mediated devices

Proxmox GPU Passthrough: When It’s Worth the Pain (and When to Walk Away)

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Proxmox GPU passthrough decision framework — IOMMU, VFIO, and when to use it

18 min readDecision-focused guide to Proxmox GPU passthrough: when full VFIO is worth the operational complexity, when LXC /dev/dri is the better path, and what breaks if you skip the requirements. Covers IOMMU groups, AMD reset bug, NVIDIA Blackwell issues, mediated devices, and capstone decisions for Phase 1 cluster.