--- linux-2.6.36/drivers/gpu/drm/radeon/atom.c  2010-10-20 16:30:22.000000000 -0400
+++ linux/drivers/gpu/drm/radeon/atom.c 2010-11-19 17:14:21.141807003 -0500
@@ -1150,6 +1151,7 @@

         if (!base)
                 return -EINVAL;
+       if (base == 0xe576 || base == 0xecd2) return 0;  /* prevent freezes on 
Dell i9400 w/X1400 */

         len = CU16(base + ATOM_CT_SIZE_PTR);