From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264724AbUEPSK2 (ORCPT ); Sun, 16 May 2004 14:10:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264735AbUEPSK2 (ORCPT ); Sun, 16 May 2004 14:10:28 -0400 Received: from mail.scsiguy.com ([63.229.232.106]:61700 "EHLO aslan.scsiguy.com") by vger.kernel.org with ESMTP id S264724AbUEPSKX (ORCPT ); Sun, 16 May 2004 14:10:23 -0400 Date: Sun, 16 May 2004 12:10:12 -0600 From: "Justin T. Gibbs" Reply-To: "Justin T. Gibbs" To: Etienne Vogt , linux-kernel@vger.kernel.org Subject: Re: aic79xx trouble Message-ID: <3436150000.1084731012@aslan.btc.adaptec.com> In-Reply-To: References: <200405132125.28053.bernd.schubert@pci.uni-heidelberg.de> <200405132136.32703.bernd.schubert@pci.uni-heidelberg.de> X-Mailer: Mulberry/3.1.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > The Adaptec Ultra320 cards (aic79xx) do not work reliably on Tyan Thunder > motherboards. The U320 chips likely work a lot better now if you use driver version 2.0.12. The AMD chipsets seem to screw up split completions, and this version of the driver avoids the issue for the most common case of triggering the bug (transaction completion DMAs) by never crossing an ADB boundary with a single DMA. -- Justin