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Created December 18, 2025 00:14
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Intel GVT-g on Proxmox VE 9

Setup Proxmox VE 9 with Intel GVT-g enabled

Thanks to this guide: https://kaanlabs.com/simultaneous-intel-gvt-g-and-nvidia-pcie-gpu-passthrough-in-proxmox/

Prerequisites

  • In BIOS enable Intel VT-d

Steps to enable GVT-g

In /etc/modules:

# Modules required for PCIe passthrough
vfio
vfio_pci
vfio_iommu_type1
vfio_virqfd

# Modules required for Intel GVT
kvmgt
exngt
vfio_mdev

In /etc/modprobe.d/i915.conf:

options i915 enable_gvt=1
options i915 enable_guc=0

In /etc/modprobe.d/kvm.conf:

options kvm ignore_msrs=1
options kvm report_ignored_msrs=0

In /etc/modprobe.d/vfio_iommu_type1.conf:

options vfio_iommu_type1 allow_unsafe_interrupts=1

In /etc/default/grub:

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt"

Run:

  1. update-initramfs -u -k all
  2. update-grub
  3. reboot
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