[petsc-users] Object is in wrong state, Matrix is missing diagonal entry

[Matthew Knepley]

On Mon, Mar 23, 2015 at 7:41 AM, Khai Pham <khaipham at utexas.edu> wrote:

> Dear Petsc-Users,
>
> I received the below error message. There could be some error in the
> matrix assembly and I try to find it out. Based on the error message, could
> you give me any hint where should I focus on for finding the bug ? Thanks
>

If you want to use ILU, we require that a diagonal element exists in the
matrix. If it is 0, you must explicitly
set the 0.

  Thanks,

     Matt


> Khai
>
>
> [2]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
> [2]PETSC ERROR: Object is in wrong state
> [2]PETSC ERROR: Matrix is missing diagonal entry 1
> [2]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
> for trouble shooting.
> [2]PETSC ERROR: Petsc Release Version 3.5.1, Jul, 24, 2014
> [2]PETSC ERROR: ./3DMMF on a arch-linux2-c-debug named khp by khp Mon Mar
> 23 08:24:40 2015
> [2]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
> --with-fc=gfortran --download-fblaslapack --download-mpich --download-hdf5
> --download-metis --download-parmetis
> [2]PETSC ERROR: #1 MatILUFactorSymbolic_SeqAIJ() line 1738 in
> /home/khp/bin/petsc-3.5.1/src/mat/impls/aij/seq/aijfact.c
> [2]PETSC ERROR: #2 MatILUFactorSymbolic() line 6203 in
> /home/khp/bin/petsc-3.5.1/src/mat/interface/matrix.c
> [2]PETSC ERROR: #3 PCSetUp_ILU() line 206 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/impls/factor/ilu/ilu.c
> [2]PETSC ERROR: #4 PCSetUp() line 902 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/interface/precon.c
> [2]PETSC ERROR: #5 KSPSetUp() line 305 in
> /home/khp/bin/petsc-3.5.1/src/ksp/ksp/interface/itfunc.c
> [2]PETSC ERROR: #6 PCSetUpOnBlocks_BJacobi_Singleblock() line 651 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/impls/bjacobi/bjacobi.c
> [2]PETSC ERROR: #7 PCSetUpOnBlocks() line 935 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/interface/precon.c
> [2]PETSC ERROR: #8 KSPSetUpOnBlocks() line 166 in
> /home/khp/bin/petsc-3.5.1/src/ksp/ksp/interface/itfunc.c
> [2]PETSC ERROR: #9 KSPSolve() line 418 in
> /home/khp/bin/petsc-3.5.1/src/ksp/ksp/interface/itfunc.c
> [2]PETSC ERROR: #10 SNESSolve_NEWTONLS() line 232 in
> /home/khp/bin/petsc-3.5.1/src/snes/impls/ls/ls.c
> [2]PETSC ERROR: #11 SNESSolve() line 3743 in
> /home/khp/bin/petsc-3.5.1/src/snes/interface/snes.c
> [2]PETSC ERROR: #12 PF_solver() line 63 in src/PF_solver.cpp
> [1]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
> [1]PETSC ERROR: Object is in wrong state
> [1]PETSC ERROR: Matrix is missing diagonal entry 0
> [1]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
> for trouble shooting.
> [1]PETSC ERROR: Petsc Release Version 3.5.1, Jul, 24, 2014
> [1]PETSC ERROR: ./3DMMF on a arch-linux2-c-debug named khp by khp Mon Mar
> 23 08:24:40 2015
> [1]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
> --with-fc=gfortran --download-fblaslapack --download-mpich --download-hdf5
> --download-metis --download-parmetis
> [1]PETSC ERROR: #1 MatILUFactorSymbolic_SeqAIJ() line 1738 in
> /home/khp/bin/petsc-3.5.1/src/mat/impls/aij/seq/aijfact.c
> [1]PETSC ERROR: #2 MatILUFactorSymbolic() line 6203 in
> /home/khp/bin/petsc-3.5.1/src/mat/interface/matrix.c
> [1]PETSC ERROR: #3 PCSetUp_ILU() line 206 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/impls/factor/ilu/ilu.c
> [1]PETSC ERROR: #4 PCSetUp() line 902 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/interface/precon.c
> [1]PETSC ERROR: #5 KSPSetUp() line 305 in
> /home/khp/bin/petsc-3.5.1/src/ksp/ksp/interface/itfunc.c
> [1]PETSC ERROR: #6 PCSetUpOnBlocks_BJacobi_Singleblock() line 651 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/impls/bjacobi/bjacobi.c
> [1]PETSC ERROR: #7 PCSetUpOnBlocks() line 935 in
> /home/khp/bin/petsc-3.5.1/src/ksp/pc/interface/precon.c
> [1]PETSC ERROR: #8 KSPSetUpOnBlocks() line 166 in
> /home/khp/bin/petsc-3.5.1/src/ksp/ksp/interface/itfunc.c
> [1]PETSC ERROR: #9 KSPSolve() line 418 in
> /home/khp/bin/petsc-3.5.1/src/ksp/ksp/interface/itfunc.c
> [1]PETSC ERROR: #10 SNESSolve_NEWTONLS() line 232 in
> /home/khp/bin/petsc-3.5.1/src/snes/impls/ls/ls.c
> [1]PETSC ERROR: #11 SNESSolve() line 3743 in
> /home/khp/bin/petsc-3.5.1/src/snes/interface/snes.c
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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