Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264047AbUDNLkC (ORCPT ); Wed, 14 Apr 2004 07:40:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264055AbUDNLkB (ORCPT ); Wed, 14 Apr 2004 07:40:01 -0400 Received: from village.ehouse.ru ([193.111.92.18]:47120 "EHLO mail.ehouse.ru") by vger.kernel.org with ESMTP id S264052AbUDNLjz (ORCPT ); Wed, 14 Apr 2004 07:39:55 -0400 From: "Alexander Y. Fomichev" Reply-To: "Alexander Y. Fomichev" To: admin@list.net.ru Subject: Re: 2.6.5-aa3: kernel BUG at mm/objrmap.c:137! Date: Wed, 14 Apr 2004 15:39:49 +0400 User-Agent: KMail/1.6.1 Cc: Andrea Arcangeli , linux-kernel@vger.kernel.org References: <200404141257.16731.gluk@php4.ru> <20040414095435.GH2150@dualathlon.random> In-Reply-To: <20040414095435.GH2150@dualathlon.random> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200404141539.49757.gluk@php4.ru> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1550 Lines: 36 On Wednesday 14 April 2004 13:54, Andrea Arcangeli wrote: > On Wed, Apr 14, 2004 at 12:57:16PM +0400, Alexander Y. Fomichev wrote: > > G'Day, > > > > I've got a bug on 2.6.5-aa3 today > > > > System: Dual P4 Xeon 2.4GHz, 4G ECC RAM - (production web-server) pretty btw, i was wrong, this box has only 2G ECC RAM not 4. > > heavy loaded at most time, but i've got it approximately > > at 02:00 (MSD) when no serious load should be. > > System remained accessible all the time but operations > > with proclist from userspace (i.e. ps, w) appears to be locked. > > I don't think apache2 uses nonlinear. there was an smp race fix in > 2.6.5-aa4, so you may want to try again with 2.6.5-aa5 (latest) just in > case this was mm corruption triggered by the race. tnx, i'll try it. btw, system running on 2.6.5-aa3 almost for a month (at 2004/04/18) and this is first time i catch this, so 2.6.5-aa3 pretty stable for me. (except for trouble mentioned by Sergey Kostyliov as "2.6.X kernel memory leak?"/"2.6.1 IO lockup on SMP systems") > Are you using threading with apache2? Such a race could trigger only > with threads. exactly right, apache2 compiled --with-mpm=worker. -- Best regards. Alexander Y. Fomichev Public PGP key: http://sysadminday.org.ru/gluk.asc - 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/