I probably should have include this in the original post (my apologies). The additional menu entry was added to /etc/default/grub per "Configuring grub v2" at https://wiki.debian.org/Grub:
$ sudo cat /etc/default/grub [sudo] password: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet" GRUB_CMDLINE_LINUX="initrd=/install/gtk/initrd.gz" # GRUB_CMDLINE_LINUX_DEFAULT="syscall.x32=y quiet" GRUB_CMDLINE_LINUX="syscall.x32=y" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" On Tue, Oct 6, 2015 at 10:31 AM, Jeffrey Walton <noloa...@gmail.com> wrote: > I'm having trouble learning how to add multiple boot configurations to > Debian's Grub2. > > Debian has Grub pages at https://wiki.debian.org/Grub and > https://wiki.debian.org/GrubConfiguration, but they lack practical > examples for multiple boot configurations. > > Would someone please update update the pages and discuss multiple boot > configurations like detailed below? > > Thanks in advance. > > ***** > > Here's the back story... A Debian maintainer broke us under X32 > (https://wiki.debian.org/X32Port). We needed to enable X32 under > Debian 8 and perform specific testing in that configuration. But we > also want to retain the original Debian 8 for testing, too. > > So what I want in my Grub menu during boot is: > > * Debian GNU/Linux > * Debian GNU/Linux (X32) > * Advanced Options ... > * Memory Test ... > > Debian GNU/Linux should boot with default options. > > Debian GNU/Linux (X32) is new, and it should boot with > GRUB_CMDLINE_LINUX="syscall.x32=y" in accordance with > https://wiki.debian.org/X32Port. > > The configuration changes should also survive various updates and > dist-updates. > > Trying to get Grub into a "multiple boot options" based on the docs is > proving to be difficult. > > ***** > > And to be clear, I don't care about examples like below. I don't boot > like that; rather I select a Grub menu item. > > grub> kernel (hd0,0)/vm
