oops

From: Silas S. Brown (nospam@cam.ac.uk)
Date: Mon Oct 16 2000 - 12:35:41 EST


ksymoops 2.3.4 on i686 2.2.17. Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.2.17/ (default)
     -m /boot/System.map-2.2.17 (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?
Error (regular_file): read_system_map stat /boot/System.map-2.2.17 failed
Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 057e3000, %cr3 = 057e3000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[n_tty_chars_in_buffer+12/64]
EFLAGS: 00010286
eax: 00181a18 ebx: c48ef0fc ecx: 00000000 edx: c48ee000
esi: 00000000 edi: c1948d80 ebp: 00000008 esp: c5689e74
ds: 0018 es: 0018 ss: 0018
Process xemacs (pid: 9301, process nr: 29, stackpage=c5689000)
Stack: c48ee000 00000001 c5689fc4 00000000 c48ef000 00000001 c5689eec c0169f3b
       c0abaa40 c5f98d80 00000020 c0183fae c48ef000 00000020 c5689f34 c5689f68
       c48ef000 c1948d80 00000100 00000001 00000020 00000000 00000040 c01809ca
Call Trace: [unix_stream_recvmsg+707/816] [normal_poll+234/260] [tty_poll+150/164] [sock_recvmsg+65/184] [do_select+274/512] [sys_select+885/1180] [sys_select+997/1180]
Code: 1a 1e 1a 1a 1e 1e 1e 25 1e 25 25 25 1e 1e 1a 1a 1e 1a 1e 1e
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
   0: 1a 1e sbb (%esi),%bl
Code; 00000002 Before first symbol
   2: 1a 1a sbb (%edx),%bl
Code; 00000004 Before first symbol
   4: 1e push %ds
Code; 00000005 Before first symbol
   5: 1e push %ds
Code; 00000006 Before first symbol
   6: 1e push %ds
Code; 00000007 Before first symbol
   7: 25 1e 25 25 25 and $0x2525251e,%eax
Code; 0000000c Before first symbol
   c: 1e push %ds
Code; 0000000d Before first symbol
   d: 1e push %ds
Code; 0000000e Before first symbol
   e: 1a 1a sbb (%edx),%bl
Code; 00000010 Before first symbol
  10: 1e push %ds
Code; 00000011 Before first symbol
  11: 1a 1e sbb (%esi),%bl
Code; 00000013 Before first symbol
  13: 1e push %ds

2 warnings and 1 error issued. Results may not be reliable.

-- 
Silas S Brown, St John's College Cambridge UK http://www.flatline.org.uk/~silas

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