Hi all,<br><br>I am using mpich-1.2.4 on AIX cluster.<br>I have a program which is terminating after the following error.<br><br><br>0 - MPI_COMM_RANK : Null communicator<br>[0] Aborting program !<br>[0] Aborting program!
<br>p0_51120: p4_error: : 197<br><br>I run it by -np 2 option. Both are executing the MPI_Init() call. And the version of MPICH is same for compilation and running.<br>But still I get this problem.<br><br>I 'm not able find the source of the problem , so seeking some experienced people help.
<br><br>Thanks in Advance.<br> \\\\\\ //////<br> / \<br> | \\ // |<br> ( | (.) (.) |)<br>----o00o---(_)---o00o-----------------<br><br>Cheers,<br>Ravi.Thati<br>Our attempts may fail but we should not fail to attempt.
<br>-----ooo0-------------------------------<br> ( ) 0ooo<br> \ ( ( )<br> \__) ) /<br> (__/