The iof is still having problems with non-orte/ompi programs, apparently. Turn off the iof_flush when a program terminates as this will (in the case of non-orte/ompi programs) cause mpirun to hang.

This commit was SVN r15399.

orte/mca/odls/default/odls_default_module.c

@@ -503,10 +503,12 @@ GOTCHILD:
     }
     opal_output(orte_odls_globals.output, "orted sent IOF unpub message!\n");
 
+#if 0
     /* Note that the svc IOF component will detect an exception on the
        oob because we're shutting it down, so it will take care of
        closing down any streams that it has open to us. */
     orte_iof.iof_flush();
+#endif
 
     /* determine the state of this process */
     aborted = false;