joeknock90/Single-GPU-Passthrough resource

Health v2 · maintenance only

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1690 stars · 81 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A guide and set of libvirt/QEMU hook scripts for passing a single GPU through to a virtual machine on Linux using VFIO, without needing a second GPU for the host. It walks through configuring libvirt/virt-manager to detach the GPU from the host and reattach it when the VM shuts down.

Use cases

• run Windows games in a VM with full GPU performance on a Linux host
• pass my only GPU to a KVM virtual machine
• set up single GPU passthrough with virt-manager
• avoid dual booting between Linux and Windows for gaming
• rebind the GPU back to the host after a VM shuts down
• use VFIO on a Mini-ITX build with no integrated graphics

When to choose

• you have exactly one GPU and want near-native VM graphics performance on Linux
• you use libvirt/virt-manager and want a proven hook-based setup
• you want to replace dual booting with a VM workflow

When to avoid

• you have two or more GPUs and can use a simpler static passthrough setup
• you need the GPU available to the host and VM simultaneously
• your hardware or drivers lack proper IOMMU/VFIO support
• you need a guaranteed, supported solution - the guide explicitly offers no warranties

Facets

learning-resource · maturity maintenance

developer-tools configuration-management developer-tools operating-systems gaming-tools self-hosted cli vfio gpu-passthrough kvm libvirt virt-manager qemu single-gpu shell-scripts guide virtualization linux

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