[Bug 1872100] [NEW] "The GRUB bootloader was previously installed to a disk that is no longer present..."

[Eduardo Aguilar Pelaez]

Public bug reported:

I'm on the 20.04 early testing group. 
I've been using 20.04 for about a month.
Today when doing a normal software update 
1 - the update-manager got stuck in an error message (see attached) and then 
2 - prompted me saying that "The GRUB bootloader was previously installed to a disk that is no longer present..." (see attached)
3 - and when I selected that path because it's the only EFI partition I have and press 'Next'
4 - then a new dialog appears asking if I want to proceed without installing GRUB. 
5 - when I untick that box and try to proceed trying to install GRUB it then takes me back to step (2) so I'm currently stuck in a loop.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: update-manager 1:20.04.5
ProcVersionSignature: Ubuntu 5.4.0-23.27-generic 5.4.29
Uname: Linux 5.4.0-23-generic x86_64
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 10 16:10:48 2020
InstallationDate: Installed on 2019-09-04 (218 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug champagne focal rls-ff-incoming

** Attachment added: "promp in step 2 and partition setup"
   https://bugs.launchpad.net/bugs/1872100/+attachment/5351413/+files/Screenshot%20from%202020-04-10%2015-36-26.png

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https://bugs.launchpad.net/bugs/1872100

Title:
  "The GRUB bootloader was previously installed to a disk that is no
  longer present..."

Status in update-manager package in Ubuntu:
  New

Bug description:
  I'm on the 20.04 early testing group. 
  I've been using 20.04 for about a month.
  Today when doing a normal software update 
  1 - the update-manager got stuck in an error message (see attached) and then 
  2 - prompted me saying that "The GRUB bootloader was previously installed to a disk that is no longer present..." (see attached)
  3 - and when I selected that path because it's the only EFI partition I have and press 'Next'
  4 - then a new dialog appears asking if I want to proceed without installing GRUB. 
  5 - when I untick that box and try to proceed trying to install GRUB it then takes me back to step (2) so I'm currently stuck in a loop.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: update-manager 1:20.04.5
  ProcVersionSignature: Ubuntu 5.4.0-23.27-generic 5.4.29
  Uname: Linux 5.4.0-23-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 10 16:10:48 2020
  InstallationDate: Installed on 2019-09-04 (218 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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