Virtual Machine with PCI Passthrough device fails to start with "Failed to set up TRIGGER eventfd signaling for interrupt INTX-0: VFIO_DEVICE_SET_IRQS failure: Transport endpoint is not connected"

Solution Verified - Updated -

Issue

  • Virtual Machine does not start if configured with PCI Passthrough device:
error: internal error: QEMU unexpectedly closed the monitor (vm='neat'): 2024-06-27T09:06:23.666609Z qemu-kvm: -device {"driver":"vfio-pci","host":"0000:8a:00.0","id":"hostdev0","bus":"pci.1","addr":"0x0"}: vfio 0000:8a:00.0: Failed to set up TRIGGER eventfd signaling for interrupt INTX-0: VFIO_DEVICE_SET_IRQS failure: Transport endpoint is not connected

Environment

  • Red Hat Enterprise Linux 9

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