linux-kernel - Re: hunt for 2.6.37 dm-crypt+ext4 corruption? (was: Re: dm-crypt barrier support is effective)

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Message-Id: <1291945065-sup-1838@think>
Date:	Thu, 09 Dec 2010 20:38:36 -0500
From:	Chris Mason <chris.mason@...cle.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Jon Nelson <jnelson@...poni.net>, "Ted Ts'o" <tytso@....edu>,
	Mike Snitzer <snitzer@...hat.com>, Matt <jackdachef@...il.com>,
	Milan Broz <mbroz@...hat.com>,
	linux-btrfs <linux-btrfs@...r.kernel.org>,
	dm-devel <dm-devel@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	htd <htd@...cy-poultry.org>, htejun <htejun@...il.com>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: hunt for 2.6.37 dm-crypt+ext4 corruption? (was: Re: dm-crypt barrier support is effective)

Excerpts from Andi Kleen's message of 2010-12-09 18:16:16 -0500:
> > 512MB.
> > 
> > 'free' reports 75MB, 419MB free.
> > 
> > I originally noticed the problem on really real hardware (thinkpad
> > T61p), however.
> 
> If you can easily reproduce it could you try a git bisect?

Do we have a known good kernel?  I looked back through the thread and
didn't see any reports where the postgres test on ext4 passed in this
config.

-chris
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