[petsc-users] Error while calling a fieldsplit preconditioner containing a mg/gamg preconditioner

[Lawrence Mitchell]

> On 21 Nov 2014, at 16:55, Luc Berger-Vergiat <lb2653 at columbia.edu> wrote:
> 
> Sure, so with gamg (which was my first choice too), I get the following:
> 
> [0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
> [0]PETSC ERROR:   
> [0]PETSC ERROR: Must call DMShellSetGlobalVector() or         DMShellSetCreateGlobalVector()
> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
> [0]PETSC ERROR: Petsc Release Version 3.5.2, Sep, 08, 2014 
> [0]PETSC ERROR: /home/luc/research/feap_repo/ShearBands/parfeap/feap on a arch-opt named euler by

I wonder if this is the same problem described here https://bitbucket.org/petsc/petsc/pull-request/221

Where the ksp contains an inactive dmshell that doesn't know how to create vectors 

Lawrence
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