ksymoops 2.4.0 on i686 2.4.4.  Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.4/ (default)
     -m /boot/System.map (specified)

Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not found in System.map.  Ignoring ksyms_base entry
May  5 10:29:24 pollux kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014
May  5 10:29:24 pollux kernel: c014b9ca
May  5 10:29:24 pollux kernel: *pde = 00000000
May  5 10:29:24 pollux kernel: Oops: 0000
May  5 10:29:24 pollux kernel: CPU:    0
May  5 10:29:24 pollux kernel: EIP:    0010:[ext2_new_block+158/2072]
May  5 10:29:24 pollux kernel: EIP:    0010:[<c014b9ca>]
Using defaults from ksymoops -t elf32-i386 -a i386
May  5 10:29:24 pollux kernel: EFLAGS: 00010216
May  5 10:29:24 pollux kernel: eax: 00000000   ebx: ef204400   ecx: e9299a00   edx: e9e5fd9c
May  5 10:29:24 pollux kernel: esi: efd71a00   edi: 0000ccd9   ebp: 00000000   esp: e9e5fd38
May  5 10:29:24 pollux kernel: ds: 0018   es: 0018   ss: 0018
May  5 10:29:24 pollux kernel: Process netscape-commun (pid: 1260, stackpage=e9e5f000)
May  5 10:29:24 pollux kernel: Stack: e9299a00 00040000 e9e5fe14 00000000 00000000 00000000 efd71a00 00000014 
May  5 10:29:24 pollux kernel:        c014d789 ea2d69c0 00000000 e9e5fddc e9e5fee8 ea2d69c0 00000000 00000000 
May  5 10:29:24 pollux kernel:        00000000 e9e5fdc0 00000001 e9e5fdac ef204400 03030000 e9e5fda8 e9e5fddc 
May  5 10:29:24 pollux kernel: Call Trace: [ext2_get_block+45/1300] [ext2_alloc_block+116/124] [ext2_alloc_branch+50/612] [ext2_getblk+111/288] [ext2_get_block+0/1300] [ext2_get_block+820/1300] [ext2_get_block+0/1300] 
May  5 10:29:24 pollux kernel: Call Trace: [<c014d789>] [<c014d3dc>] [<c014d52a>] [<c014dcdf>] [<c014d75c>] [<c014da90>] [<c014d75c>] 
May  5 10:29:24 pollux kernel:        [<c0120c80>] [<c01313e8>] [<c0131721>] [<c0131ed2>] [<c014d75c>] [<c014dee5>] [<c014d75c>] [<c0125928>] 
May  5 10:29:24 pollux kernel:        [<c012f316>] [<c0106ae7>] 
May  5 10:29:24 pollux kernel: Code: 8b 68 14 89 54 24 2c 39 6c 24 70 72 09 8b 5c 24 70 3b 58 04 

>>EIP; c014b9ca <ext2_new_block+9e/818>   <=====
Trace; c014d789 <ext2_get_block+2d/514>
Trace; c014d3dc <ext2_alloc_block+74/7c>
Trace; c014d52a <ext2_alloc_branch+32/264>
Trace; c014dcdf <ext2_getblk+6f/120>
Trace; c014d75c <ext2_get_block+0/514>
Trace; c014da90 <ext2_get_block+334/514>
Trace; c014d75c <ext2_get_block+0/514>
Trace; c0120c80 <do_anonymous_page+34/90>
Trace; c01313e8 <create_empty_buffers+18/6c>
Trace; c0131721 <__block_prepare_write+fd/248>
Trace; c0131ed2 <block_prepare_write+22/3c>
Trace; c014d75c <ext2_get_block+0/514>
Trace; c014dee5 <ext2_prepare_write+19/20>
Trace; c014d75c <ext2_get_block+0/514>
Trace; c0125928 <generic_file_write+424/5bc>
Trace; c012f316 <sys_write+92/c8>
Trace; c0106ae7 <system_call+33/38>
Code;  c014b9ca <ext2_new_block+9e/818>
00000000 <_EIP>:
Code;  c014b9ca <ext2_new_block+9e/818>   <=====
   0:   8b 68 14                  mov    0x14(%eax),%ebp   <=====
Code;  c014b9cd <ext2_new_block+a1/818>
   3:   89 54 24 2c               mov    %edx,0x2c(%esp,1)
Code;  c014b9d1 <ext2_new_block+a5/818>
   7:   39 6c 24 70               cmp    %ebp,0x70(%esp,1)
Code;  c014b9d5 <ext2_new_block+a9/818>
   b:   72 09                     jb     16 <_EIP+0x16> c014b9e0 <ext2_new_block+b4/818>
Code;  c014b9d7 <ext2_new_block+ab/818>
   d:   8b 5c 24 70               mov    0x70(%esp,1),%ebx
Code;  c014b9db <ext2_new_block+af/818>
  11:   3b 58 04                  cmp    0x4(%eax),%ebx


1 warning issued.  Results may not be reliable.