[petsc-dev] METIS update -> MUMPS crash

[Matthew Knepley]

On Sun, Sep 1, 2013 at 1:07 PM, Satish Balay <balay at mcs.anl.gov> wrote:

> I see the errors with valgrind - and I don't know the reason.  Perhaps
> we should revert the metis/parmetis upgrade.. [unless someone can debug
> this..]
>
> valgrind doesn't give errors with the older metis-5.0.2
>

This looks like a MUMPS bug. I guess we should report to them that they are
not
actually compatible with the latest METIS release.

    Matt


> Satish
> -----------
>
>
> On Sun, 1 Sep 2013, Garth N. Wells wrote:
>
> > I've been having trouble with MUMPS crashing since METIS was recently
> updated in
> >
> >     https://bitbucket.org/petsc/petsc/commits/67125ba
> >
> > The problem does not appear for very small problems, but for other
> > problems it does. I can reproduce a crash with ex55
> > (src/ksp/ksp/examples/tutorials/ex55.c):
> >
> >     ./ex55 -ksp_type preonly -pc_type lu -pc_factor_mat_solver_package
> > mumps -ksp_view -ne 128
> >
> > For 'ne' less than about 50 it runs fine but crashes for anything
> > bigger. Changing the LU solver to another package it runs fine.
> > Backtrace below. The message
> >
> >     http://www.mail-archive.com/petsc-users@mcs.anl.gov/msg17695.html
> >
> > looks to be related.
> >
> > Garth
> >
> > ======= Backtrace: =========
> > /lib/x86_64-linux-gnu/libc.so.6(+0x80a46)[0x7f877c6f4a46]
> >
> /home/garth/local/src/petsc-test/arch-linux2-c-debug/lib/libmetis.so(gk_gkmcorePop+0x81)[0x7f877be7fcae]
> >
> /home/garth/local/src/petsc-test/arch-linux2-c-debug/lib/libmetis.so(gk_malloc_cleanup+0x3f)[0x7f877be6c418]
> >
> /home/garth/local/src/petsc-test/arch-linux2-c-debug/lib/libmetis.so(METIS_NodeND+0x6de)[0x7f877be9fa02]
> >
> /home/garth/local/src/petsc-test/arch-linux2-c-debug/lib/libmetis.so(metis_nodend_+0x48)[0x7f877be94ba8]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(dmumps_195_+0x3720)[0x7f877e67ac40]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(dmumps_26_+0x279c)[0x7f877e553d30]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(dmumps_+0x2022)[0x7f877e638756]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(dmumps_f77_+0x16eb)[0x7f877e51a567]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(dmumps_c+0x12a5)[0x7f877e4f2fed]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(MatLUFactorSymbolic_AIJMUMPS+0xa88)[0x7f877dc00d11]
> >
> /home/garth/local/gcc/petsc-test/lib/libpetsc.so(MatLUFactorSymbolic+0xb61)[0x7f877db6a82f]
> > /home/garth/local/gcc/petsc-test/lib/libpetsc.soAborted (core dumped)
> >
>



-- 
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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