[petsc-users] Can anyone guess the possible reason of the following errors?

Matthew Knepley knepley at gmail.com
Mon Dec 3 12:41:16 CST 2012


On Mon, Dec 3, 2012 at 12:38 PM, Fande Kong <fande.kong at colorado.edu> wrote:
> Hi all,
>
> Can anyone guess the possible reason of the following errors:
>
>
> [0]PETSC ERROR: PetscGatherMessageLengths() line 133 in
> src/sys/utils/mpimesg.c
> [0]PETSC ERROR: VecScatterCreate_PtoP() line 2188 in
> src/vec/vec/utils/vpscat.c
> [0]PETSC ERROR: VecScatterCreate() line 1431 in src/vec/vec/utils/vscat.c

Partial error messages are generally not helpful.

   Matt

> I have been working for several days to figure out the reason, but now I
> still get nothing.  I use Petsc-3.3-p3 based on the mvapich2-1.6. I tried to
> use vecscatter to distribute the mesh. When the mesh was small, everything
> was ok. But when the mesh became larger about 14,000,000 elements, I got the
> above errors.
>
> --
> Fande Kong
> Department of Computer Science
> University of Colorado at Boulder
>
>



--
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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