Dear all, 

I am having an error when running more than 1 core (with MPI) in a similar 
implementation to step-40 when using a component wise ordering: 
DoFRenumbering::component_wise(dof_handler) in the setup_syste() function.



Is ii possible to do what I am trying to do?

Thank you




*Error:*

An error occurred in line <236> of file 
</zhome/32/9/115503/dealii-candi/tmp/unpack/deal.II-v9.3.1/source/lac/petsc_parallel_vector.cc>
 
in function

    void dealii::PETScWrappers::MPI::Vector::reinit(const 
dealii::IndexSet&, const dealii::IndexSet&, ompi_communicator_t* const&)

The violated condition was: 

    local.is_ascending_and_one_to_one(comm)

Additional information: 

    You are trying to use functionality in deal.II that is currently not

    implemented. In many cases, this indicates that there simply didn't

    appear much of a need for it, or that the author of the original code

    did not have the time to implement a particular case. If you hit this

    exception, it is therefore worth the time to look into the code to

    find out whether you may be able to implement the missing

    functionality. If you do, please consider providing a patch to the

    deal.II development sources (see the deal.II website on how to

    contribute).

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