Passthrough GPU/iGPU

Installation

Step 1: Edit GRUB

Execute:

nano /etc/default/grub

Change this line from GRUB_CMDLINE_LINUX_DEFAULT="quiet" to this

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt pcie_acs_override=downstream,multifunction nofb nomodeset video=vesafb:off,efifb:off"

or this iGPU & CPU

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on i915.enable_gvt=1 iommu=pt pcie_acs_override=downstream,multifunction video=efifb:off video=vesa:off vfio_iommu_type1.allow_unsafe_interrupts=1 kvm.ignore_msrs=1 modprobe.blacklist=radeon,nouveau,nvidia,nvidiafb,nvidia-gpu"

or this nvidia ok si defaut avec les autre equipement cette commande fonctionne

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt pcie_acs_override=downstream,multifunction"

Save file and exit the text editor

Step 2: Update GRUB

Execute the command:

update-grub 

Step 3: Edit the module files

Execute:

nano /etc/modules

Add these lines:

vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd

Save file and exit the text editor

Step 4: IOMMU remapping

a) Execute:

nano /etc/modprobe.d/iommu_unsafe_interrupts.conf 

Add this line:

options vfio_iommu_type1 allow_unsafe_interrupts=1

Save file and exit the text editor

b) Execute:

nano /etc/modprobe.d/kvm.conf 

Add this line:

options kvm ignore_msrs=1

Save file and exit the text editor

Step 5: Blacklist the GPU drivers

Execute:

nano /etc/modprobe.d/blacklist.conf

Add these lines:

blacklist radeon
blacklist nouveau
blacklist nvidia
blacklist nvidiafb

Pour IGPU ajouter dans le balcklist 👇

blacklist snd_hda_codec_hdmi
blacklist snd_hda_intel
blacklist snd_hda_codec
blacklist snd_hda_core
blacklist amdgpu
#blacklist i915
#blacklist Kvmgt

Save file and exit the text editor

##Step 6: Adding GPU to VFIO
a) Execute:

 lspci -v 

Look for your GPU and take note of the first set of numbers

b) Execute:

lspci -n -s (PCI card address)

This command gives you the GPU vendors number. Or Execute:

 lspci -nnk | grep -A 3 -i vga

c) Execute:

nano /etc/modprobe.d/vfio.conf 

Add this line with your GPU number and Audio number:

options vfio-pci ids=(GPU number,Audio number,iGPU) disable_vga=1

Save file and exit the text editor

Step 7: Command to update everything and Restart

a) Execute:

update-initramfs -u 

b) Then restart the your Proxmox Node

FIN

Bonus

Qemu-guest-agent install

sudo apt update && sudo apt install qemu-guest-agent -y && sudo systemctl enable qemu-guest-agent && sudo systemctl start qemu-guest-agent

Pour du Debian réparation du grub

Boot sur l'iso ubuntu "essayer" puis lancer le terminal

Puis

sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt update && sudo apt install -y boot-repair

Ensuite

boot-repair

Reseaux n'a pas de DHCP actif

Pour debian

nano /etc/network/interfaces

Pour ubuntu

nano /etc/netplan/*.yaml

sudo reboot