From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264289AbTDWXHv (ORCPT ); Wed, 23 Apr 2003 19:07:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264294AbTDWXHu (ORCPT ); Wed, 23 Apr 2003 19:07:50 -0400 Received: from pc2-cwma1-4-cust86.swan.cable.ntl.com ([213.105.254.86]:38274 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S264289AbTDWXHu (ORCPT ); Wed, 23 Apr 2003 19:07:50 -0400 Subject: Re: problem with a cobalt RaQ550 system and DMA (Serverworks OSB4 in impossible state) From: Alan Cox To: Olivier Bornet Cc: Linux Kernel Mailing List In-Reply-To: <20030423212713.GD21689@puck.ch> References: <20030423212713.GD21689@puck.ch> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1051136469.2062.108.camel@dhcp22.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 23 Apr 2003 23:21:10 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mer, 2003-04-23 at 22:27, Olivier Bornet wrote: > I'm trying to install Debian on 4 RaQ550 with each 2 80GB disks. All > seems OK with 3 of RaQ, but with one, it crash when I put the two disks > in a RAID1 meta device. In fact, it as crash at about 6% before the 70GB > partition is fully synchronized. Bad block I think. Its a bug fixed in 2.4.21pre. It trips a sanity check for an OSB4 bug inadvertantly. 2.4.21pre handles CSB5 with full UDMA and OSB4 in MWDMA2 without tripping wrongly. If your chipset is CSB5 you can also just comment out the check and rebuild Alan