libvirt.libvirtError: unsupported configuration: host doesn't support passthrough of host PCI devices

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Error starting domain: unsupported configuration: host doesn't support passthrough of host PCI devices

Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 72, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 108, in tmpcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", line 57, in newfn ret = fn(self, *args, **kwargs) File "/usr/share/virt-manager/virtManager/object/domain.py", line 1384, in startup self._backend.create() File "/usr/lib/python3.10/site-packages/libvirt.py", line 1352, in create raise libvirtError('virDomainCreate() failed') libvirt.libvirtError: unsupported configuration: host doesn't support passthrough of host PCI devices

while trying to start my VM.

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21:44 sam@archpc /home/sam % cat logs error: internal error: qemu unexpectedly closed the monitor: 2022-07-02T19:41:18.784519Z qemu-system-x86_64: -device {"driver":"vfio-pci","host":"0000:09:00.0","id":"hostdev0","bus":"pci.1","addr":"0x0","romfile":"/usr/share/vgabios/gpu.rom"}: vfio 0000:09:00.0: group 2 is not viable Please ensure all devices within the iommu_group are bound to their vfio bus driver. 21:44 sam@archpc /home/sam %

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Got it fixed... sort of...

When going into my pc over ssh and doing sudo virsh start win10

It says Domain Started Win10 but my monitor just goes into standby. Help?