Thanks for your reply.


I am running MPI 2.0 on Ubuntu 4.2.4, kernel version 2.6.24.


I ran the server program as mpirun –np 1 server. This program gave me the output port as 0.1.0:2000. I used this port name value as the command line argument for the client program: mpirun –np 1 client 0.1.1:2000





From: [] On Behalf Of Ralph Castain
Sent: 29 September 2009 23:59
To: Open MPI Users
Subject: Re: [OMPI users] MPI_Comm_accept()/connect() errors


I will ask the obvious - what version of Open MPI are you running? In what environment? What was your command line?




On Sep 29, 2009, at 3:50 PM, Blesson Varghese wrote:



I have been trying to execute the server.c and client.c program provided in, using accept() and connect() function in MPI. However, the following errors are generated.


[hpcc00:16522] *** An error occurred in MPI_Comm_connect

[hpcc00:16522] *** on communicator MPI_COMM_WORLD

[hpcc00:16522] *** MPI_ERR_INTERN: internal error

[hpcc00:16522] *** MPI_ERRORS_ARE_FATAL (goodbye)


Could anybody please help me?


Many thanks,

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