Re: [Xen-users] VGA pass-through to Linux

[Daniel Shub <Daniel.Shub@xxxxxxxxxxxxxxxx>]

> On 4 Jul 2014, at 04:40, "Robert Rust" <rjrbytes@xxxxxxxxx> wrote:
> 
> Howdy folks.  I'm trying to set up a DomU with Linux for my kids to play 
> games on ... passing it a video card, a USB card and a sound card.  I've had 
> no success getting the video card to do anything that I can tell.  When I try 
> to tell the domU to use gfx_passthru, I end up with 100% CPU usage and no 
> apparent activity.  I've tried installing the AMD drivers but that has 
> usually resulted in a system that either has X respawning on login via VNC, 
> or what appears to be a secondary desktop on VNC that doesn't seem to have a 
> pointer.
> OS: Ubuntu 14.04 ... I'm open to using others, but would prefer something 
> Ubuntu-based
> video card: Radeon HD6450.  I also have a Radeon HD4350 available (and the 
> motherboard has two 16x PCIe slots.
> 

Primary VGA pass through (i.e., gfx_passthru) seems to be much more difficult 
than secondary pass through. I would take a look at that. I have had pretty 
good luck with using AMD cards with an Arch Dom0 and both an Arch and a Debian 
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