From mboxrd@z Thu Jan 1 00:00:00 1970 From: Albert Lee Subject: Re: [PATCH 3/3] libata-dev: pdc2027x ATAPI DMA lost irq problem workaround Date: Fri, 12 Aug 2005 16:20:05 +0800 Message-ID: <42FC5BB5.9080504@tw.ibm.com> References: <42FC4B36.9080805@tw.ibm.com> <42FC4E7B.9030503@tw.ibm.com> <42FC52A8.8070102@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from bluehawaii.tikira.net ([61.62.22.51]:39935 "EHLO bluehawaii.tikira.net") by vger.kernel.org with ESMTP id S1750705AbVHLIVi (ORCPT ); Fri, 12 Aug 2005 04:21:38 -0400 In-Reply-To: <42FC52A8.8070102@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: IDE Linux , Bartlomiej Zolnierkiewicz , Doug Maxey Jeff Garzik wrote: > Albert Lee wrote: > >> Root cause for the irq lost is unknown yet. I've tried your ATAPI >> DMA alignment >> patch, but the problem still occurs, even the buffer is aligned. I >> guess it is pdc2027x hardware problem. > > > > Note that my ATAPI DMA alignment patch was buggy, as Tejun noted... > > Tejun's updated patch is worth a try. > Thanks for the advice. Will try. Albert