# dmesg |grep -i iommu [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.3.7-1-pve root=/dev/mapper/pve-root ro quiet intel_iommu=on pcie_acs_override=downstream,multifunction video=efifb:off,vesafb:off [ 0.000000] Warning: PCIe ACS overrides enabled; This may allow non-IOMMU prot...