after `apt dist-upgrade`,
not set "x-vga=on":`vfio-pci,host=01:00.0,id=hostpci0,bus=ich9-pcie-port-1,addr=0x0,romfile=/usr/share/kvm/GK104_patched.rom'`
open vm and spice, while windows started, spice turn to black screen, display device show the screen,just like use "x-vga=on" on old pve...