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Subject:	Re: OpenMPI Fails to Run
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From:	"Gery ." <gamejihou AT hotmail DOT com>
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Date:	Sun, 17 Aug 2014 02:22:19 +0200
To:	"Altman, Eric" <eric DOT altman AT yale DOT edu>
CC:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
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I recently installed cygwin64 in my windows 8.1 (like 3 days ago) and tried a program that has also worked in Linux and cygwin32, but it didn't work properly. So, I uninstalled the 64 and installed the 32, and it worked flawlessly. I have no idea why, but you could try the 32-bit instead.

HTH,

Gery

Sent from my iRon

On Aug 17, 2014, at 1:10, "Altman, Eric" <eric DOT altman AT yale DOT edu> wrote:

I am trying to run MPI programs under Cygwin64 version 1.15.1-4 with OpenMPI version 1.7.5-1.  The computer is an i7 running Windows 8.0.  I do not have any issues compiling programs, but I get the following errors trying to run hello_c.exe (https://github.com/hpc/cce-mpi-openmpi-1.6.4/tree/master/examples):

$ mpirun -np 4 hello_c.exe
[fsp-eng-jfn5kn1:03900] [[63491,0],0] CONNECTION REQUEST ON UNKNOWN INTERFACE
[fsp-eng-jfn5kn1:03900] [[63491,0],0] CONNECTION REQUEST ON UNKNOWN INTERFACE
[fsp-eng-jfn5kn1:03900] [[63491,0],0] CONNECTION REQUEST ON UNKNOWN INTERFACE
[fsp-eng-jfn5kn1:03900] [[63491,0],0] CONNECTION REQUEST ON UNKNOWN INTERFACE

I have all the packages it said to load (rsh, ssh, all versions of compilers and header files).
I have tried numerous things but always get this error.  I would appreciate any help in resolving it.

Thanks.



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