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Subject: Re: [OMPI users] MPI_Comm_accept()/connect() errors
From: Blesson Varghese (b.varghese_at_[hidden])
Date: 2009-10-01 07:00:57

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The following is the information regarding the error. I am running Open MPI
1.2.5 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.

- The output of the "ompi_info --all" is attached with the email

- PATH Variable:
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr
/local/maui/bin/:

- LD_LIBRARY_PATH variable was empty

- The following is the output of ifconfig on hpcc00 from where the error has
been generated:

eth0 Link encap:Ethernet HWaddr 00:12:3f:4c:2d:78

          inet addr:134.225.200.100 Bcast:134.225.200.255
Mask:255.255.255.0

          inet6 addr: fe80::212:3fff:fe4c:2d78/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

          RX packets:15912728 errors:0 dropped:0 overruns:0 frame:0

          TX packets:15312376 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:2951880321 (2.7 GB) TX bytes:2788249498 (2.5 GB)

          Interrupt:16

lo Link encap:Local Loopback

          inet addr:127.0.0.1 Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING MTU:16436 Metric:1

          RX packets:3507489 errors:0 dropped:0 overruns:0 frame:0

          TX packets:3507489 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:1794266658 (1.6 GB) TX bytes:1794266658 (1.6 GB)

Regards,

Blesson.

From: users-bounces_at_[hidden] [mailto:users-bounces_at_[hidden]] 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:

Hi,

I have been trying to execute the server.c and client.c program provided in
http://www.mpi-forum.org/docs/mpi21-report/node213.htm#Node213, 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,
Blesson.

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