From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ed Tomlinson Subject: Re: [LOCKING] 2.6.33-rc8 btrfs vs java Date: Mon, 15 Feb 2010 17:19:22 -0500 Message-ID: <201002151719.22956.edt@aei.ca> References: <201002141914.50955.edt@aei.ca> <20100215155653.GC11057@think> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" To: Chris Mason , "linux-kernel" , linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <20100215155653.GC11057@think> List-ID: 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