From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751911AbWAOMNG (ORCPT ); Sun, 15 Jan 2006 07:13:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751912AbWAOMNG (ORCPT ); Sun, 15 Jan 2006 07:13:06 -0500 Received: from willy.net1.nerim.net ([62.212.114.60]:51724 "EHLO willy.net1.nerim.net") by vger.kernel.org with ESMTP id S1751911AbWAOMNF (ORCPT ); Sun, 15 Jan 2006 07:13:05 -0500 Date: Sun, 15 Jan 2006 13:12:42 +0100 From: Willy Tarreau To: Chris Stromsoe Cc: Roberto Nibali , Alan Cox , Marcelo Tosatti , linux-kernel@vger.kernel.org Subject: Re: bad pmd filemap.c, oops; 2.4.30 and 2.4.32 Message-ID: <20060115121242.GA20277@w.ods.org> References: <20060105054348.GA28125@w.ods.org> <43BF8785.2010703@drugphish.ch> <43C2C482.6090904@drugphish.ch> <43C2E243.5000904@drugphish.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 15, 2006 at 03:29:15AM -0800, Chris Stromsoe wrote: > On Mon, 9 Jan 2006, Chris Stromsoe wrote: > >On Mon, 9 Jan 2006, Roberto Nibali wrote: > > > >>>That is the SCSI BIOS rev. The machine is a Dell PowerEdge 2650 and > >>>that's the onboard AIC 7899. It comes up as "BIOS Build 25309". > >> > >>Brain is engaged now, thanks ;). If you find time, could you maybe > >>compile a 2.4.32 kernel using following config (slightly changed from > >>yours): > >> > >>http://www.drugphish.ch/patches/ratz/kernel/configs/config-2.4.32-chris_s > > > >If/when the current run with DEBUG_SLAB oopses, I'll reboot with the > >config modifications. > > I've been running stable with the propsed changes since the 10th. The > original config and the currently running config are both at > . This is the diff: > > cbs@hashbrown:~ > diff config-2.4.32 config-2.4.32-20060115 > > 65c65 > < CONFIG_HIGHIO=y > --- > ># CONFIG_HIGHIO is not set I wonder if this change could be suspected of affecting stability. With this unset, data will be sent from the card to low memory, then bounced to high mem when needed. Maybe the card, northbridge or anything else sometimes corrupts memory during direct highmem I/O from PCI ? :-/ Or perhaps it's simply too early to conclude anything. Thanks for your report anyway. Regards, Willy