On Sun, Jul 3, 2016 at 12:34 PM, Francis Greaves <francis at choughs.net> wrote: > ________________________________ > From: "Francis Greaves" <francis at choughs.net> > To: "Francis Greaves" <francis at choughs.net>, "centos-virt" > <centos-virt at centos.org> > Sent: Sunday, 3 July, 2016 11:19:49 > Subject: Re: [CentOS-virt] PCI Passthrough not working > > Further to my last post, I have removed the xen-pciback module from the Dom0 > kernel, and reloaded it as > modprobe xen-pciback passthrough=1 > > I now have the PCI device on the DomU matching the Dom0 Device > usb usb1: SerialNumber: 0000:00:1a.0 > instead of 0000:00:00.0 > > However I now have this error > > ehci_hcd 0000:00:1a.0: Unlink after no-IRQ? Controller is probably using > the wrong IRQ. > > does this give a clue as to what is going on? Francis, Thanks for posting with the extra info. Could you now also re-post it to the xen-users mailing list, as I asked, so that more people can get a look at what you're doing? Thanks. :-) -George