Merge pull request #10502 from hppritcha/topic/fix_issue_10499_v5.0.x

sessions: initialize instance field for world and self
open-mpi · Jun 23, 2022 · 84a334e · 84a334e
2 parents 6b55226 + c7e20fe
commit 84a334e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ompi/communicator/comm_init.c b/ompi/communicator/comm_init.c
@@ -225,6 +225,7 @@ int ompi_comm_init_mpi3 (void)
                      sizeof(ompi_mpi_comm_world.comm.c_name));
     ompi_mpi_comm_world.comm.c_flags |= OMPI_COMM_NAMEISSET | OMPI_COMM_INTRINSIC |
         OMPI_COMM_GLOBAL_INDEX;
+    ompi_mpi_comm_world.comm.instance = group->grp_instance;
 
     /* get a reference on the attributes subsys */
     ompi_attr_get_ref();
@@ -283,6 +284,7 @@ int ompi_comm_init_mpi3 (void)
                      sizeof(ompi_mpi_comm_self.comm.c_name));
     ompi_mpi_comm_self.comm.c_flags |= OMPI_COMM_NAMEISSET | OMPI_COMM_INTRINSIC |
         OMPI_COMM_GLOBAL_INDEX;
+    ompi_mpi_comm_self.comm.instance = group->grp_instance;
 
     /* We can set MPI_COMM_SELF's keyhash to NULL because it has no
        predefined attributes.  If a user defines an attribute on