Apparently, the MCA params are being loaded into the environment params

of the individual app_contexts as well. Clear them of "bad" ones.

This commit was SVN r12198.

orte/mca/odls/process/odls_process_module.c

@@ -461,6 +461,12 @@ static int orte_odls_process_fork_local_proc(
     } else {
         environ_copy = opal_argv_copy(base_environ);
     }
+    /* purge any disallowed component directives */
+    opal_unsetenv("rds", &environ_copy);
+    opal_unsetenv("ras", &environ_copy);
+    opal_unsetenv("rmaps", &environ_copy);
+    opal_unsetenv("pls", &environ_copy);
+    opal_unsetenv("rmgr", &environ_copy);        
 
     /* special case handling for --prefix: this is somewhat icky,
        but at least some users do this.  :-\ It is possible that