From owner-freebsd-stable Mon May 22 14:56:52 2000 Delivered-To: freebsd-stable@freebsd.org Received: from mail0.bna.bellsouth.net (mail0.bna.bellsouth.net [205.152.150.12]) by hub.freebsd.org (Postfix) with ESMTP id 4510737B52B for ; Mon, 22 May 2000 14:56:45 -0700 (PDT) (envelope-from jim@siteplus.net) Received: from discover.siteplus.net (host-209-215-9-28.cha.bellsouth.net [209.215.9.28]) by mail0.bna.bellsouth.net (3.3.5alt/0.75.2) with ESMTP id RAA28269 for ; Mon, 22 May 2000 17:56:38 -0400 (EDT) Date: Mon, 22 May 2000 17:56:37 -0400 (EDT) From: Jim Weeks To: freebsd-stable@FreeBSD.ORG Subject: Re: ad0 drivers revisited In-Reply-To: <20000522171045.A5790@pir.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 22 May 2000, Peter Radcliffe wrote: > > but there do seem to be far wider problems with the ata/ad driver for > timeouts (both read and write). I get better performance on my laptop > in PIO mode than DMA, because with PIO I don't have to wait for all > the timouts to finish to actually get me some data. How are you implementing PIO mode. After searching the archives the only method I saw mentioned was to put /sbin/sysctl -w hw.atamodes=pio,pio,pio,pio at the beginning of /etc/defaults/rc.conf or in /etc/rc.local. This did not work for me. Jim Weeks -------- A mind is a terrible thing to lose! How I miss mine.. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message