On 10/28/2016 09:55 AM, RAJAT ARORA wrote:

I am just calling  dealii::Utilities::MPI::MPI_InitFinalize
mpi_initialization(argc, argv, 1) once.
I am not making an explicit call to MPI_Init anywhere.

Yes, calling MPI_InitFinalize is enough.


Should I reinstall my mpi library ? Does deal.ii will also need to be
recompiled then ?

I don't know. You say that it suddenly stopped working. Did it work correctly before? What has changed in the meantime?

Best
 W.



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Wolfgang Bangerth          email:                 [email protected]
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