Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755988Ab0BOP6M (ORCPT ); Mon, 15 Feb 2010 10:58:12 -0500 Received: from rcsinet12.oracle.com ([148.87.113.124]:28586 "EHLO rcsinet12.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755926Ab0BOP6K (ORCPT ); Mon, 15 Feb 2010 10:58:10 -0500 Date: Mon, 15 Feb 2010 10:56:53 -0500 From: Chris Mason To: Ed Tomlinson Cc: linux-kernel , linux-btrfs@vger.kernel.org Subject: Re: [LOCKING] 2.6.33-rc8 btrfs vs java Message-ID: <20100215155653.GC11057@think> Mail-Followup-To: Chris Mason , Ed Tomlinson , linux-kernel , linux-btrfs@vger.kernel.org References: <201002141914.50955.edt@aei.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201002141914.50955.edt@aei.ca> User-Agent: Mutt/1.5.20 (2009-06-14) X-Source-IP: acsmt353.oracle.com [141.146.40.153] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090204.4B796F02.0170:SCFMA4539814,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 622 Lines: 17 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? ;) -chris -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/