Am 08.10.2023 um 11:30:13 Uhr schrieb DdB: > On issuing the update interactively, i could see, that grub was > prompting for the place to write itself to, which needed interaction. > After giving the info (like /dev/sda in my case), the upgrade > succeded. Later, there came more updates, but this time, they could > indeed install themselves automatically.
Specifying a block device for boot loader installation is only needed for BIOS boot and not for UEFI boot, so in case of an UEFI system, grub-pc isn't needed.