Oliver: I'm still not entirely satisfied with my usbserial patch. Don't you think serial->disc_mutex should be held while serial->type->open() is called? After all, the open methods often do submit URBs. 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