EXTERNAL: Re: Problems using external packages Spooles and Hy pre with PETSc v2. 3.1

Barry Smith bsmith at mcs.anl.gov
Mon Jun 5 11:20:40 CDT 2006


   Stephen,

    Could you send us or post for us the matrix that causes the
crash? Send directly to Hong.

    Thanks,

     Barry


On Mon, 5 Jun 2006, Stephen R Ball wrote:

>
>
>
>
> Hi
>
> Your example runs OK, as do some of my other problems. But with some
> problems
> PETSc v2.3.1 fails while PETSc v2.3.0 works. I have attached the output from
> both PETSc versions for one of these problems. If you are interested,
> perhaps
> we could make arrangements for me sending you one of these problems.
>
> Regards
>
> Stephen
>
>
>
>
> -----Original Message-----
> From: Hong Zhang [mailto:hzhang at mcs.anl.gov]
> Sent: 02 June 2006 14:47
> To: petsc-users at mcs.anl.gov
> Subject: EXTERNAL: Re: Problems using external packages Spooles and Hypre
> with PETSc v2. 3.1
>
>
> Stephen,
>
>>
>> I am using Spooles downloaded from the PETSc ftp site and built into
>> PETSC_DIR/externalpackages. When solving a partcular problem I am
>> getting the error:
>>
>> MatFactorNumeric_MPIAIJSpooles line 199
>> src/mat/impls/aij/mpi/spooles/mpispooles.c
>> MatLUFactorNumeric line 2200 src/mat/interface/matix.c KSPSetUp line
>> 183 src/ksp/ksp/interface/itfunc.c KSPSolve line 305
>> src/ksp/ksp/interface/itfunc.c
>
> May I have the complete error message after the crash?
> Can you run
> ~petsc/src/ksp/ksp/examples/tutorials/ex5.c
> with the cmd:
>
> mpirun -np 2 ./ex5 -ksp_type preonly -pc_type lu -mat_type aijspooles?
>
> Hong
>
>>
>> The problem also occurs in serial.
>>
>> I am using Hypre v1.10.0b downloaded from the LLNL site and built
>> separatly to PETSc. When I have been using Pilut and Parasails as
>> either global problem preconditioners of as sub preconditioners for
>> ASM or BJACOBI, I have been getting errors indicating that there could
>> be a memory access out of range. I suspect that there may be a memory
>> overwrite or mismatch occuring somewhere. Note that BOOMERAMG and
>> EUCLID seem to work OK. Again these problems were not apparent when I
>> was using PETSc v2.3.0.
>>
>> Have there been any significant changes in the PETSc source that
>> handles Spooles and Hypre between versions 2.3.0 and 2.3.1 that could
>> be causing these problems? I don't really want to go back to using
>> PETSc v2.3.0 if I can help it. I don't know if it makes any
>> difference, but I am using the Fortran interface to PETSc.
>>
>> Hope you can help.
>>
>> Regards
>>
>> Stephen R. Ball
>> --
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