Virtualization PCI Passthrough Problem

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http://forums.fedoraforum.org – Hey everyone, Have a bit of a problem getting KVM PCI passthrough to work on FC17. Using virt-manager I am trying to pass a pci card to a guest vm and am receiving an error message. Quote: Failed to assign device "hostdev0" : Operation not permitted when I run virsh nodedev-dettach pci_XXXX_XX_XX_X, this is returned Quote: error: Failed to detach device pci_XXXX_XX_XX_X error: Failed to add PCI device ID 'xxxx xxxx' to pci-stub: Permission Denied Obviously this all looks like a (HowTos)