ok...Thank you so much sir On Wed, May 9, 2018 at 11:13 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com > wrote:
> It looks like you're getting a segv when calling MPI_Comm_rank(). > > This is quite unusual -- MPI_Comm_rank() is just a local lookup / return > of an integer. If MPI_Comm_rank() is seg faulting, it usually indicates > that there's some other kind of memory error in the application, and this > seg fault you're seeing is just a symptom -- it's not the real problem. It > may have worked with Intel MPI by chance, or for some reason, Intel MPI has > a different memory pattern than Open MPI and it didn't happen to trigger > this exact problem. > > You might want to run your application through a memory-checking debugger. > > > > > On May 9, 2018, at 11:39 AM, Ankita m <ankitamait...@gmail.com> wrote: > > > > yes. Because previously i was using intel-mpi. That time the program was > running perfectly. Now when i use openmpi this shows this error > files...Though i am not quite sure. I just thought if the issue will be for > Openmpi then i could get some help here. > > > > On Wed, May 9, 2018 at 6:47 PM, Gilles Gouaillardet < > gilles.gouaillar...@gmail.com> wrote: > > Ankita, > > > > Do you have any reason to suspect the root cause of the crash is Open > MPI ? > > > > Cheers, > > > > Gilles > > > > > > On Wednesday, May 9, 2018, Ankita m <ankitamait...@gmail.com> wrote: > > MPI "Hello World" program is also working > > > > please see this error file attached below. its of a different program > > > > On Wed, May 9, 2018 at 4:10 PM, John Hearns via users < > users@lists.open-mpi.org> wrote: > > Ankita, looks like your program is not launching correctly. > > I would try the following: > > define two hosts in a machinefile. Use mpirun -np 2 machinefile date > > Ie can you use mpirun just to run the command 'date' > > > > Secondly compile up and try to run an MPI 'Hello World' program > > > > > > On 9 May 2018 at 12:28, Ankita m <ankitamait...@gmail.com> wrote: > > I am using ompi -3.1.0 version in my program and compiler is mpicc > > > > its a parallel program which uses multiple nodes with 16 cores in each > node. > > > > but its not working and generates a error file . i Have attached the > error file below. > > > > can anyone please tell what is the issue actually > > > > _______________________________________________ > > users mailing list > > users@lists.open-mpi.org > > https://lists.open-mpi.org/mailman/listinfo/users > > > > > > _______________________________________________ > > users mailing list > > users@lists.open-mpi.org > > https://lists.open-mpi.org/mailman/listinfo/users > > > > > > _______________________________________________ > > users mailing list > > users@lists.open-mpi.org > > https://lists.open-mpi.org/mailman/listinfo/users > > > > _______________________________________________ > > users mailing list > > users@lists.open-mpi.org > > https://lists.open-mpi.org/mailman/listinfo/users > > > -- > Jeff Squyres > jsquy...@cisco.com > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users >
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