I've a
bash$ cat /proc/cpuinfo
processor : 0
vendor_id : CyrixInstead
cpu family : 5
model : 2
model name : 6x86 2x Core/Bus Clock
stepping : 5
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu
bogomips : 132.71
Today I had an Oops :) Here the oops with the ksymoops output:
Jan 22 19:01:45 localhost kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000001
Jan 22 19:01:45 localhost kernel: current->tss.cr3 = 0271d000, `r3 =
0271d000
Jan 22 19:01:45 localhost kernel: *pde = 00000000
Jan 22 19:01:45 localhost kernel: Oops: 0000
Jan 22 19:01:45 localhost kernel: CPU: 0
Jan 22 19:01:45 localhost kernel: EIP: 0010:[<00000001>]
Jan 22 19:01:45 localhost kernel: EFLAGS: 00010293
Jan 22 19:01:45 localhost kernel: eax: c25ea000 ebx: c0270000 ecx:
c1ff8aa0
Jan 22 19:01:45 localhost kernel: esi: c0270000 edi: c0129f43 ebp:
00000001
Jan 22 19:01:45 localhost kernel: ds: 0018 es: 0018 ss: 0018
Jan 22 19:01:45 localhost kernel: Process rc (pid: 590, process nr: 4,
stackpage=c0271000)
Jan 22 19:01:45 localhost kernel: Stack: 080a5618 bffffab0 bffffa60
c0088260 c0107b45 c0271fc4 c0107a40 00000005
Jan 22 19:01:45 localhost kernel: 00000001 080a5618 00000060
080a5618 bffffab0 0000003f 0000002b 0000002b
Jan 22 19:01:45 localhost kernel: 0000003f 4007bb81 00000023
00000202 bffffa7c 0000002b
Jan 22 19:01:45 localhost kernel: Call Trace: [<c0107b45>] [<c0107a40>]
Jan 22 19:01:45 localhost kernel: Code: <1>Unable to handle kernel NULL
pointer
>>EIP: 00000001 Before first symbol
Trace: c0107b45 <error_code+2d/34>
Trace: c0107a40 <system_call+34/38>
Jan 22 19:01:45 localhost kernel: current->tss.cr3 = 0271d000, `r3 =
0271d000
Jan 22 19:01:45 localhost kernel: *pde = 00000000
Jan 22 19:01:45 localhost kernel: Oops: 0000
Jan 22 19:01:45 localhost kernel: CPU: 0
Jan 22 19:01:45 localhost kernel: EIP: 0010:[<c0107ebf>]
Jan 22 19:01:45 localhost kernel: EFLAGS: 00010086
Jan 22 19:01:45 localhost kernel: eax: 00000001 ebx: 00000000 ecx:
00000005
Jan 22 19:01:45 localhost kernel: esi: 0000002b edi: c0272000 ebp:
c3000000
Jan 22 19:01:45 localhost kernel: ds: 0018 es: 0018 ss: 0018
Jan 22 19:01:45 localhost kernel: Process rc (pid: 590, process nr: 4,
stackpage=c0271000)
Jan 22 19:01:45 localhost kernel: Stack: c0270000 c008a0e0 c01cb6da
c0270000 c0129f43 00000001 c25ea000 c0270000
Jan 22 19:01:45 localhost kernel: c1ff8aa0 fffffff7 00000001
00010293 c3000000 c3800000 c0107f20 c0271f6c
Jan 22 19:01:45 localhost kernel: c01952f0 c01961d9 00000000
00000000 c010cfa2 c01961d9 c0271f6c c0100000
Jan 22 19:01:45 localhost kernel: Call Trace: [<c0129f43>] [<c3000000>]
[<c3800000>] [<c0107f20>] [<c01952f0>] [<c01961d9>] [<c010cfa2>]
Jan 22 19:01:45 localhost kernel: [<c01961d9>] [<c0100000>]
[<c0129f43>]
[<c0107b45>] [<c0100000>] [<c0129f43>] [<c0120010>] [<c0107b45>]
Jan 22 19:01:45 localhost kernel: [<c0107a40>]
Jan 22 19:01:45 localhost kernel: Code: 0f b6 0c 03 89 4c 24 38 51 68 e8
52 19 c0 e8 d2 96 00 00 83
>>EIP: c0107ebf <show_registers+26b/29c>
Trace: c0129f43 <sys_dup2+57/174>
Trace: c3000000 <END_OF_CODE+2e19534/????>
Trace: c3800000 <END_OF_CODE+3619534/????>
Trace: c0107f20 <die+30/38>
Trace: c01952f0 <stext_lock+cc4/1c24>
Trace: c01961d9 <stext_lock+1bad/1c24>
Trace: c010cfa2 <do_page_fault+2d6/32c>
Trace: c01961d9 <stext_lock+1bad/1c24>
Trace: c0107b45 <error_code+2d/34>
Trace: c0107a40 <system_call+34/38>
Code: c0107ebf <show_registers+26b/29c> 00000000 <_EIP>:
Code: c0107ebf <show_registers+26b/29c> 0: 0f b6 0c 03
movzbl (%ebx,%eax,1),%ecx
Code: c0107ec3 <show_registers+26f/29c> 4: 89 4c 24 38
movl %ecx,0x38(%esp,1)
Code: c0107ec7 <show_registers+273/29c> 8: 51
pushl %ecx
Code: c0107ec8 <show_registers+274/29c> 9: 68 e8 52 19 c0
pushl $0xc01952e8
Code: c0107ecd <show_registers+279/29c> e: e8 d2 96 00 00
call 96e5 <_EIP+0x96e5> c01115a4 <printk+0/174>
Code: c0107ed2 <show_registers+27e/29c> 13: 83 00 00
addl $0x0,(%eax)
I've choose Pentium/6x86 as CPU config.
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