linux-kernel - Re: [dm-devel] hunt for 2.6.37 dm-crypt+ext4 corruption?

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Date:	Sun, 5 Dec 2010 08:24:32 -0500
From:	Theodore Tso <tytso@....EDU>
To:	device-mapper development <dm-devel@...hat.com>
Cc:	Heinz Diehl <htd@...tha.org>, Jon Nelson <jnelson@...poni.net>,
	htejun@...il.com, Matt <jackdachef@...il.com>,
	Mike Snitzer <snitzer@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	Chris Mason <chris.mason@...cle.com>,
	htd <htd@...cy-poultry.org>, linux-ext4@...r.kernel.org,
	linux-btrfs <linux-btrfs@...r.kernel.org>
Subject: Re: [dm-devel] hunt for 2.6.37 dm-crypt+ext4 corruption?


On Dec 5, 2010, at 5:21 AM, Milan Broz wrote:
> 
> Which kernel? 2.6.37-rc?
> 
> Anyone seen this with 2.6.36 and the same dmcrypt patch?
> (All info I had is that is is stable with here.)
> 
> It still seems to like dmcrypt with its parallel processing is just
> trigger to another bug in 37-rc.

I've been using a kernel which is between 2.6.37-rc2 and -rc3 with a LUKS / dm-crypt / LVM / ext4 setup for my primary file systems, and I haven't observed any corruption for the last two weeks or so.   It's on my todo list to upgrade to top of Linus's tree, but perhaps this is a useful data point.

As another thought, what version of GCC are people using who are having difficulty?   Could this perhaps be a compiler-related issue?

-- Ted

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