You can use the "#howmany=" option. It is a safe fallback to be able to boot a previous kernel if something is wrong with the new one.
** Changed in: grub (Ubuntu) Status: New => Invalid -- Clean Up Ubuntu Grub Boot Menu After Upgrades https://bugs.launchpad.net/bugs/144159 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs