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Date: Fri, 30 Sep 2011 05:58:36 -0400 (EDT)
From: Justin Piszcz <jpiszcz@lucidpixels.com>
To: Harald Dunkel <harri@afaics.de>
cc: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: rcu_sched_state detected stall on CPU 6
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On Fri, 30 Sep 2011, Harald Dunkel wrote:

> Hi folks,
>

This is a known bug, upgrade to 3.1-rc8 and your problem should go away, I 
had the same problem with 3.0.4 (amd64)

kern.log:Sep 11 18:11:43 p34 kernel: [26902.879347] INFO: rcu_sched_state 
detected stall on CPU 20 (t=60000 jiffies)

Justin.