--- linux-mm/drivers/char/agp/backend.c.orig	2005-01-10 10:36:13.000000000 +0100
+++ linux-mm/drivers/char/agp/backend.c	2005-01-10 10:34:35.000000000 +0100
@@ -235,6 +235,8 @@
 	if (!bridge)
 		return NULL;
 
+	atomic_set(&bridge->agp_in_use, 0);
+
 	if (list_empty(&agp_bridges))
 		agp_bridge = bridge;