From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261423AbVGDRIs (ORCPT ); Mon, 4 Jul 2005 13:08:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261433AbVGDRIr (ORCPT ); Mon, 4 Jul 2005 13:08:47 -0400 Received: from [212.76.87.20] ([212.76.87.20]:64516 "EHLO raad.intranet") by vger.kernel.org with ESMTP id S261423AbVGDRGj (ORCPT ); Mon, 4 Jul 2005 13:06:39 -0400 Message-Id: <200507041706.UAA11178@raad.intranet> From: "Al Boldi" To: "'Bartlomiej Zolnierkiewicz'" Cc: "'Linus Torvalds'" , , Subject: RE: [git patches] IDE update Date: Mon, 4 Jul 2005 20:06:04 +0300 MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook, Build 11.0.5510 In-Reply-To: <58cb370e05070408417dc3c067@mail.gmail.com> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Thread-Index: AcWArlsKInyyaT8QRJmaImRU6lPw7AAC+liA Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bartlomiej Zolnierkiewicz wrote: { > On 7/4/05, Al Boldi wrote: > Hdparm -tT gives 38mb/s in 2.4.31 > Cat /dev/hda > /dev/null gives 2% user 33% sys 65% idle > > Hdparm -tT gives 28mb/s in 2.6.12 > Cat /dev/hda > /dev/null gives 2% user 25% sys 0% idle 73% IOWAIT > > It feels like DMA is not being applied properly in 2.6.12. Are earlier 2.6.x kernels okay? dmesg output? } Same on 2.6.10,11,12. No errors though, only sluggish system.