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Problems with MPI

 

Dear All,
I am running Debian (testing) on my system but I managed to install Fenics by pulling the needed packaged from unstable (I'll spare the details unless they may prove useful).
However, when I try importing Dolfin, this is what happens


In [1]: from dolfin import *
*** The MPI_comm_size() function was called before MPI_INIT was invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
[garibaldi:17189] Abort before MPI_INIT completed successfully; not able to guarantee that all other processes were killed!

Is it a bug? What info am I supposed to provide you help you (and me) understand what is going on?
Many thanks

Lorenzo


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