linux-kernel - Re: [LOCKING] 2.6.33-rc8 btrfs vs java

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Message-Id: <201002151719.22956.edt@aei.ca>
Date:	Mon, 15 Feb 2010 17:19:22 -0500
From:	Ed Tomlinson <edt@....ca>
To:	Chris Mason <chris.mason@...cle.com>,
	"linux-kernel" <linux-kernel@...r.kernel.org>,
	linux-btrfs@...r.kernel.org
Subject: Re: [LOCKING] 2.6.33-rc8 btrfs vs java

On Monday 15 February 2010 10:56:53 Chris Mason wrote:
> On Sun, Feb 14, 2010 at 07:14:50PM -0500, Ed Tomlinson wrote:
> > Hi,
> > 
> > Found this in my log for 2.6.33-rc8.  Figgured it might be interesting since .33 is close.
> 
> The btrfs tree locking is very tricky for lockdep.  I don't quite see
> how you could hit this one without also deadlocking the machine, unless
> it is a false positive.
> 
> So, did you deadlock the machine? ;)

No.  So maybe its a false positive?

Ed
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