Please note: since 4.18.16 vfio-pci is compiled-in, no longer a module.Make sure your CPU supports vt-d. It works on my Proxmox 6.2, kernel version 5.4.34-1-pve. If you have an alternative PVE version. The IGD Passthrough method in this article may not work proper. Enable the IOMMU: IGD(GPU) Passthrough:Look up IGD device id: result like this …
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