Okay, that says that mpirun is working correctly - the problem appears to be in MPI_Init.
How was OMPI configured?
On Apr 12, 2011, at 9:24 AM, Stergiou, Jonathan C CIV NSWCCD West Bethesda, 6640 wrote:
> Ralph,
>
> Thanks for the reply and guidance.
>
> I ran the following:
>
> $> mpirun -np 1 hostname
> XXX_TUX01
>
> $> mpirun -np 2 hostname
> XXX_TUX01
> XXX_TUX01
>
> $> mpirun -np 1 ./hello_c
> Hello, world, I am 0 of 1.
>
> $> mpirun -np 2 ./hello_c
> (no result, terminal does not respond until ctrl+c)
>
>
>
>> Let's simplify the issue as we have no idea what your codes are doing.
>>
>> Can you run two copies of hostname, for example?
>>
>> What about multiple copies of an MPI version of "hello" - see the examples directory in the OMPI tarball.
>
>
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