message: Add EnsureNodes() in ex9p to prevent a bug.
diff: @@ -283,6 +283,7 @@ int main(int argc, char *argv[])
  {
  mesh->SetCurvature(mesh->GetNodalFESpace()->GetOrder(0), true);
  }
  + if (pa) { mesh->EnsureNodes(); }
  // 6. Define the parallel mesh by a partitioning of the serial mesh. Refine
  // this mesh further in parallel to increase the resolution. Once the
  