> And the fact that is, reverting your commit made things work under > the same testing conditions. > > Do you have any suggestions as to what I should do between unplugging > and plugging it back? Got it - if the port is opened twice (eg by two apps) it does this. Reproduced and testing a fix. Alan -- 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