按照您的教程无法直通锐角云核显

Question

无法直通锐角云核显
root@n3450PVE:~# qm start 100
kvm: -device vfio-pci,host=00:02.0,addr=0x2,romfile=vbios.rom: vfio 0000:00:02.0: error getting device from group 1: Invalid argument
Verify all devices in group 1 are bound to vfio- or pci-stub and not already in use
start failed: QEMU exited with code 1
求！