Public bug reported:
Info:
Ubuntu Release: Ubuntu 18.04
grub-efi-amd64-bin: 2.02-2ubuntu8.13
I originally reported this to Calamares, because of the fact it affected
Feren OS and Feren OS was the original place I found this issue happen,
but whenever a custom ID for GRUB is set that isn't 'ubuntu' it will
result in GRUB being always in Minimal Bash-like Editing is Supported
mode.
Reproduction Steps:
1. Delete everything in /boot/efi/EFI including folders to make a clean slate
(excluding Windows EFI Directories if they're there, they won't change anything)
2. Do `grub-install /dev/sda --uefi-secure-boot --bootloader-id=efifoldername`
in Terminal with 'efifoldername' being any folder name that isn't 'ubuntu'.
3. Restart the system
What was expected:
GRUB would boot normally even with a different EFI folder ID
What actually happened:
GRUB booted into Minimal Bash-like Editing is Supported unless the ID is
explicitly set to 'ubuntu'.
Additional Notes:
I also proceeded to do extra tests before reporting this issue in Terminal on
the affected machine:
'grub-install /dev/sda --uefi-secure-boot --bootloader-id=feren' Resulted in
broken GRUB (Feren OS's EFI folder name since this bug was first noticed by me
through Feren OS using a different EFI directory name)
'grub-install /dev/sda --uefi-secure-boot --bootloader-id=ubuntu' Resulted in
working GRUB
'grub-install /dev/sda --uefi-secure-boot --bootloader-id=testlabel' Resulted
in broken GRUB
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1843483
Title:
Setting an alternative UEFI ID causes GRUB to be in 'Minimal Bash-like
Editing' mode
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