linux-kernel - Re: 2.6.20-rc6-mm3

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Message-ID: <20070205121735.GD4487@kernel.dk>
Date:	Mon, 5 Feb 2007 13:17:35 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Christoph Lameter <clameter@....com>
Cc:	Andrew Morton <akpm@...l.org>, David Chinner <dgc@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.20-rc6-mm3

On Mon, Feb 05 2007, Jens Axboe wrote:
> On Thu, Feb 01 2007, Christoph Lameter wrote:
> > On Thu, 1 Feb 2007, Jens Axboe wrote:
> > 
> > > That looks like barriers, could you try with those disabled? Sorry for
> > > making you go through this, I can't debug and fix it myself before
> > > monday.
> > 
> > Disabling barriers + your patch works. Modified /etc/fstab and added a 
> > nobarrier option to the root filesystem. If I take your patch out then the 
> > systems hangs again.
> 
> I can't reproduce this. Can you see if this debug patch catches
> anything? You need to enable barriers again.

Nevermind, that was too aggressive. I'll come up with a better debug
patch.

-- 
Jens Axboe

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