Yes, I just reproduced it on my workstation picking up from a cleanly completed job.

cheers

--cjc

On 1 November 2016 at 09:29, Mitchell, Lawrence <lawrence.mitchell@imperial.ac.uk> wrote:

On 01/11/16 08:44, Colin Cotter wrote:
> Dear all,
>   What does this message mean:


No idea.  Do you have a simple to reproduce test case?  E.g., does it
happen on systems other than archer?

Lawrence

> petsc4py.PETSc.Error: error code 77
> [147] SNESSolve() line 4060 in
> /home2/y07/y07/fdrake/petsc/src/snes/interface/snes.c
> [147] SNESSolve_KSPONLY() line 40 in
> /home2/y07/y07/fdrake/petsc/src/snes/impls/ksponly/ksponly.c
> [147] KSPSolve() line 659 in
> /home2/y07/y07/fdrake/petsc/src/ksp/ksp/interface/itfunc.c
> [147] KSPSolve_GMRES() line 239 in
> /home2/y07/y07/fdrake/petsc/src/ksp/ksp/impls/gmres/gmres.c
> [147] KSPInitialResidual() line 69 in
> /home2/y07/y07/fdrake/petsc/src/ksp/ksp/interface/itres.c
> [147] KSP_PCApply() line 245 in
> /home2/y07/y07/fdrake/petsc/include/petsc/private/kspimpl.h
> [147] PCApply() line 482 in
> /home2/y07/y07/fdrake/petsc/src/ksp/pc/interface/precon.c
> [147] PCApply_FieldSplit_Schur() line 921 in
> /home2/y07/y07/fdrake/petsc/src/ksp/pc/impls/fieldsplit/fieldsplit.c
> [147] KSPSolve() line 602 in
> /home2/y07/y07/fdrake/petsc/src/ksp/ksp/interface/itfunc.c
> [147] KSPSetUp() line 393 in
> /home2/y07/y07/fdrake/petsc/src/ksp/ksp/interface/itfunc.c
> [147] PCSetUp() line 968 in
> /home2/y07/y07/fdrake/petsc/src/ksp/pc/interface/precon.c
> [147] PCSetUp_GAMG() line 526 in
> /home2/y07/y07/fdrake/petsc/src/ksp/pc/impls/gamg/gamg.c
> [147] PCGAMGCoarsen_AGG() line 1001 in
> /home2/y07/y07/fdrake/petsc/src/ksp/pc/impls/gamg/agg.c
> [147] smoothAggs() line 333 in
> /home2/y07/y07/fdrake/petsc/src/ksp/pc/impls/gamg/agg.c
> [147] Petsc has generated inconsistent data
> [147] !(matA_1 && !matA_1->compressedrow.use)
>
> I received it when trying to restart a parallel job from a checkpoint
> on Archer.
>
> cheers
> --cjc
>
> --
> http://www.imperial.ac.uk/people/colin.cotter
>

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