• hardware

  Dell Poweredge R720
  Nvidia Tesla P40 24GB 

• follow below link and stop prior section "Configuring the VM (Windows 10)", note the modifications listed below. https://gist.github.com/qubidt/64f617e959725e934992b080e677656f

  • in proxmox web interface, select vm, for hostpci - check All Functions,ROM-Bar,PCI-Express

  • edit your /etc/pve/qemu-server/${VM_ID}.conf per below

machine: q35
cpu: host,hidden=1,flags=+pcid
args: -cpu 'host,+kvm_pv_unhalt,+kvm_pv_eoi,hv_vendor_id=NV43FIX,kvm=off'

# below is based on needs
cores: 10
memory: 262144
scsi0: local-lvm:vm-100-disk-0,size=768G
boot: order=scsi0;net0
scsihw: virtio-scsi-pci
hostpci0: 0000:42:00,pcie=1

• turn on the vm.

• when installing ubuntu, don't install the driver.

• boot up vm

• check if gpu is present

lspci | grep 01:00

• install driver

sudo apt-add-repository -r ppa:graphics-drivers/ppa
sudo apt update
sudo apt remove nvidia*
sudo apt autoremove
sudo ubuntu-drivers autoinstall

+ run `nvidia-smi` and get complaints, run below.

sudo rmmod nouveau sudo modprobe nvidia

+ run `nvidia-smi` to confirm presense of gpu.