It looks like I have a bad system map file, so I'll try to make a new kernel. Anyway 
- if anyone's interested, I got the following output from ksymopps

roy

www:~/bugs># cat sadc-oops | ksymoops -m /boot/System.map-2.4.6
ksymoops 2.4.2 on i586 2.4.6.  Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.6/ (default)
     -m /boot/System.map-2.4.6 (specified)

Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not 
found in System.map.  Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol hotplug_path_R__ver_hotplug_path not found 
in System.map.  Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nfsd_linkage_R__ver_nfsd_linkage not found 
in System.map.  Ignoring ksyms_base entry
Unable to handle kernel paging request at virtual address c9049180
c9049180
*pde = 07f8b067
Oops: 0000
CPU:    0
EIP:    0010:[<c9049180>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010282
eax: c5e47f68   ebx: c0eb37a0   ecx: c0eb37c0   edx: c9049180
esi: 00000400   edi: 00000000   ebp: c7d0f000   esp: c5e47f40
ds: 0018   es: 0018   ss: 0018
Process sadc (pid: 13746, stackpage=c5e47000)
Stack: c0149fcd c7d0f000 c5e47f68 00000000 00000400 c5e47f64 c90500e0 c7f7b8c0
       00000000 00000000 00000000 c0eb37a0 ffffffea 00000000 00000400 c012ea28
       c0eb37a0 4001a000 00000400 c0eb37c0 00000000 00001000 00000003 00000022
Call Trace: [<c0149fcd>] [<c012ea28>] [<c0106d43>]
Code:  Bad EIP value.

>>EIP; c9049180 <_end+8d5bcb0/8d64b30>   <=====
Trace; c0149fcc <proc_file_read+bc/1a0>
Trace; c012ea28 <sys_read+98/d0>
Trace; c0106d42 <system_call+32/40>


3 warnings issued.  Results may not be reliable.
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