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SubjectUnable to handle kernel NULL pointer kernel 2.4.21-pre3-ac4
Interesting bits:
KT400
LVM2(hence the ac tree)
reiserfs
happened during a lengthy mysql operation.

Jan 14 19:39:17 fussbudget kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000004
Jan 14 19:39:17 fussbudget kernel: c0133c58
Jan 14 19:39:17 fussbudget kernel: *pde = 00000000
Jan 14 19:39:17 fussbudget kernel: Oops: 0002
Jan 14 19:39:17 fussbudget kernel: CPU: 0
Jan 14 19:39:17 fussbudget kernel: EIP:
0010:[__free_pages_ok+600/640] Tainted: PF
Jan 14 19:39:17 fussbudget kernel: EFLAGS: 00210246
Jan 14 19:39:17 fussbudget kernel: eax: 00000000 ebx: c10cfc00 ecx:
c5662000 edx: c566205c
Jan 14 19:39:17 fussbudget kernel: esi: 00000000 edi: 00003b37 ebp:
c0378350 esp: c5663e58
Jan 14 19:39:17 fussbudget kernel: ds: 0018 es: 0018 ss: 0018
Jan 14 19:39:17 fussbudget kernel: Process mysqld (pid: 2415,
stackpage=c5663000)
Jan 14 19:39:17 fussbudget kernel: Stack: 00000001 00200282 caa14d40
caa14d40 caa14d40 c10cfc00 c013f135 caa14d40
Jan 14 19:39:17 fussbudget kernel: dd53a428 c10cfc00 00003b37
c0378350 c0132e1f c10cfc00 000001d2 c5662000
Jan 14 19:39:17 fussbudget kernel: 00000200 000001d2 00000020
00000020 000001d2 00000020 00000006 c0133061
Jan 14 19:39:17 fussbudget kernel: Call Trace:
[try_to_free_buffers+133/240] [shrink_cache+527/768]
[shrink_caches+97/176] [try_to_free_pages_zone+54/96]
[balance_classzone+85/480]
Jan 14 19:39:17 fussbudget kernel: Code: 89 58 04 89 03 89 53 04 89 59
5c 89 73 0c ff 41 68 eb c1 0f
Using defaults from ksymoops -t elf32-i386 -a i386


>>ebx; c10cfc00 <_end+c944bc/205ca93c>
>>ecx; c5662000 <_end+52268bc/205ca93c>
>>edx; c566205c <_end+5226918/205ca93c>
>>ebp; c0378350 <contig_page_data+b0/340>
>>esp; c5663e58 <_end+5228714/205ca93c>

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 89 58 04 mov %ebx,0x4(%eax)
Code; 00000003 Before first symbol
3: 89 03 mov %eax,(%ebx)
Code; 00000005 Before first symbol
5: 89 53 04 mov %edx,0x4(%ebx)
Code; 00000008 Before first symbol
8: 89 59 5c mov %ebx,0x5c(%ecx)
Code; 0000000b Before first symbol
b: 89 73 0c mov %esi,0xc(%ebx)
Code; 0000000e Before first symbol
e: ff 41 68 incl 0x68(%ecx)
Code; 00000011 Before first symbol
11: eb c1 jmp ffffffd4 <_EIP+0xffffffd4>
Code; 00000013 Before first symbol
13: 0f 00 00 sldtl (%eax)

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