Hi, I was looking at races with delayed unthrottling. Unfortunately I don't really understand all line disciplines. Is it possible that throttle() is called after unthrottle() without a driver pushing data to the tty layer? Regards Oliver -- 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