linux-kernel - Re: INFO: task mount:11202 blocked for more than 120 seconds

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Message-Id: <200803150108.04008.chunkeey@web.de>
Date:	Sat, 15 Mar 2008 01:08:03 +0100
From:	Chr <chunkeey@....de>
To:	Milan Broz <mbroz@...hat.com>
Cc:	David Chinner <dgc@....com>,
	Christian Kujau <lists@...dbynature.de>,
	LKML <linux-kernel@...r.kernel.org>, xfs@....sgi.com,
	dm-devel@...hat.com
Subject: Re: INFO: task mount:11202 blocked for more than 120 seconds

On Friday 14 March 2008 10:27:07 Milan Broz wrote:
>
> > Oh, dm-crypt. Well, I'd definitely start looking there. XFS has a
> > history of exposing dm-crypt bugs, and these hangs appear to be I/O
> > congestion/scheduling related and not XFS. Also, we haven't changed
> > anything related to plug/unplug of block devices in XFS recently, so
> > that also points to some other change as well...
>
> Yes, there is bug in dm-crypt...
> Please try if the patch here helps: http://lkml.org/lkml/2008/3/14/71
>
hmm, :-/

stuck again... (tried the patch on top of 2.6.25-rc5 and 2.6.25-rc5-git4)

SYS-RQ (several times) T+W+Q 
right here:
http://www.pastebin.ca/943145

Regards,
	Christian
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