[petsc-dev] New error in SNESComputeJacobianDefaultColor()

[Adrian Croucher]

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!fRaplJiwdCJUDZJpDnl1P5EUaBCQOpN_tBSnlkHx2fyw4-vSeQYfrDZprMvuULe-z4MIYMJmr7ONh2xRki4aM1IpziPsgEA$  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
tel: +64 (0)9 923 4611
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