[mpich-discuss] channel initialization failed

[Balaji, Pavan]

Can you try these suggestions:

https://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Q:_My_MPI_program_aborts_with_an_error_saying_it_cannot_communicate_with_other_processes






On 7/5/15, 10:53 PM, "Victor Rodriguez" <vm.rod25 at gmail.com> wrote:

>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 at 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
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