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SubjectRe: [oops] pppd in kernel 2.4.0-test11-pre7
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Date
Alex Romosan <romosan@adonis.lbl.gov> writes:

> i forgot to bring up eth0 before attempting to connect to my dsl
> provider using ppp over ethernet and i got the following oops:
>

i hate it when i do this. the correct oops follows:

ksymoops 2.3.4 on i686 2.4.0-test11. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test11/ (default)
-m /boot/System.map-2.4.0-test11 (specified)

Nov 18 23:47:34 prospero kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000008
Nov 18 23:47:34 prospero kernel: c0115bcc
Nov 18 23:47:34 prospero kernel: *pde = 00000000
Nov 18 23:47:34 prospero kernel: Oops: 0000
Nov 18 23:47:34 prospero kernel: CPU: 0
Nov 18 23:47:34 prospero kernel: EIP: 0010:[exec_usermodehelper+668/872]
Nov 18 23:47:34 prospero kernel: EFLAGS: 00010246
Nov 18 23:47:34 prospero kernel: eax: c3688a64 ebx: c3936000 ecx: c3fcb3a0 edx: 00000000
Nov 18 23:47:34 prospero kernel: esi: 00000006 edi: 00000000 ebp: c3fcb3a0 esp: c3937fb8
Nov 18 23:47:34 prospero kernel: ds: 0018 es: 0018 ss: 0018
Nov 18 23:47:34 prospero kernel: Process pppd (pid: 21272, stackpage=c3937000)
Nov 18 23:47:34 prospero kernel: Stack: 00000100 c375de1c c375de4c c1918f40 c3fcb3a0 c3fcb3a0 c3f96ca0 c3f96ca0
Nov 18 23:47:34 prospero kernel: c3f96ca0 c3f96ca0 c0115ec0 c022c6a0 c375dedc c375dec8 c0108c24 c375de4c
Nov 18 23:47:34 prospero kernel: 00000078 c375dedc
Nov 18 23:47:34 prospero kernel: Call Trace: [exec_helper+20/24] [kernel_thread+40/56]
Nov 18 23:47:34 prospero kernel: Code: 8b 4f 08 39 ca 7d 22 8b 47 14 83 3c 90 00 74 14 89 f0 89 d3
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 8b 4f 08 mov 0x8(%edi),%ecx
Code; 00000003 Before first symbol
3: 39 ca cmp %ecx,%edx
Code; 00000005 Before first symbol
5: 7d 22 jge 29 <_EIP+0x29> 00000029 Before first symbol
Code; 00000007 Before first symbol
7: 8b 47 14 mov 0x14(%edi),%eax
Code; 0000000a Before first symbol
a: 83 3c 90 00 cmpl $0x0,(%eax,%edx,4)
Code; 0000000e Before first symbol
e: 74 14 je 24 <_EIP+0x24> 00000024 Before first symbol
Code; 00000010 Before first symbol
10: 89 f0 mov %esi,%eax
Code; 00000012 Before first symbol
12: 89 d3 mov %edx,%ebx
-
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