I've just started from scratch essentially and added all my devices apart from the Vega 56 as GPU and my soundcard.    When I add my GPU I get stuck at Tianocore.   When I add the soundcard I get a big long error: internal error: qemu unexpectedly closed the monitor: 2019-10-20T18:56:12.173272Z qemu-system-x86_64: -device vfio-pci,host=0000:26:00.0,id=hostdev1,bus=pci.0,addr=0x6: vfio 0000:26:00.0: group 17 is not viable Please ensure all devices within the iommu_group a