Re: [Xen-users] Recommendations for Virtulization Hardware

[ShadesOfGrey <shades_of_grey@xxxxxxxxxxxxx>]

Sorry for the late response, I've had a lot to digest.

On 09/20/2012 05:53 PM, Alex Williamson wrote:
> There have been a couple success reports of using AMD/ATI graphics cards
> on Intel VT-d systems with KVM device assignment.  Nvidia cards have not
> met with the same degree of success.  In both our cases, the graphics
> device was assigned to a Windows guest as a secondary graphics head.
> For me, Windows took over the assigned device as the primary graphics,
> disabling the emulated graphics.  For my slow HD 5450, 3dMark seems to
> get a similar score to what others see on bare metal.
>
> Graphics device assignment on KVM is getting better, but should be
> considered experimental at best.  Thanks,
>
> Alex
>
>
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I had noticed that KVM seems to be behind Xen with respect to PCI/VGA 
passthrough (among other things).  Then again, with information 
generally being a bit outdated all around, I figured I should at least 
give KVM a shot.  Worst case scenario, I'd try KVM and Xen (or some 
other Hypervisor) and both fail to offer what I want.  My contingency 
plan is to build a modest second box.  Best case, both work and it's 
just a question of choosing which Hypervisor best fits.  In any case, I 
plan on keeping an eye on both as they develop.


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