hybrid-graphics-linux team mailing list archive

[Eric Appleman <erappleman@xxxxxxxxx>]

On 09/26/2011 07:30 PM, Josef wells wrote:
> I'm wondering if anyone with Optimus or PowerXpress has tried to do 
> some device virtualization as described here:
>
> http://wiki.xensource.com/xenwiki/XenVGAPassthrough
>
> This requires an intel core i5/i7 (some first gen and all sandybridge) 
> a laptop bios that supports Vt-d, and dual graphics.
>
> You would use the IGP graphics for your linux dom0 host, and reserve 
> the other VGA pci address for a specific guest, like windows.
>
> Everyone I see trying has done it on a desktop machine, laptops are 
> always a special challenge :)
>
> Thanks,
> -Josef
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~hybrid-graphics-linux
> Post to     : hybrid-graphics-linux@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux
> More help   : https://help.launchpad.net/ListHelp
It's a good idea, but VT-d is a problem. Not many laptops have BIOS 
support for it and certain Sandy CPUs like the 2630QM don't.

You'd really need a Quadro Optimus or NVS Optimus laptop to pull this off.

- Eric