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

["Neo Jia" <neojia@xxxxxxxxx>]

On Fri, Jun 13, 2008 at 8:25 AM, Jean Guyader
<jean.guyader@xxxxxxxxxxxxx> wrote:
> 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.

Does the ATI driver work?

Thanks,
Neo

>
> We are currently trying to make it works on a Q35 box.
>
> Regards,
>
> --
> Jean Guyader
>
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>



-- 
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

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