Comment # 5 on bug 964553 from Gabriele Tettamanzi

****/boot/grub2/grub.cfg****
----------------------------

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
set btrfs_relative_path="y"
export btrfs_relative_path
if [ -f ${config_directory}/grubenv ]; then
  load_env -f ${config_directory}/grubenv
elif [ -s $prefix/grubenv ]; then
  load_env
fi

if [ "${env_block}" ] ; then
  load_env -f "${env_block}"
fi

if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   if [ "${env_block}" ] ; then
     save_env -f "${env_block}" next_entry
   fi
   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 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$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt 
insmod lvm 
insmod btrfs
set
root='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root
--hint='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
 214a0118-576d-49fc-87de-7eeb3c299b98
else
  search --no-floppy --fs-uuid --set=root 214a0118-576d-49fc-87de-7eeb3c299b98
fi
    font="/usr/share/grub2/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=en_US
  insmod gettext
fi
terminal_output gfxterm
insmod part_gpt 
insmod lvm 
insmod btrfs
set
root='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root
--hint='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
 214a0118-576d-49fc-87de-7eeb3c299b98
else
  search --no-floppy --fs-uuid --set=root 214a0118-576d-49fc-87de-7eeb3c299b98
fi
insmod gfxmenu
loadfont ($root)/boot/grub2/themes/openSUSE/DejaVuSans-Bold14.pf2
loadfont ($root)/boot/grub2/themes/openSUSE/DejaVuSans10.pf2
loadfont ($root)/boot/grub2/themes/openSUSE/DejaVuSans12.pf2
loadfont ($root)/boot/grub2/themes/openSUSE/ascii.pf2
insmod png
set theme=($root)/boot/grub2/themes/openSUSE/theme.txt
export theme
if [ x${boot_once} = xtrue ]; then
  set timeout=0
elif [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=8
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=8
fi
if [ -n "$extra_cmdline" ]; then
  submenu "Bootable snapshot #$snapshot_num" {
    menuentry "If OK, run 'snapper rollback' and reboot." { true; }
  }
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/00_tuned ###
set tuned_params=""
### END /etc/grub.d/00_tuned ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'openSUSE Tumbleweed'  --class opensuse --class gnu-linux --class gnu
--class os $menuentry_id_option
'gnulinux-simple-214a0118-576d-49fc-87de-7eeb3c299b98' {
    load_video
    set gfxpayload=keep
    insmod gzio
    insmod part_gpt 
    insmod lvm 
    insmod btrfs
    set
root='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root
--hint='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
 214a0118-576d-49fc-87de-7eeb3c299b98
    else
      search --no-floppy --fs-uuid --set=root
214a0118-576d-49fc-87de-7eeb3c299b98
    fi
    echo    'Loading Linux 4.4.0-3-default ...'
    linux    /boot/vmlinuz-4.4.0-3-default
root=UUID=214a0118-576d-49fc-87de-7eeb3c299b98  ${extra_cmdline}
resume=/dev/system/swap splash=silent quiet showopts
    echo    'Loading initial ramdisk ...'
    initrd    /boot/initrd-4.4.0-3-default
}
submenu 'Advanced options for openSUSE Tumbleweed' --hotkey=1
$menuentry_id_option 'gnulinux-advanced-214a0118-576d-49fc-87de-7eeb3c299b98' {
    menuentry 'openSUSE Tumbleweed, with Linux 4.4.0-3-default' --hotkey=2
--class opensuse --class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-4.4.0-3-default-advanced-214a0118-576d-49fc-87de-7eeb3c299b98' {
        load_video
        set gfxpayload=keep
        insmod gzio
        insmod part_gpt 
        insmod lvm 
        insmod btrfs
        set
root='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root
--hint='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
 214a0118-576d-49fc-87de-7eeb3c299b98
        else
          search --no-floppy --fs-uuid --set=root
214a0118-576d-49fc-87de-7eeb3c299b98
        fi
        echo    'Loading Linux 4.4.0-3-default ...'
        linux    /boot/vmlinuz-4.4.0-3-default
root=UUID=214a0118-576d-49fc-87de-7eeb3c299b98  ${extra_cmdline}
resume=/dev/system/swap splash=silent quiet showopts
        echo    'Loading initial ramdisk ...'
        initrd    /boot/initrd-4.4.0-3-default
    }
    menuentry 'openSUSE Tumbleweed, with Linux 4.4.0-2-default'  --class
opensuse --class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-4.4.0-2-default-advanced-214a0118-576d-49fc-87de-7eeb3c299b98' {
        load_video
        set gfxpayload=keep
        insmod gzio
        insmod part_gpt 
        insmod lvm 
        insmod btrfs
        set
root='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root
--hint='lvmid/Y4KvR0-aPKP-Z8bf-thid-rgQG-pOUc-GK4Com/qNEg0H-UPjn-fAZt-0OI2-6V9R-7bah-Eu3wow'
 214a0118-576d-49fc-87de-7eeb3c299b98
        else
          search --no-floppy --fs-uuid --set=root
214a0118-576d-49fc-87de-7eeb3c299b98
        fi
        echo    'Loading Linux 4.4.0-2-default ...'
        linux    /boot/vmlinuz-4.4.0-2-default
root=UUID=214a0118-576d-49fc-87de-7eeb3c299b98  ${extra_cmdline}
resume=/dev/system/swap splash=silent quiet showopts
        echo    'Loading initial ramdisk ...'
        initrd    /boot/initrd-4.4.0-2-default
    }
}

### 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 ###
### END /etc/grub.d/30_os-prober ###

### 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 ###

### BEGIN /etc/grub.d/80_suse_btrfs_snapshot ###
if [ -f "/.snapshots/grub-snapshot.cfg" ]; then
  source "/.snapshots/grub-snapshot.cfg"
fi
### END /etc/grub.d/80_suse_btrfs_snapshot ###

### BEGIN /etc/grub.d/90_persistent ###
### END /etc/grub.d/90_persistent ###