error when meshing a small compound triangular surface
I am meshing a compound surface that is a triangular planar surface. The error occurs if the mesh size is larger than roughly the triangle size. An example geo file is attached, I am getting an error:
[0]PETSC ERROR: Object is in wrong state
[0]PETSC ERROR: Not for unassembled matrix
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.7.5, Jan, 01, 2017
[0]PETSC ERROR: gmsh on a complex_mumps_seq named wrkstn by mkordy Mon May 15 22:27:39 2017
[0]PETSC ERROR: Configure options --with-clanguage=cxx --with-debugging=0 --with-mpi=0 --with-mpiuni-fortran-binding=0 --download-mumps=yes --with-mumps-serial --with-shared-libraries=0 --with-x=0 --with-ssl=0 --with-blas-lapack-lib="/usr/local/lib/libblas.a -lpthread" --with-scalar-type=complex
[0]PETSC ERROR: #1 (closed) MatGetOrdering() line 189 in /home/geuzaine/src/petsc-3.7.5/src/mat/order/sorder.c
[0]PETSC ERROR: #2 (closed) PCSetUp_ILU() line 203 in /home/geuzaine/src/petsc-3.7.5/src/ksp/pc/impls/factor/ilu/ilu.c
[0]PETSC ERROR: #3 (closed) PCSetUp() line 968 in /home/geuzaine/src/petsc-3.7.5/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #4 (closed) KSPSetUp() line 390 in /home/geuzaine/src/petsc-3.7.5/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #5 (closed) KSPSolve() line 599 in /home/geuzaine/src/petsc-3.7.5/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #6 (closed) _try() line 14 in /home/geuzaine/src/gmsh/Solver/linearSystemPETSc.hpp
I am running Gmsh version:
petsc-maint@mcs.anl.gov http://www.mcs.anl.gov/petsc/ See docs/changes/index.html for recent updates. See docs/faq.html for problems. See docs/manualpages/index.html for help. libraries linked from /home/geuzaine/src/petsc-3.7.5/complex_mumps_seq/lib
Petsc Release Version 3.7.5, Jan, 01, 2017 The PETSc Team3.0.1
Thank you for your help!!!
Michal