Notes, scripts, XML files, and README

scripts/prepare/begin/start.sh

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+#!/bin/bash
+
+set -x
+
+# Load Variables
+source "/etc/libvirt/hooks/kvm.conf"
+
+# Stop LightDM
+systemctl stop lightdm.service
+sleep 2
+
+# 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 a race condition by waiting a couple of seconds. This can be calibrated to be shorter or longer if required for your system
+sleep 2
+
+# Unload all Nvidia drivers
+modprobe -r nvidia_drm
+modprobe -r nvidia_modeset
+modprobe -r drm_kms_helper
+modprobe -r nvidia
+modprobe -r drm
+
+# Unbind the GPU from display driver
+virsh nodedev-detach $VIRSH_GPU_VIDEO
+virsh nodedev-detach $VIRSH_GPU_AUDIO
+
+# Load VFIO kernel module
+modprobe vfio
+modprobe vfio_pci
+modprobe vfio_iommu_type1