linux-kernel - Re: race condition in dm-crypt?

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Message-ID: <20070326161146.GA3535@agk.fab.redhat.com>
Date:	Mon, 26 Mar 2007 17:11:46 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	dm-crypt@...ut.de
Subject: Re: race condition in dm-crypt?

On Fri, Mar 23, 2007 at 06:42:14PM +0100, markus reichelt wrote:
> * "Jan C. Nordholz" <jckn@....net> wrote:
> > I'm seeing this for quite a while now (since 2.6.16 at least), but
> > without any obvious indicator to what might be causing it... where
> > should I continue debugging this?
> I bet folks at dm-crypt@...ut.de would love to hear about this.
 
As mentioned in another thread, please try these patches if they aren't already
in your kernel:

  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/2.6.19/dm-io-fix-bi_max_vecs.patch                                                                                       

  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-merge-max_hw_sector.patch            

  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-crypt-disable-barriers.patch

  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-crypt-fix-call-to-clone_init.patch
  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-crypt-fix-avoid-cloned-bio-ref-after-free.patch
  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-crypt-fix-remove-first_clone.patch
  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-crypt-use-smaller-bvecs-in-clones.patch

Alasdair
-- 
agk@...hat.com
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