From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753495AbYJUKs7 (ORCPT ); Tue, 21 Oct 2008 06:48:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752584AbYJUKsu (ORCPT ); Tue, 21 Oct 2008 06:48:50 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:49454 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752555AbYJUKst (ORCPT ); Tue, 21 Oct 2008 06:48:49 -0400 Message-ID: <48FDB38C.4000203@cn.fujitsu.com> Date: Tue, 21 Oct 2008 18:48:44 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: balbir@linux.vnet.ibm.com CC: Ingo Molnar , KAMEZAWA Hiroyuki , Andrew Morton , linux-kernel@vger.kernel.org, Linus Torvalds , Daisuke Nishimura , Rik van Riel , Hiroshi Shimamoto , lee.schermerhorn@hp.com Subject: Re: [crash, -git] NULL pointer dereference, IP: [] page_cgroup_zoneinfo+0xf/0x1b References: <20081021100935.GA7100@elte.hu> <20081021192143.67361afc.kamezawa.hiroyu@jp.fujitsu.com> <20081021103843.GA18150@elte.hu> <48FDB23D.6080603@linux.vnet.ibm.com> In-Reply-To: <48FDB23D.6080603@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> nr of bisection commits: 14 >> ---------------------------- >> 656eb2c: add CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS >> 6409324: coredump: format_corename: don't append .%pid if multi-threaded >> b747c8c: make ptrace_untrace() static >> c459643: bitmask: remove bitmap_scnprintf_len() >> 30e8e13: cpuset: use seq_*mask_* to print masks >> 3eda201: seq_file: add seq_cpumask_list(), seq_nodemask_list() >> 85dd030: seq_file: don't call bitmap_scnprintf_len() >> 40b6a76: cpuset.c: remove extra variable >> 52d4b9a: memcg: allocate all page_cgroup at boot The bug should be introduced by this patch. >> c05555b: memcg: atomic ops for page_cgroup->flags >> addb9ef: memcg: optimize per-cpu statistics >> 5b4e655: memcg: avoid accounting special pages >> b7abea9: memcg: make page->mapping NULL before uncharge >> 073e587: memcg: move charge swapin under lock >> >> i'll poke in the middle - maybe i'm lucky and can find a >> working/crashing tree to nudge the bisection back into life. > > Hi, Ingo, > > Li Zefan has reported this problem and Kamezawa is looking into it. Yes, but seems a bit tough... > I am unwell, > I hope to look into the problem when I feel better or at-least in the intervals > of time that I feel better. >