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Subject2.1.123-2 TCP Oops
This oops has happened before with 2.1.122 as well.  I believe it is an
actual bug in the TCP stack... This machine is one of our most
heavily-loaded webservers. It's still running, but it only spat out the
oops a few minutes ago. Anybody have any ideas?

---
Unable to handle kernel paging request at virtual address 00346351
current->tss.cr3 = 0b441000, %cr3 = 0b441000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c010ed83>]
EFLAGS: 00010002
eax: 00345781 ebx: 00000202 ecx: cce3162c edx: 00346351
esi: 0000012c edi: cce31480 ebp: cf447ea0 esp: cf447ea4
ds: 0018 es: 0018 ss: 0018
Process httpd (pid: 22022, process nr: 52, stackpage=cf447000)
Stack: c016aff9 cce3162c 00000000 cce31530 c0169d83 cce31480 00000002 0000012c
cce31480 00000001 00000001 00000155 00000001 00000001 00000218 c016c593
cce31480 cce31480 cf447f80 00000155 cf447f80 c0173bc7 cce31480 cf447f80
Call Trace: [<c016aff9>] [<c0169d83>] [<c016c593>] [<c0173bc7>] [<c0154383>] [<c0173b38>] [<c01545a1>]
[<c01227a8>] [<c0107a64>] [<c010002b>]
Code: 89 02 85 c0 74 03 89 50 04 b8 01 00 00 00 eb 03 90 31 c0 c7

>>EIP: c010ed83 <del_timer+13/3c>
Trace: c016aff9 <tcp_reset_xmit_timer+3d/94>
Trace: c0169d83 <tcp_write_xmit+183/190>
Trace: c016c593 <tcp_v4_sendmsg+103/124>
Trace: c0173bc7 <inet_sendmsg+8f/a4>
Trace: c0154383 <sock_sendmsg+87/ac>
Trace: c0173bc7 <inet_sendmsg+8f/a4>
Trace: c01545a1 <sock_write+99/a4>
Trace: c01227a8 <sys_write+b4/10c>
Trace: c0107a64 <system_call+34/40>
Trace: c010002b <startup_32+2b/11e>
Code: c010ed83 <del_timer+13/3c>
Code: c010ed83 <del_timer+13/3c> 89 02 movl %eax,(%edx)
Code: c010ed85 <del_timer+15/3c> 85 c0 testl %eax,%eax
Code: c010ed87 <del_timer+17/3c> 74 03 je c010ed8c <del_timer+1c/3c>
Code: c010ed89 <del_timer+19/3c> 89 50 04 movl %edx,0x4(%eax)
Code: c010ed8c <del_timer+1c/3c> b8 01 00 00 00 movl $0x1,%eax
Code: c010ed97 <del_timer+27/3c> eb 03 jmp c010ed96 <del_timer+26/3c>
Code: c010ed99 <del_timer+29/3c> 90 nop
Code: c010ed9a <del_timer+2a/3c> 31 c0 xorl %eax,%eax
---

Simon-

| Simon Kirby | Systems Administration |
| mailto:sim@netnation.com | NetNation Communications |
| http://www.netnation.com/ | Tech: (604) 684-6892 |


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