linux-kernel - Re: reiserfs: circular locking dependency detected

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Message-ID: <20091230002449.GC5258@nowhere>
Date:	Wed, 30 Dec 2009 01:24:51 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	reiserfs-devel@...r.kernel.org, jeffm@...e.com
Subject: Re: reiserfs: circular locking dependency detected

On Thu, Dec 24, 2009 at 03:26:07AM -0800, Christian Kujau wrote:
> 
> I've seen the lockdep warning reported in 
> http://lkml.org/lkml/2009/12/22/365, but this one is slightly different 
> and is not happening on mount but when dbench is run on a freshly created 
> filesystem. Below is the lockdep warning, I've put sysrq-D/W/P/T output on 
> 
> http://nerdbynature.de/bits/2.6.33-rc1/reiserfs/
> 
> - t2 is with lockdep enabled
> - proc-fs-reiserfs.log is me trying to cat /proc/fs/reiserfs every 
>   2 seconds while dbench is running
> 
> Thanks,
> Christian.



Thanks for your report. I have a pending fix, I'll post it soon.

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