From owner-freebsd-ppc@FreeBSD.ORG Sun Sep 21 19:42:05 2008 Return-Path: Delivered-To: freebsd-ppc@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9BF03106566C; Sun, 21 Sep 2008 19:42:05 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) Received: from agogare.doit.wisc.edu (agogare.doit.wisc.edu [144.92.197.211]) by mx1.freebsd.org (Postfix) with ESMTP id 709AD8FC12; Sun, 21 Sep 2008 19:42:05 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=KOI8-U; format=flowed Received: from avs-daemon.smtpauth2.wiscmail.wisc.edu by smtpauth2.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 6.3-6.03 (built Mar 14 2008; 32bit)) id <0K7K00D006M53C00@smtpauth2.wiscmail.wisc.edu>; Sun, 21 Sep 2008 13:42:05 -0500 (CDT) Received: from trantor.tachypleus.net (adsl-76-204-100-161.dsl.mdsnwi.sbcglobal.net [76.204.100.161]) by smtpauth2.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 6.3-6.03 (built Mar 14 2008; 32bit)) with ESMTPSA id <0K7K0087T6M3FD20@smtpauth2.wiscmail.wisc.edu>; Sun, 21 Sep 2008 13:42:04 -0500 (CDT) Date: Sun, 21 Sep 2008 13:46:17 -0500 From: Nathan Whitehorn In-reply-to: <48D3AD50.8070505@freebsd.org> To: Maxim Sobolev Message-id: <48D69679.1080701@freebsd.org> X-Spam-Report: AuthenticatedSender=yes, SenderIP=76.204.100.161 X-Spam-PmxInfo: Server=avs-14, Version=5.4.2.344556, Antispam-Engine: 2.6.0.325393, Antispam-Data: 2008.9.21.182511, SenderIP=76.204.100.161 References: "b9c23c9f0809100322n1659cb36oa05acf2f13f3c7e1@mail.gmail.com" <48D389EE.9000207@FreeBSD.org> <48D3AD50.8070505@freebsd.org> User-Agent: Thunderbird 2.0.0.16 (X11/20080814) Cc: freebsd-ppc@FreeBSD.org Subject: Re: Call for testers: Apple ATA DMA X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Sep 2008 19:42:05 -0000 Nathan Whitehorn wrote: > Maxim Sobolev wrote: >> Nathan, >> >> Do you have any news regarding the patch in question? I hope you did >> not give up, the lack of ATA DMA support is IMHO probably the biggest >> issue for the FreeBSD on PowerMacs now. The hardware is very >> attractive for SOHO applications, so that having this feature is >> important. > Right now, modes up to WDMA2 work. The UDMA modes cause hangs for > reasons not entirely clear. I'm investigating it, but am in the > Netherlands at the moment and it will have to wait until I get back. I now have UDMA modes working on my Shasta controller -- there was a stupid bug where I forgot to set the device to accept transfers in the selected mode. Please give this patch a test: I expect that UDMA modes now work everywhere. http://people.freebsd.org/~nwhitehorn/apple-ata-dma.patch -Nathan