The bool datatype in smaller than an MPI_INT so this lead to an overlap in the arguments to MPI_Allreduce
The bool datatype in smaller than an MPI_INT so this lead to an overlap in the arguments to MPI_Allreduce

mfem/mfem,mfem/mfem,mfem/mfem,mfem/mfem,mfem/mfem