From owner-freebsd-stable Wed Jan 2 21:24:37 2002 Delivered-To: freebsd-stable@freebsd.org Received: from leviathan.inethouston.net (leviathan.inethouston.net [66.64.12.249]) by hub.freebsd.org (Postfix) with ESMTP id 2E4F537B41C for ; Wed, 2 Jan 2002 21:24:35 -0800 (PST) Received: by leviathan.inethouston.net (Postfix, from userid 1001) id A4841319A27; Wed, 2 Jan 2002 23:24:37 -0600 (CST) Date: Wed, 2 Jan 2002 23:24:37 -0600 From: "David W. Chapman Jr." To: ian j hart Cc: Doug White , Thilo Mezger , stable@freebsd.org Subject: Re: RELENG_4_4: PIIX busmastering DMA not supported Message-ID: <20020103052437.GA30926@leviathan.inethouston.net> Reply-To: "David W. Chapman Jr." Mail-Followup-To: ian j hart , Doug White , Thilo Mezger , stable@freebsd.org References: <3C33C475.B9A1F18@ntlworld.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3C33C475.B9A1F18@ntlworld.com> User-Agent: Mutt/1.3.24i X-Operating-System: FreeBSD 4.5-PRERELEASE i386 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Jan 03, 2002 at 02:39:49AM +0000, ian j hart wrote: > Doug White wrote: > > > > On Wed, 2 Jan 2002, Thilo Mezger wrote: > > > > > I was wondering if somebody could explain to me why busmastering DMA > > > is not supported in my setup (RELENG_4_4): > > > > > > # dmesg | grep ata > > > atapci0: port 0xfcf0-0xfcff at device 1.1 on pci0 > > > atapci0: Busmastering DMA not supported > > > > According to the code, your controller does not claim to support DMA. The > > original PIIX probably didn't support it, thinking about it... > > > > Check your BIOS settings and verify that you didn't disable DMA at some > > point in the past. > > > > Doug White | FreeBSD: The Power to Serve > > dwhite@resnet.uoregon.edu | www.FreeBSD.org > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-stable" in the body of the message > > This should be the 430 FX (triton) chipset which > claims to support WDMA2. IIRC these could be a bit flakey, > unlike the HX (triton II), which actually works ;) > I've had a lot of problems when I used to use the i430 FX chips, but unrelated to this. -- David W. Chapman Jr. dwcjr@inethouston.net Raintree Network Services, Inc. dwcjr@freebsd.org FreeBSD Committer To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message