[Bug 1983384] Re: Grub installs on wrong device on custom partition setup

[Ubuntu QA Website]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1983384

** Tags added: iso-testing

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Title:
  Grub installs on wrong device on custom partition setup

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I have a fairly complex setup on my desktop, with the following
  drives:

  * a Samsung NVMe drive with a Ubuntu Focal Desktop install
  * a Crucial NVMe drive with a Ubuntu Jammy Desktop install
  * a Samsung SATA SSD with Windows
  * a USB SSD that I use to do test installs of Ubuntu.

  That last drive had a partition scheme with a EFI partition and an
  ext4 partition. I selected a custom setup, changed the boot drive from
  the default (the Samsung NVMe drive) to the USB SSD, and simply marked
  the ext4 partition as to be formated and mounted as /, and then
  proceeded with the rest of the install.

  When I booted up and selected the ubuntu EFI entry from the USB SSD,
  it was a broken Grub (presumably leftover from previous tests).
  However, the Samsung NVMe Ubuntu entry would take me to a grub
  configured to boot on my brand new Jammy 22.04.1 install, instead of
  my previous Focal entry.

  I suspect that subiquity never actually registered that I changed the
  boot drive.

  I reproduced the issue reliably with the candidate 22.04.1 image from
  2022-08-02, and am fairly sure I saw the same issue with the 20.04.3
  image, I just didn't take the time to investigate.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.15.0-43.46-generic 5.15.39
  Uname: Linux 5.15.0-43-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Aug  2 16:16:54 2022
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2022-08-02 (0 days ago)
  InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220801)
  SourcePackage: ubiquity
  Symptom: installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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