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

  • To: "Jean Guyader" <jean.guyader@xxxxxxxxxxxxx>
  • From: "mail mark" <mark.mmaa@xxxxxxxxx>
  • Date: Sun, 22 Jun 2008 02:36:24 +0900
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sat, 21 Jun 2008 10:36:46 -0700
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Now I am trying to make this patch works on Q35 box too, but I still don't find the code that is graphic card dependent.

Would you tell me where we should fix to make it works on Q35 box?


2008/6/14, Jean Guyader <jean.guyader@xxxxxxxxxxxxx>:
mail mark wrote:
I have two questions.

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).

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


domU configuration file:
pci = [ '03:02.0' ]   (03:02.0 is principal graphic card.)

The option is vga_passthrough with my patch.

kernel option:


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.


Jean Guyader

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