--- sys/geom/geom_io.c  (working copy)	
+++ sys/geom/geom_io.c  (working copy)	
@@ -681,7 +681,7 @@ 
        }
        if (bootverbose)
-               printf("ENOMEM %p on %p(%s)\n", bp, pp, pp->name);
+               printf(__FILE__ ": verboseboot info ENOMEM %p on %p(%s)\n", bp, pp, pp->name);
        bp->bio_children = 0;
        bp->bio_inbed = 0;
        bp->bio_driver1 = NULL;