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Hello again<div><br></div><div>I'm still trying to fix the problem I told you days ago.</div><div>I configured all cluster machines for executing mpiexec as root on any cases and the problem is the same.</div><div>Is it necesary to configure a password for hydra as I had to do for mpd?</div><div><br></div><div>Thank you in advance</div><div>Miguel Ángel<br><br><div>> From: thakur@mcs.anl.gov<br>> Date: Sat, 22 Oct 2011 15:30:26 -0500<br>> To: mpich-discuss@mcs.anl.gov<br>> Subject: Re: [mpich-discuss] MPID_nem_tcp_connpoll(1826): Communication error with rank 0: Connection refused<br>> <br>> Make sure the 5 machines can communicate with each other, i.e., there is no firewall preventing connections.<br>> <br>> Rajeev<br>> <br>> On Oct 22, 2011, at 12:36 PM, Miguel Angel Fernández wrote:<br>> <br>> > 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>> > mpi@mpi0:~$ mpiexec -f ./mpich2-install/machinefile -n 5 hostname<br>> > mpi0<br>> > mpi2<br>> > mpi3<br>> > mpi1<br>> > mpi4<br>> > mpi@mpi0:~$<br>> > <br>> > but when I try to execute the program, the results are something like this<br>> > <br>> > mpi@mpi0:~$ mpiexec -f ./mpich2-install/machinefile -n 5 /home/mpi/mpich2-install/workspace/Prueba/Debug/Prueba<br>> > Hello MPI World the original.<br>> > Hello MPI World the original.<br>> > Hello MPI World the original.<br>> > Hello MPI World the original.<br>> > Hello MPI World the original.<br>> > From process 0: Num processes: 5<br>> > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > MPI_Send(173)..............: MPI_Send(buf=0xbfcbe268, count=26, MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > MPID_nem_tcp_connpoll(1826): Communication error with rank 0: Connection refused<br>> > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > MPI_Send(173)..............: MPI_Send(buf=0xbfb32ca8, count=26, MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > MPID_nem_tcp_connpoll(1826): Communication error with rank 0: Connection refused<br>> > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > MPI_Send(173)..............: MPI_Send(buf=0xbfa49e98, count=26, MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > MPID_nem_tcp_connpoll(1826): Communication error with rank 0: Connection refused<br>> > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > MPI_Send(173)..............: MPI_Send(buf=0xbfa57538, count=26, MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > MPID_nem_tcp_connpoll(1826): Communication error with rank 0: Connection refused<br>> > <br>> > Do you have any idea what can be the problem?<br>> > <br>> > Thank you in advance<br>> > Miguel Angel<br>> > <br>> > _______________________________________________<br>> > mpich-discuss mailing list mpich-discuss@mcs.anl.gov<br>> > To manage subscription options or unsubscribe:<br>> > https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss<br>> <br>> _______________________________________________<br>> mpich-discuss mailing list mpich-discuss@mcs.anl.gov<br>> To manage subscription options or unsubscribe:<br>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss<br></div></div> </div></body>
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