Gang, I am a little bit confused with your commit log. I remember that FVL device can be pass-throughed into VM by pci-stub driver. Could you please give more details? Thanks, Marvin On 05/18/2017 05:24 PM, xu,gang wrote: > Fortville pci does not support pci-stub driver to start VM with PF pci pass-through, > so used vfio driver.