# dmesg |tail ledxmit_dev: IR Remote Control driver registered, at major 72 ledxmit_serial: Unknown symbol verify_area ledxmit_serial: Unknown symbol verify_area ledxmit_serial: Unknown symbol verify_area ledxmit_serial: Unknown symbol verify_area ledxmit_serial: Unknown symbol verify_area ledxmit_serial: port 03f8 already in use ledxmit_serial: use 'setserial /dev/ttySX uart none' ledxmit_serial: or compile the serial port driver as module and ledxmit_serial: make sure this module is loaded first #