From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261788AbTE2A5u (ORCPT ); Wed, 28 May 2003 20:57:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261790AbTE2A5u (ORCPT ); Wed, 28 May 2003 20:57:50 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:58769 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S261788AbTE2A5t (ORCPT ); Wed, 28 May 2003 20:57:49 -0400 Message-ID: <3ED55E1E.90004@pobox.com> Date: Wed, 28 May 2003 21:10:54 -0400 From: Jeff Garzik Organization: none User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20021213 Debian/1.2.1-2.bunk X-Accept-Language: en MIME-Version: 1.0 To: Jason Papadopoulos CC: linux-kernel@vger.kernel.org Subject: Re: Linux 2.4.21-rc3 : IDE pb on Alpha References: <5.2.1.1.2.20030527211552.00a47190@boo.net> <20030527123152.GA24849@alpha.home.local> <5.2.1.1.2.20030526232835.00a468e0@boo.net> <20030527045302.GA545@alpha.home.local> <20030527134017.B3408@jurassic.park.msu.ru> <20030527123152.GA24849@alpha.home.local> <5.2.1.1.2.20030527211552.00a47190@boo.net> <5.2.1.1.2.20030528203353.02367ec0@boo.net> In-Reply-To: <5.2.1.1.2.20030528203353.02367ec0@boo.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jason Papadopoulos wrote: > At 11:12 PM 5/27/03 -0400, Jeff Garzik wrote: > > > >FWIW, udma2 is the best you can do without accurate cable detection and > >an 80-conductor cable. > > > > Well, even with a drive capable of ATA66, an 80-pin cable, and a kernel > configured to force assumption of higher UDMA modes, the best I've ever > done with this stupid ALI controller is udma2. I think it's deliberately > crippled. "configured to force the assumption" does no good if the host controller driver isn't detecting the cable correctly, or is not programming 80c cable info into the host controller correctly. That's a code change not a configuration thing. Jeff