http://bugzilla.opensuse.org/show_bug.cgi?id=1182304 http://bugzilla.opensuse.org/show_bug.cgi?id=1182304#c16
--- Comment #16 from robert spitzenpfeil rs.opensuse@spitzenpfeil.org --- I've checked right now. The problem is still the same.
Without an AC adapter connected, "usbcore.autosuspend=-1" is required to keep the USB3 ports functional.