...happens when http browsing the net (occurs regularly within 1 hour)...
server:~# ksymoops -m /boot/System.map <dump
ksymoops 2.3.4 on i586 2.4.0-test12. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test12/ (default)
-m /boot/System.map (specified)
server login: Unable to handle kernel NULL pointer dereference at virtual
address 0000003c
c020af5e
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c020af5e>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00210246
eax: 00000000 ebx: 00000000 ecx: c28f5f60 edx: c28f5f60
esi: 000005c0 edi: c6ec75c0 ebp: 00000570 esp: c02adbec
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c02ad000)
Stack: c28f5f60 00000000 0000a876 46aa9b3e 00000014 00000000 c020b2e3
c28f5f60
c6ec75c0 c12ef680 c6ec75c0 c020db98 c02adcf0 012adc30 00000000
c022ca70
c6ec75c0 c02adce0 c030dfd8 c022c389 c6ec75c0 c02adce0
c030dfd8 c020db98
Call Trace: [<c020b2e3>] [<c020db98>] [<c022ca70>]
[<c022c389>] [<c020db98>] [<c011e7b9>] [<c022960e>]
[<c020db98>] [<c01f101c>] [<c020db98>] [<c020db98>]
[<c01f1233>] [<c020db98>] [<c020d1d9>] [<c020db98>]
[<c0222fd8>] [<c020d2ee>] [<c0222fd8>]
[<c02231cc>] [<c0222fd8>] [<c02236fa>] [<f0debc9a>] [<c01f
23e6>]
[<c022394d>] [<c020a2cb>] [<c020a817>]
[<c020a780>] [<c01f126d>] [<c020a416>] [<c020a780>] [
<c020aa5f>]
[<c020a878>] [<c01f126d>] [<c020a746>]
[<c020a878>] [<c01f4bab>] [<c011b900>] [<c010ba42
>] [<c0108ad0>]
[<ffffe000>] [<c010a7a0>]
[<c0108ad0>] [<ffffe000>] [<c0108af3>] [<c0108b57>] [<c0105
000>] [<c0100191>]
Code: 8b 40 3c 89 41 3c 8b 47 5c c7 47 18
00 00 00 00 01 41 18 8b
>>EIP; c020af5e <ip_frag_queue+20a/254> <=====
Trace; c020b2e3 <ip_defrag+b7/134>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c022ca70 <ip_ct_gather_frags+1c/90>
Trace; c022c389 <ip_conntrack_in+39/2c0>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c011e7b9 <update_process_times+1d/90>
Trace; c022960e <ip_conntrack_local+52/58>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c01f101c <nf_iterate+30/84>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c01f1233 <nf_hook_slow+3f/ac>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c020d1d9 <ip_build_xmit_slow+3b1/478>
Trace; c020db98 <output_maybe_reroute+0/14>
Trace; c0222fd8 <icmp_glue_bits+0/88>
Trace; c020d2ee <ip_build_xmit+4e/318>
Trace; c0222fd8 <icmp_glue_bits+0/88>
Trace; c02231cc <icmp_reply+16c/188>
Trace; c0222fd8 <icmp_glue_bits+0/88>
Trace; c02236fa <icmp_echo+3e/48>
Trace; f0debc9a <END_OF_CODE+2859005f/????>
Trace; c01f23e6 <sock_def_readable+26/4c>
Trace; c022394d <icmp_rcv+9d/d0>
Trace; c020a2cb <ip_run_ipprot+5f/70>
Trace; c020a817 <ip_local_deliver_finish+97/f8>
Trace; c020a780 <ip_local_deliver_finish+0/f8>
Trace; c01f126d <nf_hook_slow+79/ac>
Trace; c020a416 <ip_local_deliver+13a/144>
Trace; c020a780 <ip_local_deliver_finish+0/f8>
Trace; c020aa5f <ip_rcv_finish+1e7/218>
Trace; c020a878 <ip_rcv_finish+0/218>
Trace; c01f126d <nf_hook_slow+79/ac>
Trace; c020a746 <ip_rcv+326/360>
Trace; c020a878 <ip_rcv_finish+0/218>
Trace; c01f4bab <net_rx_action+19b/278>
Trace; c011b900 <do_softirq+40/64>
Trace; c010ba42 <do_IRQ+a2/b0>
Trace; c0108ad0 <default_idle+0/28>
Trace; ffffe000 <END_OF_CODE+377a23c5/????>
Trace; c010a7a0 <ret_from_intr+0/20>
Trace; c0108ad0 <default_idle+0/28>
Trace; ffffe000 <END_OF_CODE+377a23c5/????>
Trace; c0108af3 <default_idle+23/28>
Trace; c0108b57 <cpu_idle+3f/54>
Trace; c0105000 <empty_bad_page+0/1000>
Trace; c0100191 <L6+0/2>
Code; c020af5e <ip_frag_queue+20a/254>
00000000 <_EIP>:
Code; c020af5e <ip_frag_queue+20a/254> <=====
0: 8b 40 3c mov 0x3c(%eax),%eax <=====
Code; c020af61 <ip_frag_queue+20d/254>
3: 89 41 3c mov %eax,0x3c(%ecx)
Code; c020af64 <ip_frag_queue+210/254>
6: 8b 47 5c mov 0x5c(%edi),%eax
Code; c020af67 <ip_frag_queue+213/254>
9: c7 47 18 00 00 00 00 movl $0x0,0x18(%edi)
Code; c020af6e <ip_frag_queue+21a/254>
10: 01 41 18 add %eax,0x18(%ecx)
Code; c020af71 <ip_frag_queue+21d/254>
13: 8b 00 mov (%eax),%eax
Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle
task!
--
If you talk to God, you are praying; if God talks to you, you have
schizophrenia. -- Thomas Szasz
Try test13-pre5, it has this fixed.
Later,
David S. Miller
[email protected]