On 11/15/2013 05:18 PM, Mauricio Tavares wrote: Since you've got it working at all, that means that libvirt has done its duty in setting up all the plumbing necessary to get the PRI device connected to the guest, etc. With that in mind, you might be able to make better progress towards finding the root cause of your problem by talking to qemu/kvm people "somewhere" (I only know about the qemu-devel mailing list, which is really more for the people working on qemu software, not for users. Possibly the best place is either #kvm on freenode or #qemu on OFTC).