On Thu, May 12, 2016 at 12:11 PM, Francis Greaves <francis@xxxxxxxxxxx> wrote: > I am running Xen 4.6 on CentOS 7 in a Dell Poweredge T430 > I need PCI Passthrough to get USB working. I am following the Xenproject > Wiki > I have enabled the Virtulasation in the BIOS. > I have xen_pciback as a module > I have issued the command: > > xl pci-assignable-add 00:1a0.0 and it shows up fine when I issue this xl > pci-assignable-list > > I have pci=['00:1a.0'] on the DomU config file > I have added this iommu=soft and swiotlb=force both together and separately > to the kernel command line > in the DomU (running Debian 8), but I get the same error each time. > > libxl: error: libxl_pci.c:999:do_pci_add: xc_assign_device failed: Operation > not permitted > libxl: error: libxl_create.c:1424:domcreate_attach_pci: libxl_device_pci_add > failed: -3 Can you please attach the following: 1. The complete domU config file 2. A complete log of the command and all the output 3. The full output of "xl dmesg" just after you run the command Thanks, -George _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos-virt
