From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 3 Jun 2001 18:56:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 3 Jun 2001 18:56:36 -0400 Received: from cmailg1.svr.pol.co.uk ([195.92.195.171]:49728 "EHLO cmailg1.svr.pol.co.uk") by vger.kernel.org with ESMTP id ; Sun, 3 Jun 2001 18:10:27 -0400 Message-ID: <3B1AB5BA.8060805@humboldt.co.uk> Date: Sun, 03 Jun 2001 23:10:02 +0100 From: Adrian Cox User-Agent: Mozilla/5.0 (X11; U; Linux 2.4.5 i686; en-US; rv:0.8.1+) Gecko/20010502 X-Accept-Language: en MIME-Version: 1.0 To: Marc Lehmann CC: Jeff Garzik , Axel Thimm , Linux Kernel Mailing List , Au-Ja , Yiping Chen , support@msi.com.tw, info@msi-computer.de, support@via-cyrix.de, John R Lenton Subject: Re: VIA's Southbridge bug: Latest (pseudo-)patch In-Reply-To: <20010519110721.A1415@pua.nirvana> <20010601171848.F467@cerebro.laendle> <3B17B4B0.9A805766@mandrakesoft.com> <20010601221637.B13797@cerebro.laendle> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Marc Lehmann wrote: > Aren't PCI delayed transaction supposed to be handled by the pci master > (e.g. my northbridge), not by the (software) driver for my pdc(?) I would > also be surprised if my pdc actually used that feature, not to speak of > the fact that the promise + harddisk worked fine in another computer (the > data corruption was easily detectable, one couldn't even write 500megs > without altered bytes). Wrong way round. You're right that the pci master is supposed to handle delayed transactions, but during data transfer the pdc is the pci master and the northbridge is the PCI target. -- Adrian Cox http://www.humboldt.co.uk/