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Date:	Mon, 02 Jul 2012 19:55:35 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Theodore Ts'o <tytso@....edu>
Cc:	Ext4 Mailing List <linux-ext4@...r.kernel.org>,
	Linux FS Maling List <linux-fsdevel@...r.kernel.org>,
	Linux Kernel Maling List <linux-kernel@...r.kernel.org>
Subject: Re: ext4 blocks up

On Mon, 2012-07-02 at 12:45 -0400, Theodore Ts'o wrote:
> On Mon, Jul 02, 2012 at 11:14:42AM -0400, Theodore Ts'o wrote:
> > On Mon, Jul 02, 2012 at 05:54:22PM +0300, Artem Bityutskiy wrote:
> > > On Mon, 2012-07-02 at 10:44 -0400, Theodore Ts'o wrote:
> > > > Can you tell me *which* xfstest this was blocking on?
> > > 
> > > Test 068 which runs fsstress.
> > 
> > Hmmm, I had just started an xfstests -g auto run using standard ext4
> > defaults with 3.5-rc2, and I'm not noting any problems.  And I've
> > gotten past test 68 w/o any problems.
> 
> I just tried again with 3.5-rc5, and I was able to reproduce your
> failure by using "check 68 68 68 68 68" (it failed after the 2nd time
> it ran the fsstress test.  What's interesting is that there have been
> no changes in fs/ext4 or fs/jbd2 since 3.5-rc2.  So this may have been
> caused by a writeback related change; I'm starting a bisect now.

OK, cool, let me know if you need help, I'll be able to help tomorrow.

-- 
Best Regards,
Artem Bityutskiy

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