From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Beng Heng, Ng" Subject: Re: Experimental results for VGA passthrough Date: Mon, 08 Jun 2009 10:09:39 -0400 Message-ID: <4A2D1BA3.1060200@eecs.umich.edu> References: <4A27FFB0.6060108@eecs.umich.edu> <4A28120F.5060707@eecs.umich.edu> <4A2B2EEE.1090800@eecs.umich.edu> <4A2CA37B.4060206@eecs.umich.edu> <4A2D1748.8070007@eecs.umich.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4A2D1748.8070007@eecs.umich.edu> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Andrew Lyon Cc: Xen-devel List-Id: xen-devel@lists.xenproject.org Sorry, it's morning and my brain wasn't with me. I didn't mean the patch was in Xen 3.4 testing branch. I got it from the patch queue. - Beng Heng Beng Heng, Ng wrote: > The patch was mostly originally from XCI, and subsequently the Xen 3.4 > testing branch. > > Note that this does not include HID passthrough. It only demonstrates > VGA passthrough. > > Also, you need to specify the following in your DomU configuration. > vga_passthrough=1 > intel=1 > dom0_input="0" (can ignore for now, since I did not include dom0 driver) > > I've only tried it for HVM guests. But it should work for PV too. I've > got good results on Windows DomU. On Linux, there was an error that says > the guest is trying to access unintialised BAR. > > - Beng Heng >