[petsc-users] (no subject)

[neok m4700]

Hi,

I built petsc 3.7.1 and petsc4py 3.7.0 (with openmpi 1.10.2) and ran the
examples in the demo directory.

$ python test_mat_ksp.py
=> runs as expected (serial)

$ mpiexec -np 2 python test_mat_ksp.py
=> fails with the following output:

Traceback (most recent call last):
  File "<...>/demo/kspsolve/test_mat_ksp.py", line 15, in <module>
    execfile('petsc-ksp.py')
  File "<...>/demo/kspsolve/test_mat_ksp.py", line 6, in execfile
    try: exec(fh.read()+"\n", globals, locals)
  File "<string>", line 15, in <module>
  File "PETSc/KSP.pyx", line 384, in petsc4py.PETSc.KSP.solve
(src/petsc4py.PETSc.c:153555)
petsc4py.PETSc.Error: error code 92
[0] KSPSolve() line 599 in <...>/src/ksp/ksp/interface/itfunc.c
[0] KSPSetUp() line 390 in <...>/src/ksp/ksp/interface/itfunc.c
[0] PCSetUp() line 968 in <...>/src/ksp/pc/interface/precon.c
[0] PCSetUp_ICC() line 21 in <...>/src/ksp/pc/impls/factor/icc/icc.c
[0] MatGetFactor() line 4240 in<...>/src/mat/interface/matrix.c
[0] You cannot overwrite this option since that will conflict with other
previously set options
[0] Could not locate solver package (null). Perhaps you must ./configure
with --download-(null)

<...>
-------------------------------------------------------
Primary job  terminated normally, but 1 process returned
a non-zero exit code.. Per user-direction, the job has been aborted.
-------------------------------------------------------
--------------------------------------------------------------------------
mpirun detected that one or more processes exited with non-zero status,
thus causing
the job to be terminated. The first process to do so was:

  Process name: [[23110,1],0]
  Exit code:    1
--------------------------------------------------------------------------


What have I done wrong ?
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