On the new 5.4 kernel, launching an instance with a PCI passthrough device fails with the following error:
kvm: -device vfio-pci,host=0000:05:00.0,id=hostpci0,bus=ich9-pcie-port-1,addr=0x0: VFIO_MAP_DMA: -22
kvm: -device vfio-pci,host=0000:05:00.0,id=hostpci0,bus=ich9-pcie-port-1,addr=0x0...
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