oops in 2.6.4rc2+preempt
Viktors Rotanovs
viktors at rotanovs.com
Wed Mar 17 14:27:01 UTC 2004
Hi,
I got the following on 2.6.4rc2+preempt with TUX patch made for 2.6.3 after
load increased on one of our servers. I know that this combination is highly
experemental and most likely it's my fault, I'm posting this just because it
may be interesting for someone.
Unable to handle kernel NULL pointer dereference at virtual address 00000115
printing eip:
c0241f41
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<c0241f41>] Not tainted
EFLAGS: 00010293
EIP is at do_tcp_sendpages+0x191/0xac0
eax: 00000000 ebx: e5451c00 ecx: 00000111 edx: 00000111
esi: 00000000 edi: dca774c0 ebp: ddca1080 esp: ec125e70
ds: 007b es: 007b ss: 0068
Process tux (pid: 1503, threadinfo=ec124000 task=ec9cb410)
Stack: ec125ea8 c010a3ef 00000000 00000014 dd791ef4 ea581d2c ea581c00 ddca10d4
00000111 00000076 00000111 00000000 000005b4 ddca124c 00001076 ec125ed0
00000000 00001076 ddca1080 0000c040 00000111 c02428e2 00000111 0000c040
Call Trace:
[<c010a3ef>] handle_IRQ_event+0x2f/0x60
[<c02428e2>] tcp_sendpage+0x72/0x80
[<c028a7d4>] do_send_abuf+0x54/0x160
[<c027b9fc>] tux_schedule_atom+0xc/0x10
[<c027c7da>] process_requests+0xaa/0xd0
[<c0287f19>] event_loop+0x129/0x190
[<c028971d>] __sys_tux+0x21d/0xb20
[<c015267a>] path_release+0xa/0x30
[<c014560d>] sys_chdir+0x5d/0x70
[<c0108c67>] syscall_call+0x7/0xb
Code: ff 42 04 8b 7c 24 28 8b 83 a4 00 00 00 8d 04 f0 8d 50 10 89
<5>TUX: thread 0 stopping ...
Best Wishes,
Viktors
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