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Date: Mon, 15 Jan 2007 08:17:47 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: Andrew Morton <akpm@osdl.org>, Neil Brown <neilb@cse.unsw.edu.au>,
       LKML <linux-kernel@vger.kernel.org>,
       Thomas Gleixner <tglx@linutronix.de>,
       Jens Axboe <jens.axboe@oracle.com>
Subject: Re: 2.6.20-rc4-mm1 md problem
Message-ID: <20070115071747.GA31267@elte.hu>
References: <6bffcb0e0701120533o609489den9ca02f42e4d4839@mail.gmail.com>
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* Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:

> My system hangs on this
> http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rc4-mm1/bug2.jpg
> http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rc4-mm1/mm-config
> 
> Debug plan:
> - revert md-* patches
> - binary search
> 
> Does someone have a better idea?

Thomas saw something similar yesterday and he the partial results that 
git.block (between rc2-mm1 and rc4-mm1) breaks certain disk drivers or 
filesystems drivers. For me it worked fine, so it must be only on some 
combinations. The changes to ll_rw_block.c look quite extensive.

	Ingo
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