[mpich-discuss] help

Jayesh Krishna jayesh at mcs.anl.gov
Thu Jul 12 10:19:48 CDT 2012

 Can you run the programs in the <MPICH2-INSTALL-DIR>/examples ? Try compiling and running cpi.c (https://svn.mcs.anl.gov/repos/mpi/mpich2/trunk/examples/cpi.c) to see if MPICH2 works.
 If MPICH2 works you might have to check with the petsc folks for further information (Specific way to launch the test program etc).


----- Original Message -----
From: "Zahra Seifollahi" <zahraseifollahi2009 at gmail.com>
To: mpich-discuss at mcs.anl.gov
Sent: Friday, July 6, 2012 1:38:59 AM
Subject: [mpich-discuss] help


I've started working with petsc recently and I'm new to this. when I tried to run ex2 in C:\cygwin\packages\petsc-3. 2-p5\src\ksp\ksp\examples\ tutorials by this command : mpiexec np -1 ./ex2 I've got this massage. 

$ mpiexec -np 1 ./ex2 
[unset]: unable to decode hostport from 1731 
Fatal error in MPI_Init: Other MPI error 
[unset]: aborting job: 
Fatal error in MPI_Init: Other MPI error 

how can I deal with this problem? 
I don't have enough time to read all the FAQ, cause my deadline for my thesis is up to 2 months later and I found this package recently for using in my thesis. 
help me please. 

thanks in advance 

Zahra Seifollahi 
KNTU University of Technology 
Aerospace engineering 

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