From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965453AbXCMJTi (ORCPT ); Tue, 13 Mar 2007 05:19:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965607AbXCMJTi (ORCPT ); Tue, 13 Mar 2007 05:19:38 -0400 Received: from frankvm.xs4all.nl ([80.126.170.174]:58114 "EHLO janus.localdomain" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965453AbXCMJTh convert rfc822-to-8bit (ORCPT ); Tue, 13 Mar 2007 05:19:37 -0400 Date: Tue, 13 Mar 2007 10:19:36 +0100 From: Frank van Maarseveen To: Bartlomiej Zolnierkiewicz Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.20*: PATA DMA timeout, hangs (2) Message-ID: <20070313091936.GA23765@janus> References: <20070312085447.GA10955@janus> <200703121321.18299.bzolnier@gmail.com> <20070312124007.GB12265@janus> <200703122140.25682.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <200703122140.25682.bzolnier@gmail.com> User-Agent: Mutt/1.4.1i X-BotBait: val@frankvm.com, kuil@frankvm.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 12, 2007 at 09:40:25PM +0100, Bartlomiej Zolnierkiewicz wrote: > > Hi, > > On Monday 12 March 2007, Frank van Maarseveen wrote: > > On Mon, Mar 12, 2007 at 01:21:18PM +0100, Bartlomiej Zolnierkiewicz wrote: > > > > > > Hi, > > > > > > Could you check if this is the same problem as this one: > > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=8169 > > > > Looks like it except that I don't see "lost interrupt" messages here. So, > > it might be something different (I don't know). > > From the first mail: > > hda: max request size: 128KiB > hda: 40021632 sectors (20491 MB) w/2048KiB Cache, CHS=39704/16/63 > hda: cache flushes not supported >  hda: hda1 hda2 hda4 > > It seems that DMA is not used by default (CONFIG_IDEDMA_PCI_AUTO=n), > so this is probably exactly the same issue. > > Please try the patch attached to the bugzilla bug entry. 2.6.20.2 rejects this patch and I don't see a way to apply it by hand: ide_set_dma() isn't there, nothing seems to match. -- Frank