[petsc-dev] [Fortran] MatLoad() error: MatLoad is not supported for type: mpiaij!

[Leo van Kampenhout]

Using a DA, of equal size and type as the other one. The curious thing is
that there are no problems on a single core run. (but that is not what I
want ;)



2010/9/1 Barry Smith <bsmith at mcs.anl.gov>

>
>    Did you get the matrix in the writer code using a DA or some other code
> that puts the vector from the 2d or 3d problem in the natural ordering on
> the binary file.
>
>    Barry
>
> On Sep 1, 2010, at 9:55 AM, Leo van Kampenhout wrote:
>
> Hi all,
>
> I'm having trouble with MatLoad on Petsc-Dev. Not sure if this problem also
> exists in the main PETSc 3.1 since my code won't compile on that.
> The problematic calls are as follows:
>
>       call PetscViewerBinaryOpen(PETSC_COMM_WORLD,file2,
>      &     FILE_MODE_READ,fd,ierr)
>       call DAGetMatrix(da,MATMPIAIJ,A,ierr)
>       call MatLoad(A,fd,ierr)
>
> which supposedly will load a matrix A which is stored by the following
> commands:
>
>       call PetscViewerBinaryOpen(PETSC_COMM_WORLD,file2,
>      &     FILE_MODE_WRITE,fd,ierr)
>       call MatView(A,fd,ierr)
>
> by another program (on a single core). The MatLoad() does work perfectly on
> a single core, however two or more cores make the program crash with the
> following error (see below)
> The programcall is
>  mpirun -n 2 ./main
>
> Is something broken with Petsc or do I need to set some extra parameters?
> Thanks in advance,
>
> Leo van Kampenhout
>
> PS. I'm using a build from last friday, since when I updated petsc-dev
> today using Mercurial I couldnt get it to configure or compile :S (which is
> another subject)
>
>
> [0]PETSC ERROR: --------------------- Error Message
> ------------------------------------
> [0]PETSC ERROR: No support for this operation for this object type!
> [0]PETSC ERROR: MatLoad is not supported for type: mpiaij!
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: Petsc Development HG revision:
> 84fec3ca75412473b06251029b58f2a68f1334f3  HG Date: Fri Aug 27 07:06:08 2010
> +0200
> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
> [0]PETSC ERROR: See docs/index.html for manual pages.
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: ./main on a arch-linu named wingtip72 by csg4035 Wed Sep  1
> 15:52:11 2010
> [0]PETSC ERROR: Libraries linked from
> /net/users/csg/csg4035/install/petsc-dev/arch-linux-gnu-c-debug/lib
> [0]PETSC ERROR: Configure run at Fri Aug 27 08:37:32 2010
> [0]PETSC ERROR: Configure options
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: MatLoad() line 843 in src/mat/interface/matrix.c
>
>
>
>
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