Might be worth replacing libusb-0.1 with libusb-compat since anecdotal evidence (https://bugs.launchpad.net/ubuntu/+source/upower/+bug/526895/comments/8) would appear to suggest it fixes this issue.
Might be worth replacing libusb-0.1 with libusb-compat since anecdotal evidence (https:/ /bugs.launchpad .net/ubuntu/ +source/ upower/ +bug/526895/ comments/ 8) would appear to suggest it fixes this issue.