grub2/grub2-vbe-blacklist-preferred-1440x900x32.patch

--- a/grub-core/video/i386/pc/vbe.c
+++ b/grub-core/video/i386/pc/vbe.c
@@ -1054,6 +1054,15 @@
 	      || vbe_mode_info.y_resolution > height)
 	    /* Resolution exceeds that of preferred mode.  */
 	    continue;
+
+	  /* Blacklist 1440x900x32 from preferred mode handling until a
+	     better solution is available.  This mode causes problems on
+	     many Thinkpads.
+	   */
+	  if (vbe_mode_info.x_resolution == 1440 &&
+	      vbe_mode_info.y_resolution == 900 &&
+	      vbe_mode_info.bits_per_pixel == 32)
+	    continue;
 	}
       else
 	{