Confirmed on Ubuntu Focal (Kubuntu 20.04) installed on LVM disk, with GRUB_SAVEDEFAULT=true
This bug triggers whenever a boot option other than the first is being selected in the grub menu. grub won't be able to save that selection.
Confirmed on Ubuntu Focal (Kubuntu 20.04) installed on LVM disk, with GRUB_SAVEDEFAUL T=true
This bug triggers whenever a boot option other than the first is being selected in the grub menu. grub won't be able to save that selection.