hi, greetings to everyone
after assigned the gpu and sound card i got this error message when i start the VM.
Execution error
internal error: process exited while connecting to monitor: 2017-11-03T15:04:09.927728Z qemu-system-x86_64: -device vfio-pci,host=02:00.0,id=hostdev0,bus=pci.0,addr=0x5: vfio: failed to set iommu for container: Operation not permitted
2017-11-03T15:04:09.927771Z qemu-system-x86_64: -device vfio-pci,host=02:00.0,id=hostdev0,bus=pci.0,addr=0x5: vfio: failed to setup container for group 15
2017-11-03T15:04:09.927782Z qemu-system-x86_64: -device vfio-pci,host=02:00.0,id=hostdev0,bus=pci.0,addr=0x5: vfio: failed to get group 15
2017-11-03T15:04:09.927808Z qemu-system-x86_64: -device vfio-pci,host=02:00.0,id=hostdev0,bus=pci.0,addr=0x5: Device initialization failed