Hi, looking at this code made me think whether there actually is a limit on the host. It seems to me that we should not have more concurrent commands than the host controller supports streams. What do you think? 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