On Tue, 6 Jan 2015, vichy wrote: > The mouse will reconnect even I just kept it connected and not moving it. > is there any method or debug message we can tell what is going on to > make it resume? usbmon. My guess is that the mouse disconnects and reconnects all by itself after a few seconds of suspend. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html