[petsc-dev] New error in SNESComputeJacobianDefaultColor()

[Barry Smith]

  Can you add

PetscCallA(PetscSectionGetValueLayout(PETSC_COMM_WORLD, section, layout, ierr))

to line 276 of src/dm/imps/plex/tests/ex26f90.F90 and see if it runs ok?

Are you initializing layout or doing anything to it before your call to PetscSectionGetValueLayout()?


> On Jun 26, 2024, at 9:55 PM, Adrian Croucher <a.croucher at auckland.ac.nz> wrote:
> 
> hi Barry,
> 
> On 27/06/24 4:46 am, Barry Smith wrote:
>> Another issue arising from the tighter type checking. I have fixed the issue in the branch, again I rebased the branch so you cannot just git pull it (sorry).
> Thanks, that has fixed that issue. Now it seems another one is popping up with PetscSectionGetValueLayout(). With your PETSc branch I am getting intermittent runtime errors from it in my unit tests - see below. Could this be another interface problem? It hasn't happened until now. I've checked the variables going into PetscSectionGetValueLayout() and they look ok. But it seems to be complaining about the PetscLayout variable which comes out of this routine. I am calling it like this:
> 
> call PetscSectionGetValueLayout(PETSC_COMM_WORLD, section, layout, ierr)
> 
> where layout is a local variable declared as PetscLayout.
> 
> - Adrian
> 
> [0]PETSC ERROR: Null argument, when expecting valid pointer
> [0]PETSC ERROR: Null Pointer: Parameter # 3
> [0]PETSC ERROR: See https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!e25K8EL2DW9ZHLHJeufZAKiEICMHOT3bLVkbfuSm3_nAXXUx9QavH76oQ1aAI0e9mwy9C2Mdith40zFhwuUjcQ$  for trouble shooting.
> [0]PETSC ERROR: Petsc Development GIT revision: v3.21.2-274-g55d8e0067c3  GIT Date: 2024-06-20 10:02:08 -0400
> [0]PETSC ERROR: ./source_network_reinjector_test with PETSC_ARCH main-debug-barry on EN438880 by acro018 Thu Jun 27 12:00:00 2024
> [0]PETSC ERROR: Configure options: --with-x --download-hdf5 --download-zlib --download-netcdf --download-pnetcdf --download-exodusii --download-triangle --download-ptscotch --download-chaco --download-hypre
> [0]PETSC ERROR: #1 PetscSectionGetValueLayout() at /home/acro018/software/PETSc/code/src/vec/is/section/interface/section.c:1777
> [0]PETSC ERROR: #2 ../src/dm_utils.F90:401
> 
> 
> 
> -- 
> Dr Adrian Croucher
> Senior Research Fellow
> Department of Engineering Science
> Waipapa Taumata Rau / University of Auckland, New Zealand
> email: a.croucher at auckland.ac.nz <mailto:a.croucher at auckland.ac.nz>
> tel: +64 (0)9 923 4611

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