linux-kernel - Re: Kernel 2.6.30.4 loop(..?) regression (& with/2.6.31-rc6)

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Message-ID: <alpine.DEB.2.00.0909020743550.22337@p34.internal.lan>
Date:	Wed, 2 Sep 2009 07:45:36 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Christoph Hellwig <hch@...radead.org>
cc:	Nikanth Karthikesan <knikanth@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-kernel@...r.kernel.org, xfs@....sgi.com
Subject: Re: Kernel 2.6.30.4 loop(..?) regression (& with/2.6.31-rc6)



On Fri, 28 Aug 2009, Justin Piszcz wrote:
>
> On Wed, 26 Aug 2009, Justin Piszcz wrote:
>
>> On Wed, 26 Aug 2009, Christoph Hellwig wrote:
>> 
>>> On Wed, Aug 26, 2009 at 05:19:11PM -0400, Justin Piszcz wrote:

Christoph,

Now 6 days without any problems using -o nobarrier.

$ uptime
  07:43:55 up 6 days, 14:12,  1 user,  load average: 0.00, 0.00, 0.00

So -o nobarrier is a workaround for the issue.  How / what debug settings
should be enabled to catch the bug/problem when -o nobarrier is used?

Justin.
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