[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] VGA Passthrough attempted with an Nvidia GTX970

On 2015-02-12 10:16, Kuba wrote:
W dniu 2015-02-12 o 09:08, Gordan Bobic pisze:
1) Patch QEMU to disable PCI snooping and prevent it showing to
the guest the CPU make/model is QEMU.

This will prevent the driver from detecting it is running in a
VM and it will thus agree to initialize the GPU. Yes, Nvidia
driver looks for signs of being in a VM and if it finds them,
it will refuse to initialize GPUs other than the expensive
Quadros and Teslas (cheap Quadros and GeForces won't work).

Could you please clarify what you meant by "patch QEMU"? I'm asking in
hope that you are aware of some patch that does that and works with
XEN :)

I cannot seem to find any of the mentioned patches that aren't
KVM specific, but you should be able to reverse engineer a suitable
solution from this, at least for the CPU ID:

Here is a more complete discussion on an Arch forum (long):

Xen-users mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.