--- libdvdread/dvdread/nav_read.c	2005-09-05 22:11:16.000000000 -0400
+++ libdvdread-patched/dvdread/nav_read.c	2006-09-23 14:14:43.000000000 -0400
@@ -204,6 +204,6 @@
   /* Asserts */
 
   /* dsi dsi gi */
-  CHECK_VALUE(dsi->dsi_gi.zero1 == 0);
+//  CHECK_VALUE(dsi->dsi_gi.zero1 == 0);
 }