From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266573AbUBDWCc (ORCPT ); Wed, 4 Feb 2004 17:02:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266583AbUBDWCb (ORCPT ); Wed, 4 Feb 2004 17:02:31 -0500 Received: from mion.elka.pw.edu.pl ([194.29.160.35]:19172 "EHLO mion.elka.pw.edu.pl") by vger.kernel.org with ESMTP id S266573AbUBDWC0 (ORCPT ); Wed, 4 Feb 2004 17:02:26 -0500 From: Bartlomiej Zolnierkiewicz To: Andreas Steinmetz , piotr@member.fsf.org Subject: Re: Promise PDC20269 (Ultra133 TX2) + Software RAID Date: Wed, 4 Feb 2004 23:06:54 +0100 User-Agent: KMail/1.5.3 Cc: linux-kernel@vger.kernel.org References: <6FF5C83C-55FA-11D8-AC00-000A95CEEE4E@computeraddictions.com.au> <20040204204622.GA14326@larroy.com> <4021628D.5030805@domdv.de> In-Reply-To: <4021628D.5030805@domdv.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200402042306.54046.bzolnier@elka.pw.edu.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 04 of February 2004 22:22, Andreas Steinmetz wrote: > Pedro Larroy wrote: > > On Tue, Feb 03, 2004 at 02:08:31PM +1030, Ryan Verner wrote: > >>And the machine is randomly locking up, and of course, on reboot, the > >>raid array is rebuilt. Ouch. Any clues as to why? I'm sure the hard > >>drive hasn't failed as it's brand new; I suspect a chipset > >>compatibility problem or something. > >> > >>R > > > > I have similar issues with 20269. I have two cards on one box doing sw > > raid5 on 6 ide drives. It only runs stably with 2.4.19 > > It has been many months since I assembled that box, and I've tried > > kernels from 2.4.20-ac, 2.5.x, 2.6.2 and all hang after some time > > running. > > > > I remember that pdcs also hanged a dual processor box. > > In my case (see my mail to lkml today) I do suspect concurrent disk > access and IO-APIC to be the culprit. If you're using an IO-APIC try > booting with either "noapic" or "hdx=serialize" where hdx is one of the > disks of your controller card. Try "noapic" first, "hdx=serialize" will kill you RAID performance. ---bart