# 06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] [1002:67ff] (rev c1)
# 06:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X] [1002:aae0]

lspci -nnk -d 1002:67ff
#06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] [1002:67ff] (rev c1)
#Subsystem: ASUSTeK Computer Inc. Device [1043:05eb]
#Kernel driver in use: amdgpu
#Kernel modules: amdgpu

# запускаем как в "совете"
sudo modprobe -v vfio-pci ids=1002:67ff;

lspci -nnk -d 1002:67ff
#06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] [1002:67ff] (rev c1)
#Subsystem: ASUSTeK Computer Inc. Device [1043:05eb]
#Kernel driver in use: AMDGPU !!!!!!
#Kernel modules: amdgpu

# Окей, может сделаем как написано в https://www.ibm.com/docs/en/linux-on-systems?topic=through-pci#taskvfio_host_pci__example__1
echo 0000:06:00.0 > /sys/bus/pci/drivers/amdgpu/unbind

lspci -nnk -d 1002:67ff
#06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] [1002:67ff] (rev c1)
#Subsystem: ASUSTeK Computer Inc. Device [1043:05eb]
#Kernel modules: amdgpu
# .... in use больше нет
# Теперь должно сработать, правда?

# Пробуем
qemu-img create -f qcow2 IMAGE.qcow2 40G
sudo qemu-system-x86_64 -boot c -drive file=IMAGE.qcow2 -accel kvm -m 1024 -machine q35,accel=kvm,kernel-irqchip=split  -device vfio-pci,host=06:00.0
# Упс... The -accel and "-machine accel=" options are incompatible, но ладно....

# Ой, не работает....
sudo qemu-system-x86_64 -boot c -drive file=IMAGE.qcow2 -accel kvm -m 1024 -machine q35,kernel-irqchip=split  -device vfio-pci,host=06:00.0
# qemu-system-x86_64: -device vfio-pci,host=06:00.0: vfio 0000:06:00.0: failed to open /dev/vfio/18: No such file or directory

lspci -nnk -d 1002:67ff
#06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] [1002:67ff] (rev c1)
#Subsystem: ASUSTeK Computer Inc. Device [1043:05eb]
#Kernel modules: amdgpu

# Ну и где Kernel driver in use: vfio-pci