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Subject2.4.21-pre3-ac2 oops
Hello!

I encountered a kernel oops. When that happened, I was extracting XFree86
4.2.1 sources to a reiserfs filesystem.

ksymoops 2.4.5 on i686 2.4.20-ac2. Options used
-V (default)
-k /var/log/ksymoops/20030109113946.ksyms (specified)
-l /var/log/ksymoops/20030109113946.modules (specified)
-o /lib/modules/2.4.21-pre3-ac2/ (specified)
-m /boot/System.map-2.4.21-pre3-ac2 (specified)

Jan 9 19:02:36 warpers kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000004
Jan 9 19:02:36 warpers kernel: c012ca10
Jan 9 19:02:36 warpers kernel: *pde = 00000000
Jan 9 19:02:36 warpers kernel: Oops: 0002
Jan 9 19:02:36 warpers kernel: CPU: 0
Jan 9 19:02:36 warpers kernel: EIP: 0010:[__free_pages_ok+624/652]
Not tainted
Jan 9 19:02:36 warpers kernel: EFLAGS: 00010246
Jan 9 19:02:36 warpers kernel: eax: 00000000 ebx: c106fa94 ecx:
c106fa94 edx: c12d0000
Jan 9 19:02:36 warpers kernel: esi: 00000000 edi: 00000020 ebp:
000001ba esp: c12d1dc4
Jan 9 19:02:36 warpers kernel: ds: 0018 es: 0018 ss: 0018
Jan 9 19:02:36 warpers kernel: Process kupdated (pid: 7, stackpage=c12d1000)
Jan 9 19:02:36 warpers kernel: Stack: c2899120 c106fa94 00000020
000001ba c013644e c106fa94 000000f0 00000020
Jan 9 19:02:36 warpers kernel: 000001ba c01349ac c2899120
c2899120 c2899120 c012d043 c012c11c 00000020
Jan 9 19:02:36 warpers kernel: 000000f0 00000020 00000006
00000006 c12d0000 00001145 000000f0 c029dd54
Jan 9 19:02:36 warpers kernel: Call Trace:
[try_to_free_buffers+146/236] [try_to_release_page+68/72] [__free_pages+27/28] [shrink_cache+724/764] [shrink_caches+88/136]
Jan 9 19:02:36 warpers kernel: Code: 89 58 04 89 03 8d 42 5c 89 43 04 89
5a 5c 89 73 0c ff 42 68
Using defaults from ksymoops -t elf32-i386 -a i386


>>ebx; c106fa94 <_end+d31120/d56968c>
>>ecx; c106fa94 <_end+d31120/d56968c>
>>edx; c12d0000 <_end+f9168c/d56968c>
>>esp; c12d1dc4 <_end+f93450/d56968c>

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: 8d 42 5c lea 0x5c(%edx),%eax
Code; 00000008 Before first symbol
8: 89 43 04 mov %eax,0x4(%ebx)
Code; 0000000b Before first symbol
b: 89 5a 5c mov %ebx,0x5c(%edx)
Code; 0000000e Before first symbol
e: 89 73 0c mov %esi,0xc(%ebx)
Code; 00000011 Before first symbol
11: ff 42 68 incl 0x68(%edx)


Geller Sandor <wildy@petra.hos.u-szeged.hu>

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