petsc error
Hello, I am using ubuntu 20.04 compiling this repo.When I run gmsh-fem\examples\helmholtz2d\waveguide\longitudinal
example ,it occurs errors:
[0]PETSC ERROR: #1 PetscCommDuplicate() line 118 in /petsc-3.14.4/src/sys/objects/tagm.c
[0]PETSC ERROR: #2 PetscHeaderCreate_Private() line 63 in /petsc-3.14.4/src/sys/objects/inherit.c
[0]PETSC ERROR: #3 KSPCreate() line 687 in /petsc-3.14.4/src/ksp/ksp/interface/itcreate.c
But I don't know the reason
Edited by jack