From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: http://bugzilla.kernel.org/show_bug.cgi?id=11742 Date: Mon, 27 Oct 2008 20:46:18 +0100 Message-ID: <200810272046.19155.bzolnier@gmail.com> References: <20081020112039W.fujita.tomonori@lab.ntt.co.jp> <200810262101.42874.valerio.passini@unicam.it> <20081027061556.GA17928@gollum.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from gv-out-0910.google.com ([216.239.58.189]:27191 "EHLO gv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754387AbYJ0Tv3 (ORCPT ); Mon, 27 Oct 2008 15:51:29 -0400 Received: by gv-out-0910.google.com with SMTP id e6so300362gvc.37 for ; Mon, 27 Oct 2008 12:51:26 -0700 (PDT) In-Reply-To: <20081027061556.GA17928@gollum.tnic> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: petkovbb@gmail.com Cc: Valerio Passini , valerio.p@libero.it, FUJITA Tomonori , linux-ide@vger.kernel.org On Monday 27 October 2008, Borislav Petkov wrote: > On Sun, Oct 26, 2008 at 09:01:42PM +0100, Valerio Passini wrote: > > [.. ] > > > Here I am, thus the patched kernel has been installed and tested. > > Burning CD's and simulation work perfectly and everything seems fine. > > :) > > Well, nice to hear :). Thanks for your debugging effort and patience. > > Bart, please apply. > > --- > From: Borislav Petkov > Date: Mon, 27 Oct 2008 06:59:14 +0100 > Subject: [PATCH] ide-cd: fix dma alignment regression > > e5318b531b008c79d2a0c0df06a7b8628da38e2f introduced a regression which > caused some ATAPI drives to turn off dma for REQ_TYPE_ATA_PC commands I believe you meant REQ_TYPE_BLOCK_PC here. > while burning and thus degrating performance and ultimately causing an > excessive amount of underruns. The issue is documented also in > http://bugzilla.kernel.org/show_bug.cgi?id=11742. > > Signed-off-by: Borislav Petkov > CC: FUJITA Tomonori > Tested-by: Valerio Passini applied (with patch description fixups suggested by Sergei)