Kristijan Lečnik

On Sat, Mar 31, 2012 at 1:19 PM, Pasi Kärkkäinen <pasik@iki.fi> wrote:

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