[petsc-users] DMUMPS_LOAD_RECV_MSGS

[Matthew Knepley]

On Thu, Feb 13, 2020 at 5:53 AM Perceval Desforges <
perceval.desforges at polytechnique.edu> wrote:

> Hello all,
>
> I have been running in a strange issue with petsc, and more specifically I
> believe Mumps is the problem.
>
> In my program, I run a loop where at the beginning of the loop I create an
> eps object, calculate the eigenvalues in a certain interval using the
> spectrum slicing method, store them, and then destroy the eps object. For
> some reason, whatever the problem size, if my loop has too many iterations
> (over 2040 I believe), the program will crash giving me this error :
>
>  Internal error 1 in DMUMPS_LOAD_RECV_MSGS           0
>
> application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
>
> I am running the program in MPI over 20 processes.
>
> I don't really understand what this message means, does anybody know?
>
An easy test would be to replace MUMPS with SuperLU and see if the error
persists.

  Thanks,

     Matt


> Best regards,
>
> Perceval
>


-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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