Re: [Xen-users] Xen second VGA passthrough

["Marek Kaszycki" <marek@xxxxxxxxxxx>]

To answer the question, Xen >= 4.0.0 supports secondary VGA passthrough:
Xen 4.0.0 supports VGA passthrough of the primary graphics adapter (the  
one that gets initialized and is used when you power-on the computer)  
only. VGA passthrough of secondary graphics adapters currently requires  
additional extra patches to Xen.
So far I've been unable to find those extra patches (mainly because I have  
just one graphics board in the PC), but it's possible.
This does raise one question for me, though... I know this seems rather  
far-fetched, but is it possible to pass a secondary output port to DomU,  
while using a primary output port in Dom0? My 5850 has four outputs,  
2×DVI, 1 HDMI and 1 DP.
This goes further -- would it be possible to use a KVM switch to route the  
keyboard, mouse and DVI to separate I/O ports? I know the idea sounds  
wild, but it would enable live switching between domains -- map two USB  
ports and one video output to Dom0 and two other USB ports and another  
video output to DomU?
Regards,
Marek


Dnia 20-03-2011 o 19:41:48 Baoning He <amyd99@xxxxxxxxx> napisał(a):

> Hi Guys,
>
> Sorry to disturb you, I'm a newbie of xen lists.
>
> Does anybody can tell me whether Xen >= 4.0.1 support second vga
> passthrough or not.
> I had searched in lists and google, no explicit answer found.
>
> Thanks
> Bob
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