[petsc-users] error with version 3.17.1

Pierre Jolivet pierre at joliv.et
Tue May 3 11:14:45 CDT 2022

Please send to petsc-maint at mcs.anl.gov <mailto:petsc-maint at mcs.anl.gov>
I’ll have a look, I introduced that check.


> On 3 May 2022, at 5:39 PM, Randall Mackie <rlmackie862 at gmail.com> wrote:
> Dear PETSc team:
> A part of our code that has worked for years and previous versions is now failing with the latest version 3.17.1, on the KSP solve with the following error:
> [0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
> [0]PETSC ERROR: Invalid argument
> [0]PETSC ERROR: Block size 3 is incompatible with the indices: non consecutive indices 153055 153124
> [0]PETSC ERROR: See https://petsc.org/release/faq/ <https://fra01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpetsc.org%2Frelease%2Ffaq%2F&data=05%7C01%7CRandall.Mackie%40CGG.com%7C323fb230ca4f45d45c7408da2d18c44e%7C307ea68275e14701a1146c42f9ff0d24%7C0%7C0%7C637871881639501468%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3iAxFsi8wDXPcxKRBVFotn7DpoVNc9%2Fq60r%2F57nn7Lw%3D&reserved=0> for trouble shooting.
> [0]PETSC ERROR: Petsc Release Version 3.17.1, Apr 28, 2022 
> [0]PETSC ERROR: ./test on a linux-gfortran-complex-debug named rmackie-VirtualBox by rmackie Tue May  3 08:12:15 2022
> [0]PETSC ERROR: Configure options --with-clean=1 --with-scalar-type=complex --with-debugging=1 --with-fortran=1 --download-mpich=../external/mpich-4.0.1.tar.gz
> [0]PETSC ERROR: #1 ISSetBlockSize() at /home/rmackie/PETSc/petsc-3.17.1/src/vec/is/is/interface/index.c:1898
> [0]PETSC ERROR: #2 MatIncreaseOverlap() at /home/rmackie/PETSc/petsc-3.17.1/src/mat/interface/matrix.c:7086
> [0]PETSC ERROR: #3 PCSetUp_ASM() at /home/rmackie/PETSc/petsc-3.17.1/src/ksp/pc/impls/asm/asm.c:238
> [0]PETSC ERROR: #4 PCSetUp() at /home/rmackie/PETSc/petsc-3.17.1/src/ksp/pc/interface/precon.c:990
> [0]PETSC ERROR: #5 KSPSetUp() at /home/rmackie/PETSc/petsc-3.17.1/src/ksp/ksp/interface/itfunc.c:407
> [0]PETSC ERROR: #6 KSPSolve_Private() at /home/rmackie/PETSc/petsc-3.17.1/src/ksp/ksp/interface/itfunc.c:843
> [0]PETSC ERROR: #7 KSPSolve() at /home/rmackie/PETSc/petsc-3.17.1/src/ksp/ksp/interface/itfunc.c:1078
> I have a small test program with binary matrix and right hand side that will show the problem and I can send it as a zip file, please advise what email address to use or where to send it.
> Thanks, 
> Randy M.

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