[dune-pdelab] problem with nonoverlapping linear solvers

[Carlos Cueto Camejo]

Hi,

I have problems with the nonoverlapping linear solvers in the attached  
test case.
My dune version latest version of all dune core modules and latest  
pdelab version from
GIT repo.

Operating system is : Opensuse 13.2
g++ : 4.8.2
MPICH: 3.1.3

1) Dune::PDELab::ISTLBackend_NOVLP_BCGS_SSORk works well on sinlge CPU.
Solver produces explodes if I use more than 1 cpu.

2) There are some compilation issues with Jacobi preconditioner.
(Please uncomment out line 243 in the attached file)

(this attached tets example is modified from testpoisson.cc in  
pdelab/test directory)

Please let me know if you need more information.
  Thank you for looking up the issue.

PS: this test example works well with older version (dune-2.3.1)

Best regards and thanks in advance,
Carlos.

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