I get that also, with the only USB device being the BT adapter... Killing bluetoothd did not help.
Removing btusb did it. Inserting it again brings is back up to 100% usage (still according to powertop). -- Powertop reports a USB device is active 100% of the time. https://bugs.launchpad.net/bugs/276791 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs