If it helps, box is running a epoll syscalls enabled application and handling a
fair share
of connected sockets.
ksymoops 2.4.9 on i686 2.6.0-test11-mjb1. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.6.0-test11-mjb1/ (default)
-m /usr/src/linux/System.map (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_ksyms stat /proc/ksyms failed
ksymoops: No such file or directory
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Unable to handle kernel NULL pointer dereference at virtual address 00000000
837a8e0a
*pde = 00000000
Oops: 0002 [#1]
CPU: 0
EIP: 0060:[<837a8e0a>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 00000000 ebx: ca2afd44 ecx: 837a766c edx: 41a54000
esi: cd4ec600 edi: 0b07ebdf ebp: 00000040 esp: ca2afd2c
ds: 007b es: 007b ss: 0068
Stack: 00000000 f8819080 f88119c0 f6bd2800 00000001 d0c12840 00000000 ca2afdcc
803c5fa8 80000000 8030da88 00000000 b3cb9380 00000002 8025f63b b3cb9380
f8813b40 00000000 8025217d 00000001 ca2afdfc f6bd2800 00000000 8025f560
Call Trace:
[<8025f63b>] ip_local_deliver_finish+0xdb/0x1a0
[<8025217d>] nf_iterate+0x3d/0xa0
[<8025f560>] ip_local_deliver_finish+0x0/0x1a0
[<80288f7d>] inet_sendmsg+0x3d/0x50
[<80240f02>] sock_sendmsg+0x82/0xa0
[<8010c99e>] handle_IRQ_event+0x3e/0x70
[<801257eb>] do_softirq+0x6b/0xd0
[<8010cd2f>] do_IRQ+0x10f/0x120
[<8010b3e0>] common_interrupt+0x18/0x20
[<80240d28>] sockfd_lookup+0x28/0x70
[<80240d11>] sockfd_lookup+0x11/0x70
[<80242100>] sys_sendto+0xd0/0xf0
[<80275e22>] tcp_send_ack+0xc2/0xd0
[<f88216ce>] e100_rx_srv+0x4be/0x520 [e100]
[<80248e7d>] netif_receive_skb+0x1dd/0x220
[<80131a73>] rcu_process_callbacks+0x163/0x170
[<802446b8>] kfree_skbmem+0x18/0x20
[<8024213d>] sys_send+0x1d/0x30
[<80242961>] sys_socketcall+0x161/0x250
[<8010cd2f>] do_IRQ+0x10f/0x120
[<8010aa73>] syscall_call+0x7/0xb
Code: 7a 83 fc 8c 7a 83 40 00 00 00 40 00 00 00 00 00 00 00 00 00
>>EIP; 837a8e0a <__crc___release_sock+15aeb5/47c4ae> <=====
>>ebx; ca2afd44 <__crc_skb_copy_datagram_iovec+30f1af/5d1d75>
>>ecx; 837a766c <__crc___release_sock+159717/47c4ae>
>>edx; 41a54000 <__crc_pci_request_region+134a3f/2126d1>
>>esi; cd4ec600 <__crc_mb_cache_entry_get+36fb25/40fd55>
>>edi; 0b07ebdf <__crc_blk_queue_invalidate_tags+67c46/17d2da>
>>esp; ca2afd2c <__crc_skb_copy_datagram_iovec+30f197/5d1d75>
Trace; 8025f63b <ip_local_deliver_finish+db/1a0>
Trace; 8025217d <nf_iterate+3d/a0>
Trace; 8025f560 <ip_local_deliver_finish+0/1a0>
Trace; 80288f7d <inet_sendmsg+3d/50>
Trace; 80240f02 <sock_sendmsg+82/a0>
Trace; 8010c99e <handle_IRQ_event+3e/70>
Trace; 801257eb <do_softirq+6b/d0>
Trace; 8010cd2f <do_IRQ+10f/120>
Trace; 8010b3e0 <common_interrupt+18/20>
Trace; 80240d28 <sockfd_lookup+28/70>
Trace; 80240d11 <sockfd_lookup+11/70>
Trace; 80242100 <sys_sendto+d0/f0>
Trace; 80275e22 <tcp_send_ack+c2/d0>
Trace; f88216ce <__crc_utf8_wctomb+5305c5/61ed76>
Trace; 80248e7d <netif_receive_skb+1dd/220>
Trace; 80131a73 <rcu_process_callbacks+163/170>
Trace; 802446b8 <kfree_skbmem+18/20>
Trace; 8024213d <sys_send+1d/30>
Trace; 80242961 <sys_socketcall+161/250>
Trace; 8010cd2f <do_IRQ+10f/120>
Trace; 8010aa73 <syscall_call+7/b>
Code; 837a8e0a <__crc___release_sock+15aeb5/47c4ae>
00000000 <_EIP>:
Code; 837a8e0a <__crc___release_sock+15aeb5/47c4ae> <=====
0: 7a 83 jp ffffff85 <_EIP+0xffffff85> 837a8d8f
<__crc___release_sock+15ae3a/47c4ae> <=====
Code; 837a8e0c <__crc___release_sock+15aeb7/47c4ae>
2: fc cld
Code; 837a8e0d <__crc___release_sock+15aeb8/47c4ae>
3: 8c 7a 83 movl %?,0xffffff83(%edx)
Code; 837a8e10 <__crc___release_sock+15aebb/47c4ae>
6: 40 inc %eax
Code; 837a8e11 <__crc___release_sock+15aebc/47c4ae>
7: 00 00 add %al,(%eax)
Code; 837a8e13 <__crc___release_sock+15aebe/47c4ae>
9: 00 40 00 add %al,0x0(%eax)
<0>Kernel panic: Fatal exception in interrupt
1 warning and 1 error issued. Results may not be reliable.
Francois Baligant - http://www.pingouin.be
Change the numbers, change your Life!
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