Index: res/res_agi.c
===================================================================
--- res/res_agi.c	(revision 75248)
+++ res/res_agi.c	(working copy)
@@ -2082,6 +2082,8 @@
 
 static int deadagi_exec(struct ast_channel *chan, void *data)
 {
+	if (!ast_check_hangup(chan))
+		ast_log(LOG_WARNING,"Running DeadAGI on a live channel can cause serious performance issues, please use AGI\n");
 	return agi_exec_full(chan, data, 0, 1);
 }