From owner-freebsd-hackers@FreeBSD.ORG Sun Sep 14 23:03:34 2003 Return-Path: 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 4187316A4BF for ; Sun, 14 Sep 2003 23:03:34 -0700 (PDT) Received: from cfcl.com (cpe-24-221-172-174.ca.sprintbbd.net [24.221.172.174]) by mx1.FreeBSD.org (Postfix) with ESMTP id 81BEF43FAF for ; Sun, 14 Sep 2003 23:03:33 -0700 (PDT) (envelope-from rdm@cfcl.com) Received: from [192.168.254.205] ([192.168.254.205]) by cfcl.com (8.12.6/8.11.1) with ESMTP id h8F6DOj6052008 for ; Sun, 14 Sep 2003 23:13:25 -0700 (PDT) (envelope-from rdm@cfcl.com) Mime-Version: 1.0 Message-Id: In-Reply-To: References: X-Mailer: Eudora for Macintosh! Date: Sun, 14 Sep 2003 23:03:29 -0700 To: freebsd-hackers@freebsd.org From: Rich Morin Content-Type: text/plain; charset="us-ascii" ; format="flowed" 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Sep 2003 06:03:34 -0000 With FreeBSD 4.9 on the horizon, I thought I might bring this up again... At 10:01 AM -0700 6/17/03, 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. -- email: rdm@cfcl.com; phone: +1 650-873-7841 http://www.cfcl.com - Canta Forda Computer Laboratory http://www.cfcl.com/Meta - The FreeBSD Browser, Meta Project, etc. http://www.ptf.com/dossier - Prime Time Freeware's DOSSIER series