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Manuel Bouyer wrote:
> On Wed, Aug 29, 2007 at 10:06:42PM +0200, Marcin Michal Jessa wrote:
>> Manuel Bouyer wrote:
>>> On Wed, Aug 29, 2007 at 09:53:28AM +0200, Marcin M. Jessa wrote:
>>>   
>>>> Hi guys
>>>>
>>>> My laptop has Intel(R) Core(TM)2 CPU  T7400  @ 2.16GHz which is a VT-capable 
>>>> processor and I was thinking of running DomU on it with NetBSD 4.0 and run 
>>>> virtual OSs from there.
>>>> So in order to access my domUs I would have to run VNC server , right ?
>>>> Or is there a more intuitive way to just switch to console running a DomU 
>>>> host ?
>>>>     
>>> No, you have to use vnc for your domU's console (or the native X11 display)
>>>   
>> Is 3D acceleration available in remote sessions?
> 
> Not that I know

See: http://www.cs.toronto.edu/~andreslc/xen-gl/

I have a test pkg nearly complete.

Also, it may be possible with XF4VNC.

> 
>> What if I had two graphics cards, could I map one DomU to use a specific
>> card
>> and display it on one screen?
> 
> Maybe, but I guess it depends on the cards. These are not "normal" PCI devices,
> as they also map some ISA-space registers to be compatible with plain VGA.
> Some can work without theses, some can't ...
> 
>> Or could I map one of the DomUs to the main gfx card after dom0 started
>> it and run X session from it?
> 
> I'm almost sure this won't work, because of the VGA registers which are
> in ISA space. If you can use a VGA card in a domU, I think is has to be
> another card than the one used by BIOS

There are some reports of the two grapics card approach working. See the 
first "Cool Configuration" in the Xen WIKI:

http://wiki.xensource.com/xenwiki/CoolConfigurations

This does depend on PCI passthrough.


-- 
John R. Shannon, CISSP
Chief Scientist
DSCI, Information Assurance Division
jshannon@dsci-usa.com
john.r.shannon@us.army.mil
shannonjr@NetBSD.org
(208)522-4506

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