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Date: Tue, 10 Jan 2006 04:42:40 -0800
From: Andrew Morton <akpm@osdl.org>
To: Reuben Farrelly <reuben-lkml@reub.net>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: 2.6.15-mm2
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Reuben Farrelly <reuben-lkml@reub.net> wrote:
>
> Ok here's the latest one, this time with KALLSYMS_ALL, CONFIG_FRAME_POINTER, 
>  CONFIG_DETECT_SOFTLOCKUP and the DEBUG_WARN_ON(current->state != TASK_RUNNING); 
>  patch from Ingo.

This is quite ugly.  I'd be suspecting a block layer problem: RAID or the
underlying device driver (ahci) has lost an IO.