From: Kasper Sandberg <lkml@metanurb.dk>
To: Christoph Maier <lists@christoph-maier.de>
Cc: jckn@gmx.net, linux-kernel@vger.kernel.org
Subject: Re: race condition in dm-crypt?
Date: Sat, 24 Mar 2007 21:27:23 +0100 [thread overview]
Message-ID: <1174768043.13793.3.camel@localhost> (raw)
In-Reply-To: <46043B77.60703@christoph-maier.de>
On Fri, 2007-03-23 at 21:41 +0100, Christoph Maier wrote:
> Jan C. Nordholz wrote:
> > I think I'm experiencing a race condition: Irregularly my kernel runs
> > into an Oops when it tries to initialize my crypt containers.
>
> FYI, there are similiar reports on the net, going as far back as May 2006:
> http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/1636
> is the oldest one I could find.
>
> Bugzilla entry: http://bugzilla.kernel.org/show_bug.cgi?id=7388
>
> I, too, ran into the bug and failed to reproduce it. However, it might
> be worth knowing that the system went to 100% iowait afterwards.
Very interresting actually. I myself run dm-crypt and somewhat regularly
my io stops for 5-10 seconds, with seemingly no errors or high load, io
just stalls, and then returns after a while.
>
> Regards, Christoph Maier
>
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prev parent reply other threads:[~2007-03-24 20:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-23 17:05 race condition in dm-crypt? Jan C. Nordholz
2007-03-23 17:42 ` markus reichelt
2007-03-26 16:11 ` Alasdair G Kergon
2007-03-23 20:41 ` Christoph Maier
2007-03-24 20:27 ` Kasper Sandberg [this message]
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