From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261673AbTJFUia (ORCPT ); Mon, 6 Oct 2003 16:38:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261299AbTJFUia (ORCPT ); Mon, 6 Oct 2003 16:38:30 -0400 Received: from main.gmane.org ([80.91.224.249]:35034 "EHLO main.gmane.org") by vger.kernel.org with ESMTP id S261673AbTJFUiY (ORCPT ); Mon, 6 Oct 2003 16:38:24 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Andreas Schwarz Subject: Re: Extremely low disk performance on K7S5A Pro Date: Mon, 6 Oct 2003 20:38:21 +0000 (UTC) Message-ID: References: <3F813E19.7020303@inet6.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@sea.gmane.org User-Agent: slrn/0.9.8.0 (Linux) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Lionel Bouton wrote: > Andreas Schwarz said the following on 10/02/2003 05:47 PM: > >>Hi, >> >>since I replaced my Abit KT7 with an Elitegroup K7S5A Pro (SIS735), I've >>got extremly low disk performance with every tested kernel version >>(2.4.20, 2.6.0-test6-mm2): >> >># hdparm -tT /dev/hda >>/dev/hda: >> Timing buffer-cache reads: 824 MB in 2.00 seconds = 411.65 MB/sec >> Timing buffered disk reads: 10 MB in 3.28 seconds = 3.05 MB/sec >> ^^^^ >> >>DMA, 32bit etc. is activated (hdparm -d1 -c3 -u1 /dev/hda): >> >> >> > > 3.05 MB is even less than what I'm used to see with most drives and *PIO > 4* ! > > Is there any ide message in /var/log/messages ? No, nothing at all. > I see you use hdparm to setup the drive/controller settings. I advise > you to let the kernel autotune the transfer modes by itself. That doesn't change anything. > Could you send us : > - the exact kernel version, 2.6.20-test6-mm2 (but 2.4.20 produces exactly the same result!) > - your kernel compilation config file, http://andreas-s.net/kernel/config.gz > - any kernel parameters provided, root=/dev/hda7 hdc=ide-scsi hdd=ide-scsi vga=792 noapic > - the content of /var/log/dmesg, http://andreas-s.net/kernel/dmesg.gz > - the output of `lspci -vvxxx`, http://andreas-s.net/kernel/lspci.gz > - the ouput of `cat /proc/ide/sis` http://andreas-s.net/kernel/sis.gz -- AVR-Tutorial, über 350 Links Forum für AVRGCC und MSPGCC -> http://www.mikrocontroller.net