From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: [git patches] IDE update Date: Mon, 4 Jul 2005 21:51:45 +0200 Message-ID: <58cb370e0507041251dd5a@mail.gmail.com> References: <200507041706.UAA11178@raad.intranet> <42C9742E.8000204@rainbow-software.org> Reply-To: Bartlomiej Zolnierkiewicz Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from nproxy.gmail.com ([64.233.182.200]:56164 "EHLO nproxy.gmail.com") by vger.kernel.org with ESMTP id S261613AbVGDTvy convert rfc822-to-8bit (ORCPT ); Mon, 4 Jul 2005 15:51:54 -0400 Received: by nproxy.gmail.com with SMTP id n15so179677nfc for ; Mon, 04 Jul 2005 12:51:46 -0700 (PDT) In-Reply-To: <42C9742E.8000204@rainbow-software.org> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Ondrej Zary Cc: Al Boldi , Linus Torvalds , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org On 7/4/05, Ondrej Zary wrote: > 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. What about earlier kernels? Please try to narrow down the problem to a specific kernel version. > Something like this http://lkml.org/lkml/2005/6/13/1 ? It doesn't seem like IDE regression but... Bartlomiej