From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: [Xen-users] [REQUEST] Request for Xen Users to Attempt Jean David Techer's Xen 4.2-unstable VGA Passthrough Documentation Date: Sat, 31 Mar 2012 14:19:26 +0300 Message-ID: <20120331111926.GY12984@reaktio.net> References: <4F73C718.9020905@gmail.com> <4F7484C0.2060009@gmail.com> <4F74AB69.4080507@gmail.com> <4F74C205.9070104@amd.com> <4F74EA35.4030305@amd.com> <20120331104907.GV12984@reaktio.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Kristijan Le??nik Cc: "Teo En Ming (Zhang Enming)" , Wei Huang , "xen-devel@lists.xen.org" , Tobias Geiger , "xen-users@lists.xen.org" , Casey DeLorme List-Id: xen-devel@lists.xenproject.org On Sat, Mar 31, 2012 at 01:06:37PM +0200, Kristijan Le??nik wrote: > Hi, > i was looking hard to get this thing working, and i somehow manage to get > two ATI graphic card working under Windows 7 and Debian 6 DomU, > what i learn from all this trying, that the most important thing is the > motherboard! > i had i7 860 with VT-D, but it was hard to find working VT-D motherboard, > i try gigabyte P55-USB3 with beta bios from gigabyte and i got working 3D > drivers for a few minutes and then the DomU would crash, > then i wanted to try asus, but they said that P55 chipset doesnt support > VT-D functions, then i look what David uses and get a MSI motherboard and > its default bios has got VT-D to enable/disable > currenty i have: > i7 860 > MSI P55 GD85 > ATI H6670 - working 3D > ATI H5830 - working 3D > Debian 6.0, custom kernel 3.1 > Xen 4.2 unstable ( from repo 2. march? ) > Windows 7 64bit - virtual > no extra patches > but how i get it to work is strange, if i enable #gfx_passthru=1 then > virtual machine wont start > gfx_passthru=1 makes the passthru gfx card primary in the VM, so you need the additional ATI gfx passthru patch so that the VBIOS passthru works. without gfx_passthru=1 the virtual emulated gfx is primary. -- Pasi