linux-kernel - Re: Oops in 2.6.19.1

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Message-Id: <200612231540.47176.s0348365@sms.ed.ac.uk>
Date:	Sat, 23 Dec 2006 15:40:46 +0000
From:	Alistair John Strachan <s0348365@....ed.ac.uk>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Greg KH <greg@...ah.com>, Chuck Ebbert <76306.1226@...puserve.com>
Subject: Re: Oops in 2.6.19.1

On Wednesday 20 December 2006 14:21, Alistair John Strachan wrote:
> Hi,
>
> Any ideas?

Pretty much like clockwork, it happened again. I think it's time to take this 
seriously as a software bug, and not some hardware problem. I've ran kernels 
since 2.6.0 on this machine without such crashes, and now two of the same in 
2.6.19.1? Pretty unlikely!

BUG: unable to handle kernel NULL pointer dereference at virtual address 
00000009
 printing eip:
c0156f60
*pde = 00000000
Oops: 0002 [#1]
Modules linked in: ipt_recent ipt_REJECT xt_tcpudp ipt_MASQUERADE iptable_nat 
xt_sta
te iptable_filter ip_tables x_tables prism54 yenta_socket rsrc_nonstatic 
pcmcia_core snd_via82xx snd_ac97_codec snd_ac97_bus
snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd soundcore 
usblp ehci_hcd eth1394 uhci_hcd usbcore ohci1394 i
eee1394 via_agp agpgart vt1211 hwmon_vid hwmon ip_nat_ftp ip_nat 
ip_conntrack_ftp ip_conntrack
CPU:    0
EIP:    0060:[<c0156f60>]    Not tainted VLI
EFLAGS: 00010246   (2.6.19.1 #1)
EIP is at pipe_poll+0xa0/0xb0
eax: 00000008   ebx: 00000000   ecx: 00000008   edx: 00000000
esi: ee1b9e9c   edi: f4d80a00   ebp: ee1b9c1c   esp: ee1b9c0c
ds: 007b   es: 007b   ss: 0068
Process java (pid: 5374, ti=ee1b8000 task=f7117560 task.ti=ee1b8000)
Stack: 00000000 00000000 ee1b9e9c f6c17160 ee1b9fa4 c015d7f3 ee1b9c54 ee1b9fac
       082dff90 00000010 082dffa0 00000000 ee1b9e94 ee1b9e94 00000002 ee1b9eac
       00000000 ee1b9e94 c015e580 00000000 00000000 00000002 f6c17160 00000000
Call Trace:
 [<c015d7f3>] do_sys_poll+0x253/0x480
 [<c015da53>] sys_poll+0x33/0x50
 [<c0102c97>] syscall_call+0x7/0xb
 [<b7f26402>] 0xb7f26402
 =======================
Code: 58 01 00 00 0f 4f c2 09 c1 89 c8 83 c8 08 85 db 0f 44 c8 8b 5d f4 89 c8 
8b 75
f8 8b 7d fc 89 ec 5d c3 89 ca 8b 46 6c 83 ca 10 3b <87> 68 01 00 00 0f 45 ca 
eb b6 8d b6 00 00 00 00 55 b8 01 00 00
EIP: [<c0156f60>] pipe_poll+0xa0/0xb0 SS:ESP 0068:ee1b9c0c

-- 
Cheers,
Alistair.

Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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