--- hal-0.4.2/hald/callout.c.sync-callouts	2005-12-01 15:26:16.000000000 -0500
+++ hal-0.4.2/hald/callout.c	2005-12-01 15:26:19.000000000 -0500
@@ -343,7 +343,10 @@
 static gboolean
 process_callouts_idle (gpointer user_data)
 {
-	process_callouts ();
+	if (!processing_callouts) {
+		processing_callouts = TRUE;
+		process_callouts ();
+	}
 	return FALSE;
 }