linux-ext4 - ext4 hung tasks in linux-stable 3.0.41

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Date:	Fri, 31 Aug 2012 09:43:37 +0200
From:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
To:	stable@...r.kernel.org
CC:	Greg KH <gregkh@...uxfoundation.org>, Theodore Tso <tytso@....EDU>,
	adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org
Subject: ext4 hung tasks in linux-stable 3.0.41

Dear list,
    dear ext4 maintainers,

i'm expected every night a hang of my rsync backup process, doing a 
backup to an ext4 filesystem. Always throwing Call traces.

The hung task messages are really long so i posted it to pastebin:
http://pastebin.com/raw.php?i=9v7HEvjA

Used kernel: vanilla 3.0.41

Is this problem known? Or is there a fix for 3.0.X available?

Greets,
Stefan
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