Re: GRUB_DEFAULT=saved with GRUB_SAVEDEFAULT=true doesn't work here

[Andrei Borzenkov]

On 16.10.2021 18:23, Ulf Zibis wrote:
> Hi,
> 
> I have:
> 
> /dev/sda9/etc/default/grub (( Ubuntu 18.04.4 ))
> <=========================================================
> [.....]
> GRUB_DEFAULT=saved
> GRUB_SAVEDEFAULT=true
> GRUB_TIMEOUT=5
> GRUB_TIMEOUT_STYLE=menu
> GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
> GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
> GRUB_CMDLINE_LINUX=""
> [.....]
> =========================================================>
> 
> Wether the "GRUB_DEFAULT=saved" nor "GRUB_TIMEOUT=5" comes in function.
> After successfully executing the 1st grub.cfg, GRUB always starts the
> first menu of the 2nd grub.cfg and the timeout falls back to 30 seconds.
> 
> I have 2 chained config files:
> 
> /dev/sda1/boot/grub/grub.cfg (( Version 1 ))
> <=========================================================
> if loadfont /boot/grub/fonts/unicode.pf2 ; then
>   loadfont /boot/grub/fonts/unicode.pf2
>   set gfxmode="1920x1080"
>   load_video
>   insmod gfxterm
>   insmod efi_gop
>   insmod efi_uga
>   terminal_output gfxterm
>   if terminal_output gfxterm; then true ; else
>     terminal gfxterm
>   fi
> fi
> 
> grub_gfxmode=1920x1080
> grub_gfxpayload_linux=keep
> gfxpayload=1920x1080x24,1920x1080
> #insmod png
> #background_image /boot-efi/grub/pict3.png
> 
> #set color_normal=light-gray/black
> #set menu_color_normal=yellow/black
> #set menu_color_highlight=red/black
> 
> timeout_style=menu
> timeout=5
> 
> set default=4
> 
> 
> menuentry "EFI-PC" { # Dummy Menü
>     set-root=(hd0,gpt1) # ohne 'gültige' Zeile keine Anzeige
>         rmmod tpm  # erforderlich für das Booten mittels loopback
> }
> menuentry "Stop" {
>     halt
> }
> 
> menuentry "Windows 8.1 auf /dev/sda4" {
>     insmod part_gpt
>     ## UUID von EFI-Partition /dev/sda1 :
>     search --fs-uuid --set=root BC5C-B7DD
>     chainloader /efi/microsoft/boot/bootmgfw.efi
> }
> menuentry "Menü von Ubuntu-64 20.04 auf /dev/sda7" {
>     insmod part_gpt
>     insmod ext2
>     search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>     configfile /boot/grub/grub.cfg
> }
> menuentry "Menü von Ubuntu-32 18.04 auf /dev/sda9" {
>     insmod part_gpt
>     insmod ext2
>     search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>     configfile /boot/grub/grub.cfg
> }
> menuentry "Menü von Ubuntu-64 16.04 auf /dev/sda11" {
>     insmod part_gpt
>     insmod ext2
>     search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>     configfile /boot/grub/grub.cfg
> }
> =========================================================>
> /dev/sda9/boot/grub/grub.cfg (( created by "sudo update-grub" ))
> <=========================================================
> #
> # DO NOT EDIT THIS FILE
> #
> # It is automatically generated by grub-mkconfig using templates
> # from /etc/grub.d and settings from /etc/default/grub
> #
> 
> ### BEGIN /etc/grub.d/00_header ###
> if [ -s $prefix/grubenv ]; then

Your boot setup is rather unclear but assuming your have three
partitions, and each partition has its own /boot/grub - "configfile"
command does not change $prefix variable. So every loaded config file
continues to refer to /boot/grub of your primary grub instance.

>   set have_grubenv=true
>   load_env
> fi
> if [ "${next_entry}" ] ; then
>    set default="${next_entry}"
>    set next_entry=
>    save_env next_entry
>    set boot_once=true
> else
>    set default="${saved_entry}"
> fi
> 
> if [ x"${feature_menuentry_id}" = xy ]; then
>   menuentry_id_option="--id"
> else
>   menuentry_id_option=""
> fi
> 
> export menuentry_id_option
> 
> if [ "${prev_saved_entry}" ]; then
>   set saved_entry="${prev_saved_entry}"
>   save_env saved_entry
>   set prev_saved_entry=
>   save_env prev_saved_entry
>   set boot_once=true
> fi
> 
> function savedefault {
>   if [ -z "${boot_once}" ]; then
>     saved_entry="${chosen}"
>     save_env saved_entry
>   fi
> }
> function recordfail {
>   set recordfail=1
>   if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then
> save_env recordfail; fi; fi
> }
> function load_video {
>   if [ x$feature_all_video_module = xy ]; then
>     insmod all_video
>   else
>     insmod efi_gop
>     insmod efi_uga
>     insmod ieee1275_fb
>     insmod vbe
>     insmod vga
>     insmod video_bochs
>     insmod video_cirrus
>   fi
> }
> 
> if [ x$feature_default_font_path = xy ] ; then
>    font=unicode
> else
> insmod part_gpt
> insmod ext2
> set root='hd0,gpt9'
> if [ x$feature_platform_search_hint = xy ]; then
>   search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
> else
>   search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
> fi
>     font="/usr/share/grub/unicode.pf2"
> fi
> 
> if loadfont $font ; then
>   set gfxmode=auto
>   load_video
>   insmod gfxterm
>   set locale_dir=$prefix/locale
>   set lang=de_DE
>   insmod gettext
> fi
> terminal_output gfxterm
> if [ "${recordfail}" = 1 ] ; then
>   set timeout=30

This could be one reason. recordfail stores variable in primary grubenv,
but boot script that runs in this Linux instance tries to clear it in
different grubenv. So after you have booted this Linux instance once,
recordfail variable is stuck in primary grubenv.

> else
>   if [ x$feature_timeout_style = xy ] ; then
>     set timeout_style=menu
>     set timeout=5
>   # Fallback normal timeout code in case the timeout_style feature is
>   # unavailable.
>   else
>     set timeout=5
>   fi
> fi
> ### END /etc/grub.d/00_header ###
> 
> ### BEGIN /etc/grub.d/05_debian_theme ###
> set menu_color_normal=white/black
> set menu_color_highlight=black/light-gray
> ### END /etc/grub.d/05_debian_theme ###
> 
> ### BEGIN /etc/grub.d/10_linux ###
> function gfxmode {
>     set gfxpayload="${1}"
>     if [ "${1}" = "keep" ]; then
>         set vt_handoff=vt.handoff=1
>     else
>         set vt_handoff=
>     fi
> }
> if [ "${recordfail}" != 1 ]; then
>   if [ -e ${prefix}/gfxblacklist.txt ]; then
>     if hwmatch ${prefix}/gfxblacklist.txt 3; then
>       if [ ${match} = 0 ]; then
>         set linux_gfx_mode=keep
>       else
>         set linux_gfx_mode=text
>       fi
>     else
>       set linux_gfx_mode=text
>     fi
>   else
>     set linux_gfx_mode=keep
>   fi
> else
>   set linux_gfx_mode=text
> fi
> export linux_gfx_mode
> menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class
> os $menuentry_id_option
> 'gnulinux-simple-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9' {
>     recordfail
>     savedefault
>     load_video
>     gfxmode $linux_gfx_mode
>     insmod gzio
>     if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>     insmod part_gpt
>     insmod ext2
>     set root='hd0,gpt9'
>     if [ x$feature_platform_search_hint = xy ]; then
>       search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>     else
>       search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>     fi
>         linux    /boot/vmlinuz-4.15.0-159-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro  quiet splash
> resume=UUID=b89855fb-dc4f-42fb-9ee0-053b7cb5c683 $vt_handoff
>     initrd    /boot/initrd.img-4.15.0-159-generic
> }
> submenu 'Erweiterte Optionen für Ubuntu' $menuentry_id_option
> 'gnulinux-advanced-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9' {
>     menuentry 'Ubuntu, mit Linux 4.15.0-159-generic' --class ubuntu
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'gnulinux-4.15.0-159-generic-advanced-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9'
> {
>         recordfail
>     savedefault
>         load_video
>         gfxmode $linux_gfx_mode
>         insmod gzio
>         if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt9'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9 
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         else
>           search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         fi
>         echo    'Linux 4.15.0-159-generic wird geladen …'
>             linux    /boot/vmlinuz-4.15.0-159-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro  quiet splash
> resume=UUID=b89855fb-dc4f-42fb-9ee0-053b7cb5c683 $vt_handoff
>         echo    'Initiale Ramdisk wird geladen …'
>         initrd    /boot/initrd.img-4.15.0-159-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.15.0-159-generic (recovery mode)'
> --class ubuntu --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'gnulinux-4.15.0-159-generic-recovery-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9'
> {
>         recordfail
>         load_video
>         insmod gzio
>         if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt9'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9 
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         else
>           search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         fi
>         echo    'Linux 4.15.0-159-generic wird geladen …'
>             linux    /boot/vmlinuz-4.15.0-159-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro recovery nomodeset
> dis_ucode_ldr
>         echo    'Initiale Ramdisk wird geladen …'
>         initrd    /boot/initrd.img-4.15.0-159-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.15.0-158-generic' --class ubuntu
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'gnulinux-4.15.0-158-generic-advanced-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9'
> {
>         recordfail
>     savedefault
>         load_video
>         gfxmode $linux_gfx_mode
>         insmod gzio
>         if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt9'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9 
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         else
>           search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         fi
>         echo    'Linux 4.15.0-158-generic wird geladen …'
>             linux    /boot/vmlinuz-4.15.0-158-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro  quiet splash
> resume=UUID=b89855fb-dc4f-42fb-9ee0-053b7cb5c683 $vt_handoff
>         echo    'Initiale Ramdisk wird geladen …'
>         initrd    /boot/initrd.img-4.15.0-158-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.15.0-158-generic (recovery mode)'
> --class ubuntu --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'gnulinux-4.15.0-158-generic-recovery-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9'
> {
>         recordfail
>         load_video
>         insmod gzio
>         if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt9'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9 
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         else
>           search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         fi
>         echo    'Linux 4.15.0-158-generic wird geladen …'
>             linux    /boot/vmlinuz-4.15.0-158-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro recovery nomodeset
> dis_ucode_ldr
>         echo    'Initiale Ramdisk wird geladen …'
>         initrd    /boot/initrd.img-4.15.0-158-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.15.0-29-generic' --class ubuntu
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'gnulinux-4.15.0-29-generic-advanced-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9'
> {
>         recordfail
>     savedefault
>         load_video
>         gfxmode $linux_gfx_mode
>         insmod gzio
>         if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt9'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9 
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         else
>           search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         fi
>         echo    'Linux 4.15.0-29-generic wird geladen …'
>             linux    /boot/vmlinuz-4.15.0-29-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro  quiet splash
> resume=UUID=b89855fb-dc4f-42fb-9ee0-053b7cb5c683 $vt_handoff
>         echo    'Initiale Ramdisk wird geladen …'
>         initrd    /boot/initrd.img-4.15.0-29-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.15.0-29-generic (recovery mode)'
> --class ubuntu --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'gnulinux-4.15.0-29-generic-recovery-ec7ee724-6bed-4ee0-8056-8ecf44bb46b9'
> {
>         recordfail
>         load_video
>         insmod gzio
>         if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt9'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt9
> --hint-efi=hd0,gpt9 --hint-baremetal=ahci0,gpt9 
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         else
>           search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         fi
>         echo    'Linux 4.15.0-29-generic wird geladen …'
>             linux    /boot/vmlinuz-4.15.0-29-generic
> root=UUID=ec7ee724-6bed-4ee0-8056-8ecf44bb46b9 ro recovery nomodeset
> dis_ucode_ldr
>         echo    'Initiale Ramdisk wird geladen …'
>         initrd    /boot/initrd.img-4.15.0-29-generic
>     }
> }
> 
> ### END /etc/grub.d/10_linux ###
> 
> ### BEGIN /etc/grub.d/20_linux_xen ###
> 
> ### END /etc/grub.d/20_linux_xen ###
> 
> ### BEGIN /etc/grub.d/20_memtest86+ ###
> ### END /etc/grub.d/20_memtest86+ ###
> 
> ### BEGIN /etc/grub.d/30_os-prober ###
> menuentry 'Windows Boot Manager (auf /dev/sda1)' --class windows --class
> os $menuentry_id_option 'osprober-efi-BC5C-B7DD' {
>     savedefault
>     insmod part_gpt
>     insmod fat
>     set root='hd0,gpt1'
>     if [ x$feature_platform_search_hint = xy ]; then
>       search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt1
> --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1  BC5C-B7DD
>     else
>       search --no-floppy --fs-uuid --set=root BC5C-B7DD
>     fi
>     chainloader /EFI/Microsoft/Boot/bootmgfw.efi
> }
> menuentry 'Ubuntu 16.04.7 LTS (16.04) (auf /dev/sda11)' --class ubuntu
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'osprober-gnulinux-simple-944662da-df21-471e-b041-082090aaa22e' {
>     savedefault
>     insmod part_gpt
>     insmod ext2
>     set root='hd0,gpt11'
>     if [ x$feature_platform_search_hint = xy ]; then
>       search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>     else
>       search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>     fi
>     linux /boot/vmlinuz-4.4.0-210-generic
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro quiet splash $vt_handoff
>     initrd /boot/initrd.img-4.4.0-210-generic
> }
> submenu 'Erweiterte Optionen für Ubuntu 16.04.7 LTS (16.04) (auf
> /dev/sda11)' $menuentry_id_option
> 'osprober-gnulinux-advanced-944662da-df21-471e-b041-082090aaa22e' {
>     menuentry 'Ubuntu (auf /dev/sda11)' --class gnu-linux --class gnu
> --class os $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-210-generic--944662da-df21-471e-b041-082090aaa22e'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-210-generic
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro quiet splash $vt_handoff
>         initrd /boot/initrd.img-4.4.0-210-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.4.0-210-generic (auf /dev/sda11)'
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-210-generic--944662da-df21-471e-b041-082090aaa22e'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-210-generic
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro quiet splash $vt_handoff
>         initrd /boot/initrd.img-4.4.0-210-generic
>     }
>     menuentry 'Ubuntu, with Linux 4.4.0-210-generic (upstart) (auf
> /dev/sda11)' --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-210-generic--944662da-df21-471e-b041-082090aaa22e'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-210-generic
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro quiet splash
> $vt_handoff init=/sbin/upstart
>         initrd /boot/initrd.img-4.4.0-210-generic
>     }
>     menuentry 'Ubuntu, with Linux 4.4.0-210-generic (recovery mode) (auf
> /dev/sda11)' --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-210-generic-root=UUID=944662da-df21-471e-b041-082090aaa22e
> ro recovery nomodeset-944662da-df21-471e-b041-082090aaa22e' {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-210-generic
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro recovery nomodeset
>         initrd /boot/initrd.img-4.4.0-210-generic
>     }
>     menuentry 'Ubuntu, mit Linux 4.4.0-31-generic (auf /dev/sda11)'
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-31-generic.efi.signed--944662da-df21-471e-b041-082090aaa22e'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-31-generic.efi.signed
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro quiet splash $vt_handoff
>         initrd /boot/initrd.img-4.4.0-31-generic
>     }
>     menuentry 'Ubuntu, with Linux 4.4.0-31-generic (upstart) (auf
> /dev/sda11)' --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-31-generic.efi.signed--944662da-df21-471e-b041-082090aaa22e'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-31-generic.efi.signed
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro quiet splash
> $vt_handoff init=/sbin/upstart
>         initrd /boot/initrd.img-4.4.0-31-generic
>     }
>     menuentry 'Ubuntu, with Linux 4.4.0-31-generic (recovery mode) (auf
> /dev/sda11)' --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-4.4.0-31-generic.efi.signed-root=UUID=944662da-df21-471e-b041-082090aaa22e
> ro recovery nomodeset-944662da-df21-471e-b041-082090aaa22e' {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt11'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt11
> --hint-efi=hd0,gpt11 --hint-baremetal=ahci0,gpt11 
> 944662da-df21-471e-b041-082090aaa22e
>         else
>           search --no-floppy --fs-uuid --set=root
> 944662da-df21-471e-b041-082090aaa22e
>         fi
>         linux /boot/vmlinuz-4.4.0-31-generic.efi.signed
> root=UUID=944662da-df21-471e-b041-082090aaa22e ro recovery nomodeset
>         initrd /boot/initrd.img-4.4.0-31-generic
>     }
> }
> 
> menuentry 'Ubuntu 20.04.3 LTS (20.04) (auf /dev/sda7)' --class ubuntu
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'osprober-gnulinux-simple-82b4acde-4db6-48b0-9d00-a09fb995b330' {
>     savedefault
>     insmod part_gpt
>     insmod ext2
>     set root='hd0,gpt7'
>     if [ x$feature_platform_search_hint = xy ]; then
>       search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt7
> --hint-efi=hd0,gpt7 --hint-baremetal=ahci0,gpt7
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>     else
>       search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>     fi
>     linux /boot/vmlinuz-5.11.0-36-generic
> root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330 ro quiet splash $vt_handoff
>     initrd /boot/initrd.img-5.11.0-36-generic
> }
> submenu 'Erweiterte Optionen für Ubuntu 20.04.3 LTS (20.04) (auf
> /dev/sda7)' $menuentry_id_option
> 'osprober-gnulinux-advanced-82b4acde-4db6-48b0-9d00-a09fb995b330' {
>     menuentry 'Ubuntu (auf /dev/sda7)' --class gnu-linux --class gnu
> --class os $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-5.11.0-36-generic--82b4acde-4db6-48b0-9d00-a09fb995b330'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt7'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt7
> --hint-efi=hd0,gpt7 --hint-baremetal=ahci0,gpt7 
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         else
>           search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         fi
>         linux /boot/vmlinuz-5.11.0-36-generic
> root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330 ro quiet splash $vt_handoff
>         initrd /boot/initrd.img-5.11.0-36-generic
>     }
>     menuentry 'Ubuntu, mit Linux 5.11.0-36-generic (auf /dev/sda7)'
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-5.11.0-36-generic--82b4acde-4db6-48b0-9d00-a09fb995b330'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt7'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt7
> --hint-efi=hd0,gpt7 --hint-baremetal=ahci0,gpt7 
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         else
>           search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         fi
>         linux /boot/vmlinuz-5.11.0-36-generic
> root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330 ro quiet splash $vt_handoff
>         initrd /boot/initrd.img-5.11.0-36-generic
>     }
>     menuentry 'Ubuntu, mit Linux 5.11.0-36-generic (recovery mode) (auf
> /dev/sda7)' --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-5.11.0-36-generic-root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330
> ro recovery nomodeset dis_ucode_ldr-82b4acde-4db6-48b0-9d00-a09fb995b330' {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt7'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt7
> --hint-efi=hd0,gpt7 --hint-baremetal=ahci0,gpt7 
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         else
>           search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         fi
>         linux /boot/vmlinuz-5.11.0-36-generic
> root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330 ro recovery nomodeset
> dis_ucode_ldr
>         initrd /boot/initrd.img-5.11.0-36-generic
>     }
>     menuentry 'Ubuntu, mit Linux 5.8.0-59-generic (auf /dev/sda7)'
> --class gnu-linux --class gnu --class os $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-5.8.0-59-generic--82b4acde-4db6-48b0-9d00-a09fb995b330'
> {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt7'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt7
> --hint-efi=hd0,gpt7 --hint-baremetal=ahci0,gpt7 
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         else
>           search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         fi
>         linux /boot/vmlinuz-5.8.0-59-generic
> root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330 ro quiet splash $vt_handoff
>         initrd /boot/initrd.img-5.8.0-59-generic
>     }
>     menuentry 'Ubuntu, mit Linux 5.8.0-59-generic (recovery mode) (auf
> /dev/sda7)' --class gnu-linux --class gnu --class os
> $menuentry_id_option
> 'osprober-gnulinux-/boot/vmlinuz-5.8.0-59-generic-root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330
> ro recovery nomodeset dis_ucode_ldr-82b4acde-4db6-48b0-9d00-a09fb995b330' {
>         savedefault
>         insmod part_gpt
>         insmod ext2
>         set root='hd0,gpt7'
>         if [ x$feature_platform_search_hint = xy ]; then
>           search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt7
> --hint-efi=hd0,gpt7 --hint-baremetal=ahci0,gpt7 
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         else
>           search --no-floppy --fs-uuid --set=root
> 82b4acde-4db6-48b0-9d00-a09fb995b330
>         fi
>         linux /boot/vmlinuz-5.8.0-59-generic
> root=UUID=82b4acde-4db6-48b0-9d00-a09fb995b330 ro recovery nomodeset
> dis_ucode_ldr
>         initrd /boot/initrd.img-5.8.0-59-generic
>     }
> }
> 
> set timeout_style=menu
> if [ "${timeout}" = 0 ]; then
>   set timeout=10
> fi
> ### END /etc/grub.d/30_os-prober ###
> 
> ### BEGIN /etc/grub.d/30_uefi-firmware ###
> ### END /etc/grub.d/30_uefi-firmware ###
> 
> ### BEGIN /etc/grub.d/40_custom ###
> # This file provides an easy way to add custom menu entries. Simply type
> the
> # menu entries you want to add after this comment.  Be careful not to
> change
> # the 'exec tail' line above.
> ### END /etc/grub.d/40_custom ###
> 
> ### BEGIN /etc/grub.d/41_custom ###
> if [ -f  ${config_directory}/custom.cfg ]; then
>   source ${config_directory}/custom.cfg
> elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
>   source $prefix/custom.cfg;
> fi
> ### END /etc/grub.d/41_custom ###
> =========================================================>
> 
> Both are existant:
> - /dev/sda1/boot/grub/grubenv
> - /dev/sda9/boot/grub/grubenv
> 
> With the alternative below, at least "GRUB_TIMEOUT=5" works as expected,
> but "GRUB_DEFAULT=saved" never works.
> 
> /dev/sda1/boot/grub/grub.cfg (( Version 2 ))
> <=========================================================
> [.......]
> menuentry "Menü von Ubuntu-32 18.04 auf /dev/sda9" {
>     insmod part_gpt
>     insmod ext2
>     insmod configfile
>     insmod test
>     insmod loadenv
>     insmod all_video
>     insmod ieee1275_fb
>     insmod vbe
>     insmod vga
>     insmod video_bochs
>     insmod video_cirrus
>     insmod gettext
>     insmod gzio
>     insmod xzio
>     insmod lzopio
>     insmod linux
>     insmod linuxefi
>     search --no-floppy --fs-uuid --set=root
> ec7ee724-6bed-4ee0-8056-8ecf44bb46b9
>         set prefix=($root)'/boot/grub'
>         configfile $prefix/grub.cfg
>     # configfile /boot/grub/grub.cfg
> }
> [.......]
> =========================================================>
> 
> So I'm wondering, as grubenv now seems correctly found.
> 
> Does one have an idea, how to make "GRUB_DEFAULT=saved" working here?
> 
> Thanks in advance,
> -Ulf
> 
>