On Sun, 13 Sep 2015, Hans-Peter Jansen wrote: > > > usbmon log attached. > > > > It wasn't attached. > > Hrmpf. Hopefully now... This time the trace wasn't so useful. It doesn't show any obvious reason for the disconnections. It only shows that the port's link state suddenly changes to INACTIVE along with a connect-status change. Maybe the device doesn't handle Link Power Management correctly? Mathias, is there any way to disable LPM for a SuperSpeed device? 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