Oops in 2.4.9

I saw this oops in my dmesg log:

The systems is a dual PIII 450, ide disks, reiserfs root file system. Suse 7.1. GeForce256 but X was not working at the time (maybe this was the reason)

Greetings,
Jarek

invalid operand: 0000
CPU:    1
EIP:    0010:[<c012b968>]

Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: 0000001f ebx: c12d8a14 ecx: 00000046 edx: 01000000
esi: c44f1cc4 edi: 00000000 ebp: 00000000 esp: c3803ed0
ds: 0018 es: 0018 ss: 0018
Process kdm (pid: 1130, stackpage=c3803000)

Stack: c0227486 c022755a 00000051 c12d8a14 c44f1cc4 00000000 00000000 00000000 
       c12d8a14 c12d8a14 c01235e3 c12d8a14 c012c1c3 c0123841 c12d8a14 c3803f44 
       00000000 00000001 c44f1cc4 00000000 c12d8a14 c3803f44 c012392d c44f1c20 
Call Trace: [<c01235e3>] [<c012c1c3>] [<c0123841>] [<c012392d>] [<c0146ce6>] 
   [<c0145126>] [<c013e430>] [<c013e508>] [<c0106d23>] 
Code: 0f 0b 83 c4 0c 8d 76 00 8b 43 18 a8 20 74 19 6a 53 68 5a 75 

Trace; c01235e3 <remove_inode_page+3b/48>
Trace; c012c1c3 <__free_pages+1b/1c>
Trace; c0123841 <truncate_list_pages+145/1c8>
Trace; c012392d <truncate_inode_pages+69/ac>
Trace; c0146ce6 <iput+a2/194>
Trace; c0145126 <d_delete+62/a0>
Trace; c013e430 <vfs_unlink+168/198>
Trace; c013e508 <sys_unlink+a8/120>
Trace; c0106d23 <system_call+33/38>
Code; c012b968 <__free_pages_ok+a8/30c>
00000000 <_EIP>:
Code; c012b968 <__free_pages_ok+a8/30c> <=====
0: 0f 0b ud2a <=====
Code; c012b96a <__free_pages_ok+aa/30c>
2: 83 c4 0c add $0xc,%esp
Code; c012b96d <__free_pages_ok+ad/30c>
5: 8d 76 00 lea 0x0(%esi),%esi
Code; c012b970 <__free_pages_ok+b0/30c>
8: 8b 43 18 mov 0x18(%ebx),%eax
Code; c012b973 <__free_pages_ok+b3/30c>
b: a8 20 test $0x20,%al
Code; c012b975 <__free_pages_ok+b5/30c>
d: 74 19 je 28 <_EIP+0x28> c012b990 <__free_pages_ok+d0/30c>
Code; c012b977 <__free_pages_ok+b7/30c>
f: 6a 53 push $0x53
Code; c012b979 <__free_pages_ok+b9/30c>
11: 68 5a 75 00 00 push $0x755a

13 warnings issued. Results may not be reliable.