On 02/20, Rik van Riel wrote:
>
> On Sun, 17 Feb 2008 09:40:33 +0530
> Kamalesh Babulal <[EMAIL PROTECTED]> wrote:
> 
> > [   25.512919] BUG: unable to handle kernel paging request at 9d74e37b
> > [   25.514926] IP: [<c04a8fac>] proc_flush_task+0x5b/0x223
> 
> I wonder if this one is related.   Also with 2.6.25-rc2-mm1 on x86_64:
> 
> BUG: unable to handle kernel paging request at 0000000000200200
> IP: [<ffffffff81043d3c>] free_pid+0x35/0x90
> ...
> Call Trace:
>  [<ffffffff81035a6d>] ? release_task+0x1be/0x346
>  [<ffffffff810362b7>] ? do_wait+0x6c2/0xa0e
>  [<ffffffff81051316>] ? trace_hardirqs_on_caller+0xf2/0x115
>  [<ffffffff8102ac72>] ? default_wake_function+0x0/0xe
>  [<ffffffff81051316>] ? trace_hardirqs_on_caller+0xf2/0x115
>  [<ffffffff8103668d>] ? sys_wait4+0x8a/0xa1
>  [<ffffffff8100be3b>] ? system_call_after_swapgs+0x7b/0x80

Yes, please look at http://marc.info/?t=120309840500006

Btw. The bug in tty_io.c _can_ explain this trace, but it would be nice
to ensure we don't have other problems. Could you try this

        http://marc.info/?l=linux-kernel&m=120352655031911

patch?

(I can't understand why this happens at the boot time, and it is not
 reproducable on my side).

Oleg.

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