Re: [Xen-devel] [PATCH] Pass-through a graphic card

[Jean Guyader <jean.guyader@xxxxxxxxxxxxx>]

mail mark wrote:
> I have two questions.
>
> 1.
> I tried to create domU(WindowsXP-SP2) with this patch.
> The domU was created, but domU did not appear on the display.
> How do I see domU?
You should see the display on the monitor at least in VGA (4 bits colour).

> 2.
> After domU was created, I tried to kill domU(WinXP).
>
> $xm shutdown WinXP
>
> but WinXP had still existed.
>
> $xm list
> Name               ID
> Domain-0           0
> WinXP               1
>
> Why?
>
>
> domU configuration file:
> pci = [ '03:02.0' ]   (03:02.0 is principal graphic card.)
> vga_pass_through=1
The option is vga_passthrough with my patch.

> kernel option:
> pciback.hide=(03:02.0)
Mark,

The problem is right now we re-execute the native VGA bios in the guest, 
so this patch is very graphic card dependent.
Right now as far as I now it's only working fine with a intel 5400 
chipset with the embedded ATI ES 1000.
We are currently trying to make it works on a Q35 box.

Regards,

--
Jean Guyader

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