Re: [petsc-users] Sorted CSR Matrix and Multigrid PC.

[Mark Adams]

>
>
> >
> >   call PCCreate(PETSC_COMM_WORLD,mg,ierr) !Create preconditioner context
> >   call PCSetType(mg,PCGAMG,ierr)
> >    call PCGAMGSetType(mg,PCGAMGAGG,ierr)  !ERROR: 11 SEGV: Segmentation
> Violation | IS MY PETSC CORRUPTED? gamg.h empty
>
>     This should work ok. Send a complete file we can compile and run that
> crashes like this.
>
>
I would reconfigure your PETSc from scratch by deleting the whole
architecture directory $PETSC_DIR/$PETSC_ARCH, the configure, make.