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Hello everybody<br><br>I'm trying to fix a problem that appear when I execute one of the mpich2 program examples.<br>As you can see, if I execute a normal command there are no problems. The cluster work properly.<br><br>
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<p style="margin-bottom: 0in"><i>mpi@mpi0:~$ mpiexec -f
./mpich2-install/machinefile -n 5 hostname
</i></p><i>
</i><p style="margin-bottom: 0in"><i>mpi0
</i></p><i>
</i><p style="margin-bottom: 0in"><i>mpi2
</i></p><i>
</i><p style="margin-bottom: 0in"><i>mpi3
</i></p><i>
</i><p style="margin-bottom: 0in"><i>mpi1
</i></p><i>
</i><p style="margin-bottom: 0in"><i>mpi4
</i></p><i>
</i><p style="margin-bottom: 0in"><i>mpi@mpi0:~$
</i></p>
<p style="margin-bottom: 0in"><br>
</p>
but when I try to execute the program, the results are something like this<br><br>
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<p style="margin-bottom: 0in"><i>mpi@mpi0:~$ mpiexec -f
./mpich2-install/machinefile -n 5
/home/mpi/mpich2-install/workspace/Prueba/Debug/Prueba
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Hello MPI World the original.
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Hello MPI World the original.
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Hello MPI World the original.
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Hello MPI World the original.
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Hello MPI World the original.
</i></p><i>
</i><p style="margin-bottom: 0in"><i>From process 0: Num processes: 5
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Fatal error in MPI_Send: Other MPI
error, error stack:
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPI_Send(173)..............:
MPI_Send(buf=0xbfcbe268, count=26, MPI_CHAR, dest=0, tag=0,
MPI_COMM_WORLD) failed
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPID_nem_tcp_connpoll(1826):
Communication error with rank 0: Connection refused
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Fatal error in MPI_Send: Other MPI
error, error stack:
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPI_Send(173)..............:
MPI_Send(buf=0xbfb32ca8, count=26, MPI_CHAR, dest=0, tag=0,
MPI_COMM_WORLD) failed
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPID_nem_tcp_connpoll(1826):
Communication error with rank 0: Connection refused
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Fatal error in MPI_Send: Other MPI
error, error stack:
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPI_Send(173)..............:
MPI_Send(buf=0xbfa49e98, count=26, MPI_CHAR, dest=0, tag=0,
MPI_COMM_WORLD) failed
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPID_nem_tcp_connpoll(1826):
Communication error with rank 0: Connection refused
</i></p><i>
</i><p style="margin-bottom: 0in"><i>Fatal error in MPI_Send: Other MPI
error, error stack:
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPI_Send(173)..............:
MPI_Send(buf=0xbfa57538, count=26, MPI_CHAR, dest=0, tag=0,
MPI_COMM_WORLD) failed
</i></p><i>
</i><p style="margin-bottom: 0in"><i>MPID_nem_tcp_connpoll(1826):
Communication error with rank 0: Connection refused
</i></p><i>
</i><p style="margin-bottom: 0in"><i><br></i>
</p><i>
</i>Do you have any idea what can be the problem?<br><br>Thank you in advance<br>Miguel Angel<br><br> </div></body>
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