requestOperator must not return error when radio is on:Android ICS on beagleboard

Why am i getting this error?I have ported android ICS to beagleboard XM and using a GSM modem for communication purpose.

D/AT ( 1034): AT< +COPS: 0,0,"IDEA Cellular Limited"
D/AT ( 1034): AT< +COPS: 0,1,"IDEA"
D/AT ( 1034): AT< +COPS: 0,2,"40407"
D/AT ( 1034): AT< OK
E/RIL ( 1034): requestOperator must not return error when radio is on
D/RILC ( 1034): [0013]< OPERATOR fails by E_GENERIC_FAILURE
D/RILC ( 1034): [0014]> DATA_REGISTRATION_STATE
D/RIL ( 1034): onRequest: DATA_REGISTRATION_STATE
D/AT ( 1034): AT> AT+CGREG?
D/RILJ ( 1243): [0013]< OPERATOR error: com.android.internal.telephony.CommandException: GENERIC_FAILURE
D/AT ( 1034): AT< +CGREG: 1,1