From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932456AbVJDNXM (ORCPT ); Tue, 4 Oct 2005 09:23:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932431AbVJDNXM (ORCPT ); Tue, 4 Oct 2005 09:23:12 -0400 Received: from stat9.steeleye.com ([209.192.50.41]:33664 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S932454AbVJDNXL (ORCPT ); Tue, 4 Oct 2005 09:23:11 -0400 Subject: Re: Infinite interrupt loop, INTSTAT = 0 From: James Bottomley To: Olivier Galibert Cc: SCSI Mailing List , "Hack inc." In-Reply-To: <20051004084533.GA59492@dspnet.fr.eu.org> References: <20050928134514.GA19734@dspnet.fr.eu.org> <1127919909.4852.7.camel@mulgrave> <20050928160744.GA37975@dspnet.fr.eu.org> <1127924686.4852.11.camel@mulgrave> <20050928171052.GA45082@dspnet.fr.eu.org> <1127929909.4852.34.camel@mulgrave> <20050928183324.GA51793@dspnet.fr.eu.org> <1128175434.4921.9.camel@mulgrave> <20051003134210.GA10641@dspnet.fr.eu.org> <1128356144.4606.11.camel@mulgrave> <20051004084533.GA59492@dspnet.fr.eu.org> Content-Type: text/plain Date: Tue, 04 Oct 2005 09:23:01 -0400 Message-Id: <1128432181.4782.3.camel@mulgrave> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2005-10-04 at 10:45 +0200, Olivier Galibert wrote: > > But anyway, let's proceed on the theory that the array is having a hard > > time. What I need you to do is lower the speed of the array target in > > the aic bios. Unfortunately, the driver won't honour that setting at > > the moment: I'll see if I can work up the code that will do it. The > > attached patch will perform this artificially (for every device on every > > aic79xx). > > The mounts worked with your patch. I'm going to start actually using > the raid, that's going to tell us how stable it actually is. I have > no problems with doing other tests. OK, that sort of confirms the theory that there's a bad interaction at u320. What I'll try to do is to implement the bios parameter routines for the aic79xx and you can set it to u160 in the bios. Since I can't test this, would you be a guinea pig when I come up with it? James