Same issue appeard after upgrading from Ubuntu 13.04 to 13.10; bug: 1245251 (Apparmor blocks usb devices in libvirt in Saucy). Could it be related to this issue? Maybe a new or other line in /etc/apparmor.d/abstractions/libvirt-qemu?
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1392504 Title: USB Passthrough is not working anymore Status in QEMU: New Status in “qemu” package in Ubuntu: Incomplete Bug description: After upgrading from Ubuntu 14.04 to Ubuntu 14.10 USB passthrough in QEMU (version is now 2.1.0 - Debian2.1+dfsg-4ubuntu6.1) is not working any more. Already tried to remove and attach the USB devices. I use 1 USB2 HDD + 1 USB3 HDD to a virtual linux machine; 1 USB2 HDD to a virual FNAS machine and a USB 2camera to virtual Win7 machine. All these devices are not working any more. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1392504/+subscriptions
