From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760664Ab0JGOF1 (ORCPT ); Thu, 7 Oct 2010 10:05:27 -0400 Received: from hera.kernel.org ([140.211.167.34]:36141 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754540Ab0JGOF0 (ORCPT ); Thu, 7 Oct 2010 10:05:26 -0400 Message-ID: <4CADD3A3.5090401@kernel.org> Date: Thu, 07 Oct 2010 16:05:23 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.9) Gecko/20100915 Lightning/1.0b2 Thunderbird/3.1.4 MIME-Version: 1.0 To: Torsten Kaiser CC: lkml Subject: Re: -mm: xfs lockdep warning References: <201009161546.16909.ruirui.r.yang@tieto.com> <20100917005227.GJ24409@dastard> <20100920191355.GA28443@infradead.org> <4CA997DF.5030008@kernel.org> <20101004092107.GJ4681@dastard> <4CAB5779.5020901@kernel.org> <4CAC366E.7070609@kernel.org> <4CAC38D9.8020407@kernel.org> <4CAC934E.2030807@kernel.org> <4CACC0CD.5000001@kernel.org> <4CADAB97.4020500@kernel.org> In-Reply-To: X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Thu, 07 Oct 2010 14:05:25 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On 10/07/2010 03:21 PM, Torsten Kaiser wrote: >> Can you test whether the following patch fix the issue? > > Yes. After adding this patch to 2.6.36-rc6 it survived my testcase. It > first seems to get stuck again, but after less then a minute the > system recovered and all compiles finished successfully. > > I suspect the combination of CFLAGs, the gcc version and maybe even > changes in KOffice from 2.2.1 to 2.2.2 are import for my testcase. It > looks like at the start of the complies something is really eating an > enormous amount of memory and I did not hit such a case with earlier > kernels. It's great to hear that the patch helped but would you be able to repeat the same test w/ 2.6.35 and see whether there's any noticeable difference? Some level of stuttering is expected if the system is hit with sudden huge spike of memory pressure but let's see if it has regressed somehow. Thanks. -- tejun