start.sh

#!/bin/bash
# Helpful to read output when debugging
set -x

# Stop display manager
systemctl stop display-manager.service
killall gdm-x-session

# Unbind VTconsoles
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind
echo 0 > /sys/class/vtconsole/vtcon2/bind
echo 0 > /sys/class/vtconsole/vtcon3/bind

# Unbind EFI-Framebuffer
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/unbind

pkill -9 x
pkill -9 xorg

rmmod nvidia_uvm
rmmod nvidia_drm
rmmod drm
rmmod nvidia_modeset
rmmod nvidia

# Unbind VTconsoles
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind
echo 0 > /sys/class/vtconsole/vtcon2/bind
echo 0 > /sys/class/vtconsole/vtcon3/bind

# Unbind EFI-Framebuffer
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/unbind

modprobe -r drm_kms_helper
modprobe -r nvidia_drm
modprobe -r nvidia_modeset
modprobe -r nvidia
modprobe -r drm

# Unbind the GPU from display driver
virsh nodedev-detach pci_0000_06_00_0
virsh nodedev-detach pci_0000_06_00_1

# Unbind VTconsoles
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind
echo 0 > /sys/class/vtconsole/vtcon2/bind
echo 0 > /sys/class/vtconsole/vtcon3/bind

# Unbind EFI-Framebuffer
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/unbind

sleep 5

# Load VFIO Kernel Module
modprobe vfio
modprobe vfio_pci
modprobe vfio_iommu_type1