It might also be interesting to see the result of "ifconfig -a" on both of your machines.

--td

Date: Thu, 18 Sep 2008 10:19:37 +0200
From: "Sofia Aparicio Secanellas" <sapari...@grpss.ssr.upm.es>
Subject: Re: [OMPI users] Problem with MPI_Send and MPI_Recv
To: "Open MPI Users" <us...@open-mpi.org>
Message-ID: <E3B88B6CBFCF4F78A9F8310502FB5AD4@aparicio1>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
        reply-type=response

Hello Terry,

Yes, "edu" is the user and 10.4.5.126 is the IP address. Because both computers have different usernames, I think that I should write the username otherwise it does not work. In fact, on the computer 10.4.5.123 I write:

mpirun -np 2 --host 10.4.5.123,edu@10.4.5.126 --prefix /usr/local ./PruebaSumaParalela.out

and on the computer 10.4.5.126 I write:

mpirun -np 2 --host sofia@10.4.5.123,10.4.5.126 --prefix /usr/local ./PruebaSumaParalela.out

If I try only with the IP and  I write on the computer 10.4.5.123:

mpirun -np 2 --host 10.4.5.123,10.4.5.126 --prefix /usr/local ./PruebaSumaParalela.out

then the computer ask me the password of sofia@10.4.5.126 and then I type the password and does not work because the user is "edu" not "sofia".

I am trying to install dbx, if I can attach a debugger I will tell you.

Thank you very much.

Sofia

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