From owner-freebsd-current@FreeBSD.ORG Tue Oct 26 23:14:59 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0745416A4CE for ; Tue, 26 Oct 2004 23:14:59 +0000 (GMT) Received: from mail5.speakeasy.net (mail5.speakeasy.net [216.254.0.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id C383543D2D for ; Tue, 26 Oct 2004 23:14:58 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: (qmail 21455 invoked from network); 26 Oct 2004 23:14:54 -0000 Received: from gate.funkthat.com (HELO hydrogen.funkthat.com) ([69.17.45.168]) (envelope-sender ) by mail5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 26 Oct 2004 23:14:54 -0000 Received: from hydrogen.funkthat.com (iforgf@localhost.funkthat.com [127.0.0.1])i9QNEqlb010358; Tue, 26 Oct 2004 16:14:52 -0700 (PDT) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.12.10/8.12.10/Submit) id i9QNEnaZ010357; Tue, 26 Oct 2004 16:14:49 -0700 (PDT) Date: Tue, 26 Oct 2004 16:14:49 -0700 From: John-Mark Gurney To: fandino Message-ID: <20041026231449.GH22681@funkthat.com> Mail-Followup-To: fandino , freebsd-current@freebsd.org References: <14479.1098695558@critter.freebsd.dk> <417CD0CA.8010708@ng.fadesa.es> <20041025172324.GF22681@funkthat.com> <417E6AEF.3040307@ng.fadesa.es> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <417E6AEF.3040307@ng.fadesa.es> User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 4.2-RELEASE i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html cc: freebsd-current@freebsd.org Subject: Re: FreeBSD 5.3b7and poor ata performance X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: John-Mark Gurney List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Oct 2004 23:14:59 -0000 fandino wrote this message on Tue, Oct 26, 2004 at 17:19 +0200: > John-Mark Gurney wrote: > >Yep, and I get decent performance: > > could repeat the test setting udma mode to UDMA4? Sure, though there is only one drive in this machine, so there is no problems with channel colissions... > >dmesg clip: > >atapci0: port > >0xc000-0xc00f,0x376,0x170-0x177,0 > >x3f6,0x1f0-0x1f7 at device 7.1 on pci0 > >atapci0: Correcting VIA config for southbridge data corruption bug > > hhhmmm, my dmesg doesn't print the message for the 686B data corruption bug. > > >ata0: channel #0 on atapci0 > >ata1: channel #1 on atapci0 > >ad0: 43979MB [89355/16/63] at ata0-master > >UDMA100 > >Transfer rates: > > outside: 102400 kbytes in 2.857371 sec = 35837 > > kbytes/sec > > middle: 102400 kbytes in 3.561157 sec = 28755 > > kbytes/sec > > inside: 102400 kbytes in 5.635770 sec = 18170 > > kbytes/sec Well, looks like I get similar performance w/ UDMA4 aka UDMA66: Transfer rates: outside: 102400 kbytes in 2.828054 sec = 36209 kbytes/sec middle: 102400 kbytes in 3.506356 sec = 29204 kbytes/sec inside: 102400 kbytes in 5.641238 sec = 18152 kbytes/sec Note, I didn't reboot just before switching to UDMA4... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."