[petsc-users] How to understand these error messages

[Matthew Knepley]

On Fri, Jun 21, 2013 at 5:16 AM, Fande Kong <fd.kong at siat.ac.cn> wrote:

> Hi all,
>
> How to understand this error message? Some things about mpi or something
> else?
>

This says that you are trying to send values to a negative MPI rank. This
has to be a
memory overwrite somewhere in your code I think.

   Matt


> [3229]PETSC ERROR: --------------------- Error Message
> ------------------------------------
> [3229]PETSC ERROR: Petsc has generated inconsistent data!
> [3229]PETSC ERROR: Negative MPI source!!
> [3229]PETSC ERROR:
> ------------------------------------------------------------------------
> [3229]PETSC ERROR: Petsc Release Version 3.4.1, unknown
> [3229]PETSC ERROR: See docs/changes/index.html for recent updates.
> [3229]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
> [3229]PETSC ERROR: See docs/index.html for manual pages.
> [3229]PETSC ERROR:
> ------------------------------------------------------------------------
> [3229]PETSC ERROR: ./linearElasticity on a arch-linux2-cxx-opt named
> ys0850 by fandek Thu Jun 20 07:41:52 2013
> [3229]PETSC ERROR: Libraries linked from
> /glade/p/work/fandek/petsc/arch-linux2-cxx-opt/lib
> [3229]PETSC ERROR: Configure run at Thu Jun 20 06:23:01 2013
> [3229]PETSC ERROR: Configure options --with-valgrind=1
> --with-clanguage=cxx --with-shared-libraries=1 --with-dynamic-loading=1
> --download-f-blas-lapack=1 --with-mpi=1 --download-parmetis=1
> --download-metis=1 --with-64-bit-indices=1 --download-netcdf=1
> --download-exodusii=1 --download-ptscotch=1 --download-hdf5=1
> --with-debugging=no
> [3229]PETSC ERROR:
> ------------------------------------------------------------------------
> [3229]PETSC ERROR: MatStashScatterGetMesg_Private() line 632 in
> /src/mat/utilsmatstash.c
> [3229]PETSC ERROR: MatAssemblyEnd_MPIAIJ() line 676 in
> /src/mat/impls/aij/mpimpiaij.c
> [3229]PETSC ERROR: MatAssemblyEnd() line 4939 in /src/mat/interfacematrix.c
> [3229]PETSC ERROR: SpmcsDMMeshCreatVertexMatrix() line 65 in
> meshreorder.cpp
> [3229]PETSC ERROR: SpmcsDMMeshReOrderingMeshPoints() line 125 in
> meshreorder.cpp
> [3229]PETSC ERROR: CreateProblem() line 59 in preProcessSetUp.cpp
> [3229]PETSC ERROR: DMmeshInitialize() line 76 in mgInitialize.cpp
>
>
> The details of the messages are attached. And log files for configure and
> make are also attached.
>
> Regards,
> --
> Fande Kong
> ShenZhen Institutes of Advanced Technology
> Chinese Academy of Sciences
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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