GPU Passthrough

User Support General
1

Hey,

I am relatively new to Qubes and haven’t found a explanation that suits my knowledge.

So, from my understanding no Qube uses the GPU besides the gui-vm? This mean’s I can’t take advantage of my GPU in my Qubes.

But because of an interesting project of mine (I want to run my own ml models), I need a good GPU to run certain things. I am using the Nvidia RTX 3070 & noveau driver.

So, to achive that I need to do the following:

  1. Check if IOMMU is activated in Bios for pci passthrough
  2. Create a HVM qube
  3. Find pci-id of my GPU with lspci | grep -i nvidia
  4. qvm-pci attach dom0:
  5. install nvidia-drivers in the qubes with apt install nvidia-driver firmware-misc-nonfree or sudo dnf install akmod-nvidia xorg-x11-drv-nvidia

Is this all? Did I forget / oversee things? and while writing I recognized is it probably not a good idea to have noveau in dom0 and the properitary driver in the qubes, so i will have to stick to one of them, right?

thanks in advance!

2

It doesn’t matter since dom0 won’t use this GPU because it’s passthrough to another qube.

3

So this means only one qube can use the gpu at a time?

Thanks for the guide, i will definitely read into it.

4

Yes.