Comment 74 for bug 1396379

Vlad the installer is modifying the wrong EFI partition.

On Fri, May 20, 2022 at 5:00 PM Vlad Tudorache <email address hidden>
wrote:

> I've encountered this bug today (2022-05-20) on Debian 11 and Ubuntu
> 22.04. Configuration:
> Samsung SSD 500 GB as /dev/sda
> - EFI System Partition
> - MSR
> - NTFS (C:)
> - Recovery
> Toshiba HDD 2 TB as /dev/sdb
> - 1,9 TB NTFS (D:)
> - 512 MB (/dev/sdb2 -> /boot/efi)
> - 2 GB swap (/dev/sdb3)
> - 64 GB ext4 (/dev/sdb4 -> /)
> It seems that even after selecting /dev/sdb2 as /boot/efi mount point to
> avoid tampering with the Windows boot loader's location, the installer
> mounts /dev/sda1 as the EFI partition. So the bug is still there and, for
> me, it happens also on Debian. This isn't a big problem for me, I've built
> the PC myself, I know how to use efibootmgr. What about a non-technical
> user?
> Is it really a GRUB bug? Or it's an error of an early step of the
> installer which happens to be used also by the Ubuntu's installer (should
> they have some common parts)?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1396379
>
> Title:
> installer uses first EFI system partition found even when directed
> otherwise
>
> Status in grub-efi-amd64-signed package in Ubuntu:
> New
> Status in ubiquity package in Ubuntu:
> Confirmed
>
> Bug description:
> (k)ubuntu 14.04.1
> package version: 2.02~beta2-9ubuntu1
>
> i installed ubuntu on my external hard disk, where i also have a
> previously installed fedora system. i also have a windows
> (efi-booted) system in the internal hard disk.
>
> at install time via ubiquity i get all grub configuration files in the
> first EFI-labelled partition (i.e. /dev/sda2 in my case) instead of the one
> i selected (/dev/sdb1).
> later i changed my fstab mounting /boot/efi on /dev/sdb1 and tried to
> reinstall grub package (apt-get install --reinstall grub-efi-amd64); now
> all grub configuration files are in the rigt place, but booting from the
> external hard disk still shows the fedora grub installation, while selectin
> the internal hard disk from the bios menu shows a submenu listing ubuntu
> and windows.
> explicitly installing grub in the correct disk (grub-install /dev/sdb;
> grub-mkconfig -o /boot/efi/EFI/ubuntu/grub.cfg) has no effect, nor it has
> running efibootmgr (efibootmgr -c --disk /dev/sdb --part 1).
>
> expected results: grub shoud have been installed in the disk/partition i
> chose;
> actual results: ubuntu always chooses the first disk to install grub on.
>
> Note that this is not just about the dummy grub install location
> selector that is not used in EFI mode, but configuring one partition
> as do not use, and the other as ESP in the manual partitioning screen.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/grub-efi-amd64-signed/+bug/1396379/+subscriptions
>
>