Comment # 3 on bug 1167565 from Ludwig Nussel

# grep -v '^#\|^$' /etc/default/grub /etc/sysconfig/bootloader
/etc/default/grub:GRUB_DEFAULT=0
/etc/default/grub:GRUB_HIDDEN_TIMEOUT=0
/etc/default/grub:GRUB_HIDDEN_TIMEOUT_QUIET=true
/etc/default/grub:GRUB_TIMEOUT=10
/etc/default/grub:GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 splash=silent
plymouth.enable=0 console=ttyS0,115200n8"
/etc/default/grub:GRUB_CMDLINE_LINUX=""
/etc/default/grub:GRUB_BACKGROUND=
/etc/default/grub:GRUB_THEME=/boot/grub2/themes/openSUSE/theme.txt
/etc/default/grub:GRUB_DISTRIBUTOR="openSUSE Tumbleweed"
/etc/default/grub:GRUB_GFXMODE=800x600
/etc/default/grub:GRUB_TERMINAL="gfxterm"
/etc/sysconfig/bootloader:DEFAULT_APPEND="loglevel=3 splash=silent
plymouth.enable=0 console=ttyS0,115200n8
root=UUID=ef2c5dab-a30b-494e-9f54-b951f779c653 rw "
/etc/sysconfig/bootloader:FAILSAFE_APPEND="loglevel=3 splash=silent
plymouth.enable=0 console=ttyS0,115200n8
root=UUID=ef2c5dab-a30b-494e-9f54-b951f779c653 rw  ide=nodma apm=off noresume
edd=off nomodeset 3 "
/etc/sysconfig/bootloader:LOADER_LOCATION=none
/etc/sysconfig/bootloader:LOADER_TYPE=grub2-efi