From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262319AbVBQSp3 (ORCPT ); Thu, 17 Feb 2005 13:45:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262324AbVBQSp3 (ORCPT ); Thu, 17 Feb 2005 13:45:29 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:60843 "EHLO parcelfarce.linux.theplanet.co.uk") by vger.kernel.org with ESMTP id S262319AbVBQSpV (ORCPT ); Thu, 17 Feb 2005 13:45:21 -0500 Message-ID: <4214E633.7010705@pobox.com> Date: Thu, 17 Feb 2005 13:45:07 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Witold Krecicki CC: linux-kernel@vger.kernel.org Subject: Re: sil_blacklist - are all those entries necessary? References: <200502151706.04846.adasi@kernel.pl> <200502170143.00817.adasi@kernel.pl> <4213EC86.9020108@pobox.com> <200502170205.48200.adasi@kernel.pl> In-Reply-To: <200502170205.48200.adasi@kernel.pl> Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Witold Krecicki wrote: > Dnia czwartek 17 luty 2005 01:59, napisałeś: > >>>is there ANY way to test if this hack is necessary for specific model of >>>a disk? >> >>You need a bus analyzer, and need to test different sizes of FIS's. If >>all possible sizes (2048 combinations) work on your device, the >>blacklist entry is not needed. > > is there any software bus analyzer? And if so, is there > Testing-different-sizes-of-FIS's-for-dummies anywhere ? You could modify a few drivers to receive an "unknown FIS", or receive all FIS's into a DMA-able area that the system could then read. So it's doable. I just don't have time to teach all of SATA and ATA to you :) See http://linux.yyz.us/sata/devel.html Jeff