--- drivers/char/agp/backend.c.orig	2005-01-09 12:36:19.000000000 +1100
+++ drivers/char/agp/backend.c	2005-01-09 12:37:24.000000000 +1100
@@ -66,10 +66,16 @@
 	bridge = agp_generic_find_bridge(pdev);
 
 	if (!bridge)
+	{	
+		printk("agp_backend_acquire failed on find bridge\n");
 		return NULL;
+	}
 
 	if (atomic_read(&bridge->agp_in_use))
+	{
+		printk("agp_backend_acquire failed on atomic read\n");
 		return NULL;
+	}
 	atomic_inc(&bridge->agp_in_use);
 	return bridge;
 }