I'm setting up a VM to have gpu passthrough, IOMMU is enabled, but when I start my VM from CLI, I get this.
kvm: -device vfio-pci,host=0000:03:00.0,id=hostpci0.0,bus=ich9-pcie-port-1,addr=0x0.0,multifunction=on: Failed to mmap 0000:03:00.0 BAR 3. Performance may be slow
And fixed by adding...