From owner-freebsd-stable@FreeBSD.ORG Thu Dec 11 08:00:27 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CE4821065678; Thu, 11 Dec 2008 08:00:27 +0000 (UTC) (envelope-from victor@bsdes.net) Received: from alf.bsdes.net (244.Red-217-126-240.staticIP.rima-tde.net [217.126.240.244]) by mx1.freebsd.org (Postfix) with ESMTP id 7A0728FC12; Thu, 11 Dec 2008 08:00:27 +0000 (UTC) (envelope-from victor@bsdes.net) Received: by alf.bsdes.net (Postfix, from userid 1001) id 8143B119CF7; Thu, 11 Dec 2008 09:00:26 +0100 (CET) Date: Thu, 11 Dec 2008 09:00:26 +0100 From: Victor Balada Diaz To: Peter Jeremy Message-ID: <20081211080026.GI1320@alf.bsdes.net> References: <20081209185236.GA1320@alf.bsdes.net> <493F84A4.1080308@yandex.ru> <20081210091107.GC1320@alf.bsdes.net> <20081210180559.GC58682@server.vk2pj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20081210180559.GC58682@server.vk2pj.dyndns.org> User-Agent: Mutt/1.4.2.3i Cc: freebsd-stable@freebsd.org, freebsd-amd64@freebsd.org, =?iso-8859-1?Q?S=F8ren?= Schmidt Subject: Re: [ATA] and re(4) stability issues X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Dec 2008 08:00:27 -0000 On Thu, Dec 11, 2008 at 05:05:59AM +1100, Peter Jeremy wrote: > On 2008-Dec-10 10:55:35 +0100, Søren Schmidt wrote: > >And you will not use 64bit DMA even if the chipset supports it. > >However I have not seen any chipsets supporting this fail, YMMV as > >usual :) > > There's a reference in wikipedia pointing to > http://www.mail-archive.com/linux-ide@vger.kernel.org/msg06694.html > that claims the AMD/ATI SB600 lies about supporting 64-bit DMA in AHCI > mode. I have a SB600 but it doesn't have >4GB to test on. I have 6 GB of RAM and can test patches, so once i'm done with the re(4) side of things i'll try commenting the code Soren's suggested and see if that improves the situation. Regards. -- La prueba más fehaciente de que existe vida inteligente en otros planetas, es que no han intentado contactar con nosotros.