<c01b8f61>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 0f0f0f0f   ebx: c026e51c   ecx: 00000003   edx: 00000000
esi: cc800180   edi: c026f460   ebp: 0f0f0f0f   esp: c12fde50
ds: 0018   es: 0018   ss: 0018
Process swapper (pid: 1, stackpage=c12fd000)
Stack: c02c23e0 c02dc4c0 00000593 00000000 cc7fdc08 ffffffff 00000000 00000320 
       cc7fdc00 c01ac77c c12ee000 c02dc4c0 c12fe342 00000001 0000051e 00000000 
       c12fe340 c12fe342 00000001 00000593 c018150c c12ee000 c12fe340 00000001 
Call Trace: [<cc7fdc08>] [<cc7fdc00>] [<c01ac77c>] [<c018150c>] [<c0181584>] 
   [<c01adede>] [<c0181f04>] [<c01856f9>] [<c01aaeb9>] [<c0105013>] [<c010542c>] 
Code: 89 06 8a 03 24 0f 0f b6 d0 8b 44 24 18 23 04 97 31 e8 89 46 

>>EIP; c01b8f61 <fbcon_cfb8_putcs+1ad/2c8>   <=====
Trace; cc7fdc08 <END_OF_CODE+c51ad78/????>
Trace; cc7fdc00 <END_OF_CODE+c51ad70/????>
Trace; c01ac77c <fbcon_putcs+b8/d0>
Trace; c018150c <do_update_region+118/164>
Trace; c0181584 <update_region+2c/38>
Trace; c01adede <fbcon_switch+1aa/1bc>
Trace; c0181f04 <redraw_screen+e0/160>
Trace; c01856f9 <take_over_console+ed/188>
Trace; c01aaeb9 <register_framebuffer+f9/140>
Trace; c0105013 <init+7/114>
Trace; c010542c <kernel_thread+28/38>
Code;  c01b8f61 <fbcon_cfb8_putcs+1ad/2c8>
00000000 <_EIP>:
Code;  c01b8f61 <fbcon_cfb8_putcs+1ad/2c8>   <=====
   0:   89 06                     mov    %eax,(%esi)   <=====
Code;  c01b8f63 <fbcon_cfb8_putcs+1af/2c8>
   2:   8a 03                     mov    (%ebx),%al
Code;  c01b8f65 <fbcon_cfb8_putcs+1b1/2c8>
   4:   24 0f                     and    $0xf,%al
Code;  c01b8f67 <fbcon_cfb8_putcs+1b3/2c8>
   6:   0f b6 d0                  movzbl %al,%edx
Code;  c01b8f6a <fbcon_cfb8_putcs+1b6/2c8>
   9:   8b 44 24 18               mov    0x18(%esp,1),%eax
Code;  c01b8f6e <fbcon_cfb8_putcs+1ba/2c8>
   d:   23 04 97                  and    (%edi,%edx,4),%eax
Code;  c01b8f71 <fbcon_cfb8_putcs+1bd/2c8>
  10:   31 e8                     xor    %ebp,%eax
Code;  c01b8f73 <fbcon_cfb8_putcs+1bf/2c8>
  12:   89 46 00                  mov    %eax,0x0(%esi)

 <0>Kernel panic: Attempted to kill init!