[fedora-virt] GPU Passthrough problem

[Cole Robinson]

On 02/17/2014 02:58 AM, Eric Viseur wrote:
> Hello everyone,
> 
> As many other before me, I'm having problems with GPU Passthrough.  I'm
> running Fedora 20 with kernel 3.13.3 and the packages from the virt-preview.
> My configuration is a Dell OptiPlex 7010, equipped with a Core i5 3470 and a
> Radeon HD7570 from Dell.
> 
> VT-d and vfio work fine for other devices, such as the audio controller, but I
> can't seem to passthrough the graphic cards.  Primary passthrough simply
> fails, secondary passthrough with a Cirrus VGA gives me Error 10.  In both
> cases, I hear the GPU fan reacting when the VM boots, but then nothing happens.
> 
> I tried blacklisting completely the i915 driver, as I can live without it. 
> This is for a project aimed at a seamless interaction with a Windows VM, the
> Linux hypervisor doing background processing, hidden from the user.  Given my
> situation, what are my best next shots ?
> 

I'd recommend trying qemu.git as well, this stuff is still under active
development.

Also see this thread for some possibly related discussion:
https://lists.fedoraproject.org/pipermail/virt/2013-December/003911.html

But maybe Alex has more suggestions.

- Cole