From owner-freebsd-hackers@FreeBSD.ORG  Tue Jun 17 10:04:03 2003
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 12F3D37B407
	for <freebsd-hackers@FreeBSD.ORG>;
	Tue, 17 Jun 2003 10:04:03 -0700 (PDT)
Received: from spider.deepcore.dk
	(cpe.atm2-0-56339.0x50c6aa0a.abnxx2.customer.tele.dk [80.198.170.10])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4F0A043F75
	for <freebsd-hackers@FreeBSD.ORG>;
	Tue, 17 Jun 2003 10:03:57 -0700 (PDT)
	(envelope-from sos@spider.deepcore.dk)
Received: (from sos@localhost)
	by spider.deepcore.dk (8.12.8p1/8.12.8) id h5HH3U2l012237;
	Tue, 17 Jun 2003 19:03:30 +0200 (CEST)
	(envelope-from sos)
From: Soeren Schmidt <sos@spider.deepcore.dk>
Message-Id: <200306171703.h5HH3U2l012237@spider.deepcore.dk>
In-Reply-To: <p05200f20bb14f7371af0@[192.168.254.205]>
To: Rich Morin <rdm@cfcl.com>
Date: Tue, 17 Jun 2003 19:03:25 +0200 (CEST)
X-Mailer: ELM [version 2.4ME+ PL98b (25)]
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset=ISO-8859-1
cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: prospects for DMA support for SiS962(L) Southbridge?
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 17 Jun 2003 17:04:03 -0000

It seems Rich Morin wrote:
> I recently upgraded my motherboard and CPU, as:
> 
>    478 pin Celeron; 2.1 GHz
>    512 MB DDR DIMM (2 ea.)
>    SiS962(L) Southbridge
> 
> I then found that I couldn't boot the (FreeBSD 4.7) system, getting:
> 
>    ad0: READ command timeout tag=0 serv=0 resetting
>    ata0: resetting devices
> 
> After a bunch of Googling and some discussions on freebsd-questions,
> I decided to change line 90 of /usr/src/sys/dev/ataata-disk.c to:
> 
>      static int ata_dma = 0;
> 
> This works, but I suspect that it is slowing down my disk I/O quite a
> bit.  So, I would like to know the prospects for this controller being
> supported in FreeBSD any time soon.

It is supported in 5.1.

-Søren