Hello! I have a problem to run mpi program. My command line is: $ mpirun -np 1 ./ksurf
But I got an error: [0,0,0] mca_oob_tcp_init: invalid address '' returned for selected oob interfaces. [0,0,0] ORTE_ERROR_LOG: Error in file oob_tcp.c at line 880 My working environment is: Fedora 7, openmpi-1.1 Is it possible to treat this problem? Alec.