From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ondrej Zary Subject: Re: [git patches] IDE update Date: Mon, 04 Jul 2005 19:38:54 +0200 Message-ID: <42C9742E.8000204@rainbow-software.org> References: <200507041706.UAA11178@raad.intranet> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mailhub3.nextra.sk ([195.168.1.146]:34322 "EHLO mailhub3.nextra.sk") by vger.kernel.org with ESMTP id S261433AbVGDRi6 (ORCPT ); Mon, 4 Jul 2005 13:38:58 -0400 In-Reply-To: <200507041706.UAA11178@raad.intranet> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Al Boldi Cc: 'Bartlomiej Zolnierkiewicz' , 'Linus Torvalds' , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Al Boldi wrote: > 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. Something like this http://lkml.org/lkml/2005/6/13/1 ? -- Ondrej Zary