I encountered the same problem with a built-in camera on my laptop running 17.04. I needed to add both of the following lines to /etc/apparmor.d/abstractions/libvirt-qemu
/dev/bus/usb/001/003 rw, /run/udev/data/** r, In my case, the camera is USB device 1-3. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1515791 Title: USB passthrough - virt-aa-helper must grant /run/udev/data/ r To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1515791/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
