Hi I am facing the following issue on my MPICH build from source code: (the only change in config was disable fortran ) Any help is more than welcome root@intel-corei7-64:~/test# mpirun -n 2 ./mpi_hello Fatal error in MPI_Init: Other MPI error, error stack: MPIR_Init_thread(498)..............: MPID_Init(187).....................: channel initialization failed MPIDI_CH3_Init(89).................: MPID_nem_init(320).................: MPID_nem_tcp_init(171).............: MPID_nem_tcp_get_business_card(418): MPID_nem_tcp_init(377).............: gethostbyname failed, intel-corei7-64 (errno 1) =================================================================================== = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES = PID 483 RUNNING AT intel-corei7-64 = EXIT CODE: 1 = CLEANING UP REMAINING PROCESSES = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES =================================================================================== Source code : https://github.com/VictorRodriguez/parallel/blob/master/mpi/hello.c All help is more than welcome Best Regards Victor Rodriguez _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss