Hi Richard, > If you follow the link and look at attached png you clearly see compiler > issue. I also provided a hack which allowed it to work. Probably FRAME > pointer changes code generation to get rid of issue. Right, with CONFIG_FRAME_POINTER defined the following compiler flags are defined in the top-level Makefile. ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls else KBUILD_CFLAGS += -fomit-frame-pointer Endif I believe that this was the difference. Cheers Jon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html