Puzzling error

[Kevin Ellwood]

Hi and thanks.  Are there any example for the usage of these calls?

On Fri, Jul 25, 2008 at 5:21 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>  Kevin,
>
>   Make sure KSPRegisterAll() is called and that KSPRegister() is called
> specifically for KSPGMRES
>
>   Barry
>
>
> On Jul 25, 2008, at 4:12 PM, Kevin Ellwood wrote:
>
>  Hi All,
>>
>> I am trying to resurrect an old FEM code of mine that was based on a very
>> early version of PETSC (ie. 2.0.x).  I am go through all the changes and I
>> am pretty sure I have some issue to get through.  However, this set of
>> errors below from an early test run are puzzling me.  The relevant lines of
>> code are shown for setting two type of solvers.  Both generate an error
>> message indicating the Petsc can't find the KSP type once the KSPSolve is
>> called.   It seems odd that I can get such an error since  KSPBCGS and
>> KSPGMRES are define in petsc header files and can't be typos or
>> miss-spellings.
>>
>> I know I messed up somewhere.  Does anyone have advice as to where I
>> should start looking?
>>
>> Thanks
>> Kevin
>>
>>
>>         KSPSetType(ksp_solver,KSPBCGS);
>>         ierr = KSPSolve(ksp_solver, rhs, b); CHKERRQ(ierr);
>>
>> [0]PETSC ERROR: --------------------- Error Message
>> ------------------------------------
>> [0]PETSC ERROR: Unknown type. Check for miss-spelling or missing external
>> package needed for type!
>> [0]PETSC ERROR: Unable to find requested KSP type bcgs!
>>
>>
>>         KSPSetType(ksp_solver,KSPGMRES);
>>         ierr = KSPSolve(ksp_solver, rhs, b); CHKERRQ(ierr);
>>
>> [0]PETSC ERROR: --------------------- Error Message
>> ------------------------------------
>> [0]PETSC ERROR: Unknown type. Check for miss-spelling or missing external
>> package needed for type!
>> [0]PETSC ERROR: Unable to find requested KSP type gmres!
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: Petsc Release Version 2.3.3, Patch 3, Fri Jun 15 16:51:25
>> CDT 2007 HG revision: f051789beadcd36f77fb6111d20225e26ed7cc0d
>>
>>
>
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