Subject: Re: Apparent Deadlock with nfsd/jfs on 2.6.21.1 under bonnie.
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
To: Roger Heflin <rheflin@atipa.com>
Cc: linux-kernel@vger.kernel.org, nfs@lists.sourceforge.net
In-Reply-To: <464C68A0.2050003@atipa.com>
References: <4649BED9.6090207@atipa.com>
	 <pan.2007.05.15.22.03.07.359081@linux.vnet.ibm.com>
	 <464C68A0.2050003@atipa.com>
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Date: Thu, 17 May 2007 09:48:07 -0500
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On Thu, 2007-05-17 at 09:37 -0500, Roger Heflin wrote:
> Dave Kleikamp wrote:
> 
> > 
> > I don't have an answer to an ext3 deadlock, but this looks like a jfs
> > problem that was recently fixed in linux-2.6.22-rc1.  I had intended to
> > send it to the stable kernel after it was picked up in mainline, but
> > hadn't gotten to it yet.
> > 
> > The patch is here:
> > http://git.kernel.org/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=05ec9e26be1f668ccba4ca54d9a4966c6208c611
> > 
> 
> Dave,
> 
> That appears to have fixed the JFS hangup.
> 
> MTBF before was about 1 hour, under the same test I am over 20 hours
> and things appear to still be holding together.

Great.  The patch is queued for the 2.6.21 stable tree now.

Thanks,
Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

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