Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262082AbVAIKyi (ORCPT ); Sun, 9 Jan 2005 05:54:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262037AbVAIKyi (ORCPT ); Sun, 9 Jan 2005 05:54:38 -0500 Received: from out010pub.verizon.net ([206.46.170.133]:28638 "EHLO out010.verizon.net") by vger.kernel.org with ESMTP id S262082AbVAIKyV (ORCPT ); Sun, 9 Jan 2005 05:54:21 -0500 Date: Sun, 9 Jan 2005 05:54:18 -0500 From: Hikaru1@verizon.net To: axboe@suse.de, linux-kernel@vger.kernel.org Subject: Re: PROBLEM: ide-cd in 2.6.8-2.6.10 and 2.4.26-2.4.28 high cpu use with dma Message-ID: <20050109105418.GD12497@roll> References: <20050109105201.GB12497@roll> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="gBBFr7Ir9EOA20Yy" Content-Disposition: inline In-Reply-To: <20050109105201.GB12497@roll> User-Agent: Mutt/1.4.2.1i X-Authentication-Info: Submitted using SMTP AUTH at out010.verizon.net from [70.19.162.94] at Sun, 9 Jan 2005 04:54:19 -0600 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1127 Lines: 34 --gBBFr7Ir9EOA20Yy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Whoops! Forgot to include the patch. Sorry. Timothy Charles McGrath --gBBFr7Ir9EOA20Yy Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="ide-cdfix.pat" diff -ur linux-2.6.10-orig/drivers/ide/ide-cd.c linux-2.6.10/drivers/ide/ide-cd.c --- linux-2.6.10-orig/drivers/ide/ide-cd.c 2004-12-24 16:34:33.000000000 -0500 +++ linux-2.6.10/drivers/ide/ide-cd.c 2005-01-07 07:49:43.000000000 -0500 @@ -3151,7 +3151,7 @@ int nslots; blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn); - blk_queue_dma_alignment(drive->queue, 31); + blk_queue_dma_alignment(drive->queue, 3); drive->queue->unplug_delay = (1 * HZ) / 1000; if (!drive->queue->unplug_delay) drive->queue->unplug_delay = 1; Only in linux-2.6.10/drivers/ide: ide-cd.c~ --gBBFr7Ir9EOA20Yy-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/