petsc(4py) >3.20.3 crashes when running tests in parallel:

[guyer]

petsc(4py) 3.20.3 crashes the test suite

mesh2D (examples.cahnHilliard)
Doctest: examples.cahnHilliard.mesh2D ...  Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1
 Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1
 Internal error 2 in DMUMPS_LOAD_RECV_MSGS  1275068685          52
 Internal error 1 in DMUMPS_LOAD_PROCESS_MESSAGE
 Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 1 (rank 1 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 1
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
Abort(-99) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, -99) - process 0
 Internal error 1 in DMUMPS_LOAD_PROCESS_MESSAGE
 Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1
 Internal error 2 in DMUMPS_LOAD_RECV_MSGS  1275068685          52
 Internal error 1 in DMUMPS_LOAD_PROCESS_MESSAGE
 Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1
 Internal error 1 in DMUMPS_LOAD_PROCESS_MESSAGE
 Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1
 Internal error 2 in DMUMPS_LOAD_RECV_MSGS  1275068685          52
 Internal error 1 in DMUMPS_LOAD_PROCESS_MESSAGE
 Internal error 1 in DMUMPS_LOAD_RECV_MSGS           1

[guyer]

Also failures in:

• fipy/terms/abstractConvectionTerm.py
• examples/diffusion/nthOrder/input4thOrder1D.py
  and crashes in:
• examples/phase/binaryCoupled.py
• examples/diffusion/nthOrder/input4thOrder_line.py