This sounds like you have left a file open when using the MPI-2 I/O.
You need to MPI_File_close() any files you have opened.
On Fri, Sep 19, 2008 at 6:10 PM, Gabriele Fatigati <g.fatigati_at_[hidden]> wrote:
> i'm developing a C code under OpenMPI 1.2.5 with parallel I/O by MPI-2.
> I have a strange problem in the MPI_Finalize() routine. The code generates
> message reported below :
> *** An error occurred in MPI_Barrier
> *** after MPI was finalized
> *** MPI_ERRORS_ARE_FATAL (goodbye)
> In my code, i don't use MPI_Barrier. So, this error is caused by internal
> MPI_Barrier into MPI_Finalize. I've noted that if i disable MPI-2 I/O
> routine, application works well. Is there a strange effect of MPI_Finalize
> under MPI2 related MPI_File_open, MPI_File_close, MPI_File_Reat_at routines?
> Gabriele Fatigati
> CINECA Systems & Tecnologies Department
> Supercomputing Group
> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
> www.cineca.it Tel: +39 051 6171722
> users mailing list
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