srv0start.c:

  Remove freeing of all memory at shutdown: since we do not exit the i/o-handlers and other threads, we could potentially get a seg fault at shutdown

innobase/srv/srv0start.c

@@ -1363,7 +1363,14 @@ innobase_shutdown_for_mysql(void)
 		srv_conc_n_threads);
 	}
 
+	/*
+	TODO: We should exit the i/o-handler and other utility threads
+	before freeing all memory. Now this can potentially cause a seg
+	fault!
+	*/
+#ifdef NOT_WORKING_YET
         ut_free_all_mem();
+#endif 
 
 	return((int) DB_SUCCESS);
 }