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SubjectRe: Kernel OOPS
tmp <skrald@amossen.dk> wrote:
>
> I get the attached oops message in syslog on my 2.6.6 kernel. I have
> also attached the ksymoops output.
>
> When the oops has occured, I cannot open any shell (including a login
> shell).
>
>
>
> [oops1.txt text/plain (2452 bytes)]
> May 16 13:29:34 debian kernel: Unable to handle kernel paging request at virtual address 1841b518
> May 16 13:29:34 debian kernel: printing eip:
> May 16 13:29:34 debian kernel: c016c02e
> May 16 13:29:34 debian kernel: *pde = 00000000
> May 16 13:29:34 debian kernel: Oops: 0000 [#1]
> May 16 13:29:34 debian kernel: CPU: 0
> May 16 13:29:34 debian kernel: EIP: 0060:[proc_get_inode+110/272] Not tainted
> May 16 13:29:34 debian kernel: EFLAGS: 00010202 (2.6.6)
> May 16 13:29:34 debian kernel: EIP is at proc_get_inode+0x6e/0x110
> May 16 13:29:34 debian kernel: eax: 00000000 ebx: df107850 ecx: 0114df68 edx: 36013bf9
> May 16 13:29:34 debian kernel: esi: dffec810 edi: dffdee00 ebp: 00000007 esp: d5037e30
> May 16 13:29:34 debian kernel: ds: 007b es: 007b ss: 0068
> May 16 13:29:35 debian kernel: Process emacs (pid: 743, threadinfo=d5036000 task=d3ec8030)
> May 16 13:29:35 debian kernel: Stack: df107850 f0000000 df7f19c0 e0820ead dffec810 c5bef353 dffec863 c016e8e3
> May 16 13:29:35 debian kernel: dffdee00 f0000000 dffec810 ffffffea 00000000 dffdddd0 d5037f70 c5bef2d0
> May 16 13:29:35 debian kernel: c5bef2d0 c016c1d1 dffdddd0 c5bef2d0 d5037f70 fffffff4 dffdde38 dffdddd0
> May 16 13:29:35 debian kernel: Call Trace:
> May 16 13:29:35 debian kernel: [pg0+541367981/1069707264] unix_stream_sendmsg+0x24d/0x3a0 [unix]
> May 16 13:29:35 debian kernel: [proc_lookup+179/192] proc_lookup+0xb3/0xc0
> May 16 13:29:35 debian kernel: [proc_root_lookup+49/128] proc_root_lookup+0x31/0x80
> May 16 13:29:35 debian kernel: [real_lookup+203/240] real_lookup+0xcb/0xf0
> May 16 13:29:35 debian kernel: [do_lookup+150/176] do_lookup+0x96/0xb0
> May 16 13:29:35 debian kernel: [link_path_walk+1052/2048] link_path_walk+0x41c/0x800
> May 16 13:29:35 debian kernel: [path_lookup+105/272] path_lookup+0x69/0x110
> May 16 13:29:35 debian kernel: [open_namei+131/1024] open_namei+0x83/0x400
> May 16 13:29:35 debian kernel: [__pollwait+0/208] __pollwait+0x0/0xd0
> May 16 13:29:35 debian kernel: [filp_open+62/112] filp_open+0x3e/0x70

It's a bit strange that no registers have a value vaguely like
0x1841b518, but at a guess I'd say that you have a bad ->owner
pointer in a /proc inode.

What modules are you using, and had any modules been rmmod'ed prior
to the crash?
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