Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754249AbZDXF3m (ORCPT ); Fri, 24 Apr 2009 01:29:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752247AbZDXF3d (ORCPT ); Fri, 24 Apr 2009 01:29:33 -0400 Received: from e28smtp08.in.ibm.com ([59.145.155.8]:54939 "EHLO e28smtp08.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752073AbZDXF3c (ORCPT ); Fri, 24 Apr 2009 01:29:32 -0400 Date: Fri, 24 Apr 2009 10:58:40 +0530 From: Balbir Singh To: Jens Axboe Cc: Steve Wise , Andrew Morton , "linux-kernel@vger.kernel.org" , Wolfram Strepp Subject: Re: [BUG] rbtree bug with mmotm 2009-04-14-17-24 Message-ID: <20090424052840.GB6867@balbir.in.ibm.com> Reply-To: balbir@linux.vnet.ibm.com References: <49EF293F.4030504@opengridcomputing.com> <49EF2C32.4030409@opengridcomputing.com> <20090422163032.GV4593@kernel.dk> <20090422163705.GW4593@kernel.dk> <49EF5F31.30408@opengridcomputing.com> <20090422183406.GA4593@kernel.dk> <49EF6929.9020600@opengridcomputing.com> <20090422192216.GE4593@kernel.dk> <49EF7B40.9050505@opengridcomputing.com> <20090423104055.GU4593@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20090423104055.GU4593@kernel.dk> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1191 Lines: 39 * Jens Axboe [2009-04-23 12:40:55]: > On Wed, Apr 22 2009, Steve Wise wrote: > > Jens Axboe wrote: > > > > > > > >>> Still crashes with this variant: > >>> > >> > >> OK, so please try and revert a36e71f996e25d6213f57951f7ae1874086ec57e > >> and see if that works? > >> > >> Or, better yet, please try and revert > >> 55a63998b8967615a15e2211ba0ff3a84a565824 first. If that doesn't work, > >> try the above revert. > >> > >> > > > > Reverting 55a63998b8967615a15e2211ba0ff3a84a565824 did the trick. > > Steve, can you (and Balbir) try with pulling this into 2.6.30-rc3: > > git://git.kernel.dk/linux-2.6-block.git for-linus > > It has two fixes for possible rbtree misuse in cfq. If it still crashes > without reverting 55a63998b8967615a15e2211ba0ff3a84a565824 with that, > then we also need to look further into the rbtree issue. > OK, I'll give it a try and get back with what I see. -- Balbir -- 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/