May 2, 201610 yr I have attempted to run two VM's on my machine and each has plenty of resources, and each Graphics device is in its own IOMMU group, but when I attempt to start the VM with a certain card, it gives me this error: internal error: early end of file from monitor: possible problem: 2016-05-02T16:45:29.072664Z qemu-system-x86_64: -device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on: vfio: Error: Failed to setup INTx fd: Device or resource busy 2016-05-02T16:45:29.073353Z qemu-system-x86_64: -device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on: Device initialization failed 2016-05-02T16:45:29.073363Z qemu-system-x86_64: -device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on: Device 'vfio-pci' could not be initialized ! Not valid! System Specs are here: CPU: Core i7 4770 RAM 16 GB DDR3 1600 mhz MOBO: Asrock Z97 Extreme 4 GPU 1: Radeon R9 270x GPU 2: Radeon R9 380/285 VM1: 6GB RAM Radeon R9 270x 2 Physical cores, 2 Hyperthreads VM2: 6GB RAM Radeon R9 380/285 2 Physical Cores, 2 Hyperthreads Any help on how to rectify this problem would be greatly appreciated.
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