ksymoops 2.4.5 on i686 2.4.25-20040218. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.25-20040218/ (default) -m /boot/System.map-2.4.25-20040218 (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. No modules in ksyms, skipping objects Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file? Feb 25 10:11:10 target kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Feb 25 10:11:10 target kernel: c011532b Feb 25 10:11:10 target kernel: *pde = 00000000 Feb 25 10:11:10 target kernel: Oops: 0000 Feb 25 10:11:10 target kernel: CPU: 0 Feb 25 10:11:10 target kernel: EIP: 0010:[__wake_up+27/112] Not tainted Feb 25 10:11:10 target kernel: EFLAGS: 00010082 Feb 25 10:11:10 target kernel: eax: efc0a1c8 ebx: 00000000 ecx: 00000001 edx: 00000003 Feb 25 10:11:10 target kernel: esi: efc0a1c8 edi: 00000003 ebp: da62dc80 esp: da62dc64 Feb 25 10:11:10 target kernel: ds: 0018 es: 0018 ss: 0018 Feb 25 10:11:10 target kernel: Process postmaster (pid: 7509, stackpage=da62d000) Feb 25 10:11:10 target kernel: Stack: 00000000 000001a3 00000001 00000082 00000296 ec36c750 00001da5 00002f37 Feb 25 10:11:10 target kernel: c0107ab7 efc0a100 c0107adb efc0a1c0 efc0a100 c01d095e c01d5e40 efc0a100 Feb 25 10:11:10 target kernel: 00000008 ec36c750 f7661000 c01e9afa ec36c750 00002f37 00001da5 00002f37 Feb 25 10:11:10 target kernel: Call Trace: [__down_trylock+55/60] [__down_failed_trylock+7/12] [.text.lock.xfs_iget+75/109] [xfs_inode_item_trylock+80/176] [xfs_trans_push_ail+138/368] Feb 25 10:11:10 target kernel: Code: 8b 13 0f 0d 02 39 c3 74 16 8b 4b fc 8b 01 85 c7 75 19 8b 02 Using defaults from ksymoops -t elf32-i386 -a i386 >>eax; efc0a1c8 >>esi; efc0a1c8 >>ebp; da62dc80 >>esp; da62dc64 Code; 00000000 Before first symbol 00000000 <_EIP>: Code; 00000000 Before first symbol 0: 8b 13 mov (%ebx),%edx Code; 00000002 Before first symbol 2: 0f 0d 02 prefetch (%edx) Code; 00000005 Before first symbol 5: 39 c3 cmp %eax,%ebx Code; 00000007 Before first symbol 7: 74 16 je 1f <_EIP+0x1f> 0000001f Before first symbol Code; 00000009 Before first symbol 9: 8b 4b fc mov 0xfffffffc(%ebx),%ecx Code; 0000000c Before first symbol c: 8b 01 mov (%ecx),%eax Code; 0000000e Before first symbol e: 85 c7 test %eax,%edi Code; 00000010 Before first symbol 10: 75 19 jne 2b <_EIP+0x2b> 0000002b Before first symbol Code; 00000012 Before first symbol 12: 8b 02 mov (%edx),%eax Feb 25 10:11:12 target kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 Feb 25 10:11:12 target kernel: c011532b Feb 25 10:11:12 target kernel: *pde = 00000000 Feb 25 10:11:12 target kernel: Oops: 0000 Feb 25 10:11:12 target kernel: CPU: 0 Feb 25 10:11:12 target kernel: EIP: 0010:[__wake_up+27/112] Not tainted Feb 25 10:11:12 target kernel: EFLAGS: 00010082 Feb 25 10:11:12 target kernel: eax: efc0a1c8 ebx: 00000000 ecx: 00000001 edx: 00000003 Feb 25 10:11:12 target kernel: esi: efc0a1c8 edi: 00000003 ebp: f0713bb4 esp: f0713b98 Warning (Oops_read): Code line not seen, dumping what data is available >>eax; efc0a1c8 >>esi; efc0a1c8 >>ebp; f0713bb4 >>esp; f0713b98 Feb 25 11:36:59 target kernel: SGI XFS with no debug enabled Feb 25 11:36:59 target kernel: 8139too Fast Ethernet driver 0.9.26 3 warnings issued. Results may not be reliable.