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Hi, I'm new to the whole Virtualization through GPU. I want to try a cheap 2 player gamer pc. I bought a server board dseb-dg/sas from asus with 2 pci express slots and 2 771 cpu slots with 2 xeon x5450 quad core processors. I followed every step from linus on YouTube And i get this error: internal error: qemu unexpectedly closed the monitor: 2017-05-15T12:20:42.511301Z qemu-system-x86_64: -device vfio-pci,host=0a:00.0,id=hostdev0,bus=pci.0,addr=0x5: vfio: failed to set iommu for container: Operation not permitted 2017-05-15T12:20:42.511364Z qemu-system-x86_64: -device vfio-pci,host=0a:00.0,id=hostdev0,bus=pci.0,addr=0x5: vfio: failed to setup container for group 2 2017-05-15T12:20:42.511371Z qemu-system-x86_64: -device vfio-pci,host=0a:00.0,id=hostdev0,bus=pci.0,addr=0x5: vfio: failed to get group 2 2017-05-15T12:20:42.511387Z qemu-system-x86_64: -device vfio-pci,host=0a:00.0,id=hostdev0,bus=pci.0,addr=0x5: Device initialization failed Group 2 is the group for my GPU if i go through VNC i can start up de virtualisation but through my GPU it gives this error. vt-d is enabled in the bios the only thing i don't know is if the xeon 5450 support vt-d. can't find anything about that my sytem information: Model: Custom M/B: ASUSTek Computer INC. - DSEB-DG/SAS CPU: Intel® Xeon® CPU X5450 @ 3.00GHz HVM: Enabled IOMMU: Enabled Cache: 128 kB, 12288 kB Memory: 16 GB (max. installable capacity 64 GB) Network: bond0: fault-tolerance (active-backup), mtu 1500 eth0: not connected eth1: 1000 Mb/s, full duplex, mtu 1500 eth2: not connected eth3: not connected Kernel: Linux 4.9.19-unRAID x86_64 OpenSSL: 1.0.2k Uptime: . also, is there maybe a free software for virtualisation with GPU? thank you in advance! greetings, virtualization rookie