VM fails to spawn when allocating 1TB of RAM.

Issue

• VM fails to spawn when allocating 1TB of RAM with the following error:

2023-04-13 10:23:12.572 7 ERROR nova.virt.libvirt.guest [req-2df27133-2e03-4d16-a64c-22c88da1c4a8 9657a87131264e20910cfd1be676cb66 87d2b724d71a4a66970d1f754228e17c - default default] Error launching a defined domain with XML: <domain type='kvm'>
...
: libvirt.libvirtError: internal error: qemu unexpectedly closed the monitor: 2023-04-13T01:23:11.324171Z qemu-kvm: -device cirrus-vga,id=video0,bus=pci.0,addr=0x2: warning: 'cirrus-vga' is deprecated, please use a different VGA card instead
2023-04-13 10:23:12.573 7 ERROR nova.virt.libvirt.driver [req-2df27133-2e03-4d16-a64c-22c88da1c4a8 9657a87131264e20910cfd1be676cb66 87d2b724d71a4a66970d1f754228e17c - default default] [instance: 45b37219-0de5-4228-89c8-0de68d3a1b8f] Failed to start libvirt guest: libvirt.libvirtError: internal error: qemu unexpectedly closed the monitor: 2023-04-13T01:23:11.324171Z qemu-kvm: -device cirrus-vga,id=video0,bus=pci.0,addr=0x2: warning: 'cirrus-vga' is deprecated, please use a different VGA card instead

2023-04-13T01:23:11.705002Z qemu-kvm: -device vfio-pci,host=0000:c1:02.0,id=hostdev0,bus=pci.0,addr=0x6: VFIO_MAP_DMA failed: Invalid argument
2023-04-13T01:23:11.715066Z qemu-kvm: -device vfio-pci,host=0000:c1:02.0,id=hostdev0,bus=pci.0,addr=0x6: vfio 0000:c1:02.0: failed to setup container for group 252: memory listener initialization failed: Region pc.ram: vfio_dma_map(0x5610e65c1140, 0x100000000, 0xff40000000, 0x7e0a9be00000) = -22 (Invalid argument)
2023-04-13 10:23:12.785 7 ERROR nova.compute.manager [instance: 45b37219-0de5-4228-89c8-0de68d3a1b8f] libvirt.libvirtError: internal error: qemu unexpectedly closed the monitor: 2023-04-13T01:23:11.324171Z qemu-kvm: -device cirrus-vga,id=video0,bus=pci.0,addr=0x2: warning: 'cirrus-vga' is deprecated, please use a different VGA card instead
2023-04-13 10:23:12.785 7 ERROR nova.compute.manager [instance: 45b37219-0de5-4228-89c8-0de68d3a1b8f] 2023-04-13T01:23:11.705002Z qemu-kvm: -device vfio-pci,host=0000:c1:02.0,id=hostdev0,bus=pci.0,addr=0x6: VFIO_MAP_DMA failed: Invalid argument
2023-04-13 10:23:12.785 7 ERROR nova.compute.manager [instance: 45b37219-0de5-4228-89c8-0de68d3a1b8f] 2023-04-13T01:23:11.715066Z qemu-kvm: -device vfio-pci,host=0000:c1:02.0,id=hostdev0,bus=pci.0,addr=0x6: vfio 0000:c1:02.0: failed to setup container for group 252: memory listener initialization failed: Region pc.ram: vfio_dma_map(0x5610e65c1140, 0x100000000, 0xff40000000, 0x7e0a9be00000) = -22 (Invalid argument)

• We are using AMD CPUs.