Error: blocking send or recv on a self communication

[lixz@ieecas_cn]

I am running the CCSM3. But I got the error messages, please help.

.......
(cpl_comm_init) setting up communicators, name = ocn
===================================
call ocn_coupling_setup
call ocn_coupling_setup
(cpl_comm_init) setting up communicators, name = ocn
===================================
(cpl_comm_init) setting up communicators, name = ocn
===================================
call ocn_coupling_setup
(cpl_comm_init) setting up communicators, name = ocn
===================================
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Error: blocking send or recv on a self communication
Wed Jul 9 13:55:21 CST 2008 -- CSM EXECUTION HAS FINISHED
Model did not complete - see cpl.log.080709-135504