Proxmox

Hardware Acceleration

Check if IOMMU is enabled:

dmesg |grep -e DMAR -e IOMMU -e AMD-V

On GRUB systems (no ZFS), add the intel_iommu=on flag to /etc/default/grub and then execute update-grub.

UEFI systems with ZFS, may need to add this parameter to /etc/kernel/cmdline.