ksymoops 2.4.4 on i586 2.4.19-pre8. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.19-pre8/ (default) -m /boot/System.map-2.4.19-pre8 (default) Warning: You did not tell me where to find symbol information. I will assume that the log matches the kernel and modules that are running right now and I'll use the default options above for symbol resolution. If the current kernel and/or modules do not match the log, you can get more accurate output by telling me the kernel version and where to find map, modules, ksyms etc. ksymoops -h explains the options. Error (regular_file): read_system_map stat /boot/System.map-2.4.19-pre8 failed May 19 10:56:09 zini kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 May 19 10:56:09 zini kernel: 00000000 May 19 10:56:09 zini kernel: *pde = 00000000 May 19 10:56:09 zini kernel: Oops: 0000 May 19 10:56:09 zini kernel: CPU: 0 May 19 10:56:09 zini kernel: EIP: 0010:[<00000000>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 May 19 10:56:09 zini kernel: EFLAGS: 00010246 May 19 10:56:09 zini kernel: eax: c0284f00 ebx: c0a240e4 ecx: c102b440 edx: c1001a58 May 19 10:56:09 zini kernel: esi: 00000000 edi: c11a3c20 ebp: c190bbe0 esp: c0bdbe5c May 19 10:56:09 zini kernel: ds: 0018 es: 0018 ss: 0018 May 19 10:56:09 zini kernel: Process grep (pid: 1224, stackpage=c0bdb000) May 19 10:56:09 zini kernel: Stack: c012629d c190bbe0 c102b440 c102b440 00000000 00000007 00000001 c190bbe0 May 19 10:56:09 zini kernel: c0126319 00000000 00000000 c11a3c20 00000001 c01278c2 00000001 c0a24040 May 19 10:56:09 zini kernel: c0a240e4 c190bbe0 c2670620 00000000 c265c0c0 c0a0b04c c0123c15 c2670620 May 19 10:56:09 zini kernel: Call Trace: [] [] [] [] [] May 19 10:56:09 zini kernel: [] [] [] [] [] [] May 19 10:56:09 zini kernel: [] [] [] May 19 10:56:09 zini kernel: Code: Bad EIP value. >>EIP; 00000000 Before first symbol Trace; c012629d Trace; c0126319 Trace; c01278c2 Trace; c0123c15 Trace; c0159f34 Trace; c0123db5 Trace; c0112611 <__verify_write+2f1/8c0> Trace; c0145a54 <__mark_inode_dirty+74/380> Trace; c012456e Trace; c0124a1f Trace; c0124a2b Trace; c0133119 Trace; c01124c0 <__verify_write+1a0/8c0> Trace; c0108cc4 <__up_wakeup+1384/24a0> May 19 10:56:09 zini kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 May 19 10:56:10 zini kernel: 00000000 May 19 10:56:10 zini kernel: *pde = 00000000 May 19 10:56:10 zini kernel: Oops: 0000 May 19 10:56:10 zini kernel: CPU: 0 May 19 10:56:10 zini kernel: EIP: 0010:[<00000000>] Not tainted May 19 10:56:10 zini kernel: EFLAGS: 00010246 May 19 10:56:10 zini kernel: eax: c0284f00 ebx: c0a247e4 ecx: c100aff0 edx: c1008bc8 May 19 10:56:10 zini kernel: esi: 00000000 edi: c11a3c90 ebp: c190b460 esp: c035de5c May 19 10:56:10 zini kernel: ds: 0018 es: 0018 ss: 0018 May 19 10:56:10 zini kernel: Process grep (pid: 1227, stackpage=c035d000) May 19 10:56:10 zini kernel: Stack: c012629d c190b460 c100aff0 c100aff0 00000000 00000007 00000001 c190b460 May 19 10:56:10 zini kernel: c0126319 00000000 00000000 c11a3c90 00000001 c01278c2 00000001 c0a24740 May 19 10:56:10 zini kernel: c0a247e4 c190b460 c2670620 00000000 c265c240 c035f04c c0123c15 c2670620 May 19 10:56:10 zini kernel: Call Trace: [] [] [] [] [] May 19 10:56:10 zini kernel: [] [] [] [] [] [] May 19 10:56:10 zini kernel: [] [] [] May 19 10:56:10 zini kernel: Code: Bad EIP value. >>EIP; 00000000 Before first symbol Trace; c012629d Trace; c0126319 Trace; c01278c2 Trace; c0123c15 Trace; c0159f34 Trace; c0123db5 Trace; c0112611 <__verify_write+2f1/8c0> Trace; c0145a54 <__mark_inode_dirty+74/380> Trace; c012456e Trace; c0124a1f Trace; c0124a2b Trace; c0133119 Trace; c01124c0 <__verify_write+1a0/8c0> Trace; c0108cc4 <__up_wakeup+1384/24a0> 1 warning and 1 error issued. Results may not be reliable.