start.sh

#!/bin/bash

# set debugging
set -x

# load variables
source "/etc/libvirt/hooks/kvm.conf"

# stop display manager
systemctl stop sddm.service

# unbind VTConsoles
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind

# unbind efi framebuffer
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind

# avoid race condition
sleep 12

# unload nvidia
modprobe -r nvidia_uvm
modprobe -r nvidia_drm
modprobe -r nvidia_modeset
modprobe -r drm_kms_helper
modprobe -r drm
modprobe -r nvidia

# unbind the GPU
virsh nodedev-detach $VIRSH_GPU_VIDEO
virsh nodedev-detach $VIRSH_GPU_AUDIO

# load vfio
modprobe vfio_pci