From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Tramnitz Subject: Re: graphics passthrough with VT-d Date: Thu, 03 Sep 2009 21:38:57 +0200 Message-ID: References: <715D42877B251141A38726ABF5CABF2C054B533D27@pdsmsx503.ccr.corp.intel.com> <715D42877B251141A38726ABF5CABF2C054B533D81@pdsmsx503.ccr.corp.intel.com> <715D42877B251141A38726ABF5CABF2C054B5B3F96@pdsmsx503.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <715D42877B251141A38726ABF5CABF2C054B5B3F96@pdsmsx503.ccr.corp.intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Yes without gfx_passthrough it was working (even the same domU with just USB devices passed through). I think it might be related to the modifications to the memory addresses you mentioned in another post. I'll verify that, recompile and retest. Best regards, Christian Han, Weidong wrote: > I didn't meet this issue. I can passthrough gfx to WinXP guest. > > Did you try the same Windows guest without gfx passthrough patches? > > Regards, > Weidong