From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Stone Subject: Re: aic79xx dumping card state Date: Fri, 10 Nov 2006 10:39:31 -0500 Message-ID: <20061110153929.GG2667@mathom.us> References: <20061110004508.GF2667@mathom.us> <20061110150126.GA8222@npjaco> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Received: from vms042pub.verizon.net ([206.46.252.42]:22970 "EHLO vms042pub.verizon.net") by vger.kernel.org with ESMTP id S1161850AbWKJPjj (ORCPT ); Fri, 10 Nov 2006 10:39:39 -0500 Received: from osgiliath.mathom.us ([71.246.251.8]) by vms042.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0J8I009JXU5YNYKA@vms042.mailsrvcs.net> for linux-scsi@vger.kernel.org; Fri, 10 Nov 2006 09:39:34 -0600 (CST) In-reply-to: <20061110150126.GA8222@npjaco> Content-disposition: inline Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Jaco van der Schyff Cc: linux-scsi@vger.kernel.org On Fri, Nov 10, 2006 at 05:01:26PM +0200, Jaco van der Schyff wrote: >I had very similar problems on the aic79xx cards. What you could first >check if QAS is enabled/disabled on both devices, How do you tell that? Is it something readable from the kernel, or do I have to poke around on the devices? >and step the card down >to 160MB/s. I haven't successfully ran any aic79xx Ultra320 card at >Ultra320... > >Clock it down and it should be fine... Yikes, that's not a solution. :) I found the aic79xx=slowcrc option and enabled that, and I've been running pretty solid at 320 (~300MBps transfer rates). I'll pound on it over the weekend and see if it stays solid. Mike Stone