[petsc-dev] [petsc4py] Broken tests for DMStag

[Patrick Sanan]

Ah, okay, so unless something weird is going on, that probably should never
have passed (if it's asking for periodic BCs with one rank in a given
direction, and INSERT_VALUES, so it's not well-defined which of the
multiple local dof mapping to a given global dof should be used). I'll try
to reproduce and fix it and/or talk to Chris.

Am Mi., 12. Juni 2019 um 18:27 Uhr schrieb Balay, Satish via petsc-dev <
petsc-dev at mcs.anl.gov>:

> On Wed, 12 Jun 2019, Lisandro Dalcin via petsc-dev wrote:
>
> > $ python test/runtests.py -v -i dmstag TestDMStag_2D_PXY
> > [0 at kl-18232] Python 2.7 (/usr/local/opt/python at 2/bin/python2.7)
> > [0 at kl-18232] PETSc 3.11.2 development (conf: 'arch-darwin-c-debug')
> > [0 at kl-18232] petsc4py 3.11.0
> (build/lib.macosx-10.14-x86_64-2.7/petsc4py)
> > testCoordinates (test_dmstag.TestDMStag_2D_PXY) ... ERROR
> > testDMDAInterface (test_dmstag.TestDMStag_2D_PXY) ... ERROR
> > testDof (test_dmstag.TestDMStag_2D_PXY) ... ok
> > testGetOther (test_dmstag.TestDMStag_2D_PXY) ... ok
> > testGetVec (test_dmstag.TestDMStag_2D_PXY) ... ERROR
> > testMigrateVec (test_dmstag.TestDMStag_2D_PXY) ... ERROR
>
> I get:
>
> ======================================================================
> ERROR: testCoordinates (test_dmstag.TestDMStag_2D_PXY)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "test/test_dmstag.py", line 39, in testCoordinates
>     self.da.setUniformCoordinates(0,1,0,1,0,1)
>   File "PETSc/DMStag.pyx", line 255, in
> petsc4py.PETSc.DMStag.setUniformCoordinates
> Error: error code 56
> [0] DMStagSetUniformCoordinates() line 1077 in
> /home/balay/petsc.z/src/dm/impls/stag/stagutils.c
> [0] DMStagSetUniformCoordinatesExplicit() line 1118 in
> /home/balay/petsc.z/src/dm/impls/stag/stagutils.c
> [0] DMStagSetUniformCoordinatesExplicit_2d() line 135 in
> /home/balay/petsc.z/src/dm/impls/stag/stag2d.c
> [0] DMLocalToGlobalBegin() line 2614 in
> /home/balay/petsc.z/src/dm/interface/dm.c
> [0] DMLocalToGlobalBegin_Stag() line 230 in
> /home/balay/petsc.z/src/dm/impls/stag/stag.c
> [0] No support for this operation for this object type
> [0] Local to Global scattering with INSERT_VALUES is not supported for
> single rank in a direction with boundary conditions (e.g. periodic)
> inducing a non-injective local->global map. Either change the boundary
> conditions, use a stencil width of zero, or use more than one rank in the
> relevant direction (e.g. -stag_ranks_x 2)
>
> Satish
>
>
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