[mpich-discuss] Problem with MPICH2 v1.0.8 on WindowsXP

Jayesh Krishna jayesh at mcs.anl.gov
Mon Dec 15 11:20:51 CST 2008

  Do you have a user Ondrej on the second machine (Do you have a different
password for the user Ondrej on the second machine ?) ? Can you run an MPI
program on the second machine (Login to the second host, shrek, and run an
MPI program) ?


-----Original Message-----
From: mpich-discuss-bounces at mcs.anl.gov
[mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of pisoir
Sent: Sunday, December 14, 2008 6:12 PM
To: mpich-discuss at mcs.anl.gov
Subject: [mpich-discuss] Problem with MPICH2 v1.0.8 on WindowsXP


I have one problem on Windows XP SP3 and I'm starting to feel really
desperate now. Thanks to help of this: 
I was able to get over the validation of mpiexec (mpiexec -validate
returned SUCCESS). Anyway, if I want to run even the simplest program
possible,i.e.  mpiexec -host second_host hostname, I always get the error:

Credentials for Ondrej rejected connecting to shrek
Aborting: Unable to connect to shrek

(Ondrej is the name of first computer, shrek is the name of second). If I
do "smpd -status shrek" (from Ondrej computer), I get:

smpd running on shrek

So it seems that everything is ok. I turned off the firewalls, I can ping
each other and also the shared folders are accessible from both computers.
Just the mpi is not running as it should. I reinstalled
mpich2 and rebooted computer so many times, that it couldn't be
reinstalled and rebooted any more. Does anyone have some similar problems
or at least have any clue how to solve this? Thanks.

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