Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756585AbYCTOyf (ORCPT ); Thu, 20 Mar 2008 10:54:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754362AbYCTOy0 (ORCPT ); Thu, 20 Mar 2008 10:54:26 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:41232 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751750AbYCTOyZ (ORCPT ); Thu, 20 Mar 2008 10:54:25 -0400 From: kamezawa.hiroyu@jp.fujitsu.com Message-ID: <2518745.1206024774536.kamezawa.hiroyu@jp.fujitsu.com> Date: Thu, 20 Mar 2008 23:52:54 +0900 (JST) To: KOSAKI Motohiro Subject: Re: Re: [BUG?] 2.6.25-rc[23]-mm1 cgroup list corruption under load with VM Scalability patches Cc: Lee Schermerhorn , Paul Menage , linux-kernel , Andrew Morton , Rik van Riel , KAMEZAWA Hiroyuki In-Reply-To: <2f11576a0803200058k4ee85bf1se6abe272c496c39d@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: @nifty Webmail 2.0 References: <2f11576a0803200058k4ee85bf1se6abe272c496c39d@mail.gmail.com> <1204745828.6244.31.camel@localhost> <6599ad830803051309g22d5b746ta30c4f28a394572c@mail.gmail.com> <1205863811.5032.26.camel@localhost> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1362 Lines: 37 >> > > list_del corruption in cgroup_exit() on 16 cpu, 32GB ia64 NUMA platfor m. >> > > >> > > I've been seeing this for a while now, but we've had known problems >> > > [page leaks, ...] with the VM scalability series. Now the system >> > > appears to be running very well with these patches under stress loads >> > > that would hang it or cause OOM kill of tests with plenty of swap spa ce >> > > left. Eventually, [after 40-45 minutes], I hit a list corruption in >> > > cgroup_exit(). >> > > >> > > I can't say for sure that our patches aren't causing this, but I've b een >> > > unable to keep the system up long enough under the stress load w/o th e >> > > splitlru+noreclaim patches to hit the problem. > >sorry for late responce, I don't notice this thread. >fujitsu guys investigated that problem too. > >AFAIK this problem already fixed KAMEZAWA-san. >but I don't know that patch merged -mm or not. > >kamezawa-san, please let us know its status? *tons* of fixes by Hugh Dickins is merged now, could you update your base kernel ? (or set config to N in older kernel) Thanks -Kame -- 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/