From: Matthias Blankenhaus <matthiasblankenhaus at yahoo.com> > The problem is that the fallback does not work for me. For instance, if I > specify on purpose a wrong root device with the NEW OS, e.g. root=/dev/sda3, > then the kernel panics and reboots properly after 5 sec. However, grub then > attempts to boot the NEW OS all over again. The same is true when I fully boot > NEW OS with the right root device and then panic the kernel on purpose. > Now, I have read somewhere that grub requires a default file to get > the savedefault feature working. However, I could neither find the > 'savedefault' command nor the grub default file under /boot/grub or > anywhere else. One more thing, when I choose the boot title manually > then grub seems to remember my last choice. In other words, grub is > preserving my last choice from a previous boot. Not sure if you already read this: http://www.gnu.org/software/grub/manual/html_node/Booting-fallback-systems.html#Booting-fallback-systems JD