Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760105AbZDWVYo (ORCPT ); Thu, 23 Apr 2009 17:24:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756692AbZDWVYg (ORCPT ); Thu, 23 Apr 2009 17:24:36 -0400 Received: from smtp.opengridcomputing.com ([209.198.142.2]:56550 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755777AbZDWVYf (ORCPT ); Thu, 23 Apr 2009 17:24:35 -0400 Message-ID: <49F0DC95.8010807@opengridcomputing.com> Date: Thu, 23 Apr 2009 16:24:37 -0500 From: Steve Wise User-Agent: Thunderbird 2.0.0.21 (X11/20090318) MIME-Version: 1.0 To: Jens Axboe CC: balbir@linux.vnet.ibm.com, Andrew Morton , "linux-kernel@vger.kernel.org" , Wolfram Strepp Subject: Re: [BUG] rbtree bug with mmotm 2009-04-14-17-24 References: <49EF2882.1020306@opengridcomputing.com> <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> In-Reply-To: <20090423104055.GU4593@kernel.dk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1189 Lines: 43 Jens Axboe wrote: > 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. > rc3 + your commits in the above branch seem to resolve the issue as well. Steve. -- 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/