I have a working VM that functions just fine with VNC and GPU passthrough. However, I added a fresco Logic USB 3.0 controller by following SpaceInvader One's instructions.  After selecting the fresco logic and starting the VM it reports 'No bootable device'.  I remove the controller and all is good again.  Below are my settings and things that I have tried.   Flash drive: tried both pci-stub.ids=1b73:1100 and vfio-pic.ids=1b73:1100 Also tried the VFIO plugin blow are my settings i