[petsc-users] petsc hangs

Matthew Knepley knepley at gmail.com
Fri Jul 24 10:21:40 CDT 2015

On Fri, Jul 24, 2015 at 10:16 AM, Aaron Kitzmiller <
akitzmiller at g.harvard.edu> wrote:

> I've been struggling with petsc builds in a couple of different contexts.
> The software seems to build OK, but when I try to run tests it hangs.  This
> is also crippling a related tool called PISM.
> I'm building on Centos 6.5 with gcc 4.8.2 and openmpi 1.8.3 and the system
> blas / lapack with the following configure line:
> ./configure --prefix=$HOME/petsc-install --download-superlu_dist
> --download-mumps --download-pastix --with-mpi-dir=$MPI_HOME
> --download-parmetis --download-metis --download-ptscotch
> --download-scalapack
> MPI_HOME is set by our module system to the root of the OpenMPI
> installation.
> I've also tried icc (15.0.0) with MKL and have the same problem.  Feels
> like it is something obvious, but can't figure it out.

1) Try running a test by hand

  cd $PETSC_DIR/src/snes/examples/tutorials
  make ex5
  ./ex5 -snes_monitor

2) If that runs, its an MPI problem. Can you run a standalone MPI job? I
suspect you need to understand
    how to run a job on your machine.



> ajk
> Aaron Kitzmiller
> Informatics and Scientific Applications
> aaron_kitzmiller at harvard.edu

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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