[Bug 1940723] Re: GRUB (re)installation failing due to stale grub-{pc, efi}/install_devices

[Mate Kukri]

@lathiat yes yes, i am aware of all of these, and this being resolved
"for good" will be among top 25.04 priorities for me, these symlinks are
clearly not stable enough.

Also tagging this as affecting "linux" as well to have it noted that it
is at least sometimes caused by the kernel "pulling the rug" under the
symlinks.

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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Title:
  GRUB (re)installation failing due to stale
  grub-{pc,efi}/install_devices

Status in grub2 package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  New

Bug description:
  package shim-signed 1.40.6+15.4-0ubuntu7 failed to install/upgrade:
  installed shim-signed package post-installation script subprocess
  returned error exit status 32

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: shim-signed 1.40.6+15.4-0ubuntu7
  ProcVersionSignature: Ubuntu 5.11.0-27.29~20.04.1-generic 5.11.22
  Uname: Linux 5.11.0-27-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] Aucun fichier ou dossier de ce type: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  BootEFIContents:
   BOOTX64.CSV
   grub.cfg
   grubx64.efi
   mmx64.efi
   shimx64.efi
  CasperMD5CheckResult: skip
  Date: Sat Aug 21 00:04:46 2021
  DuplicateSignature:
   package:shim-signed:1.40.6+15.4-0ubuntu7
   Setting up shim-signed (1.40.6+15.4-0ubuntu7) ...
   mount: /var/lib/grub/esp: le périphérique spécial /dev/disk/by-id/ata-WDC_WD5000AAKX-001CA0_WD-WMAYU5896427-part1 n'existe pas.
   dpkg: error processing package shim-signed (--configure):
    installed shim-signed package post-installation script subprocess returned error exit status 32
  EFITables:
   août 20 23:52:39 benazzi-HP-EliteDesk-800-G1-SFF kernel: efi: EFI v2.31 by American Megatrends
   août 20 23:52:39 benazzi-HP-EliteDesk-800-G1-SFF kernel: efi: ACPI=0xd9900000 ACPI 2.0=0xd9900000 SMBIOS=0xd9f7e498 
   août 20 23:52:39 benazzi-HP-EliteDesk-800-G1-SFF kernel: secureboot: Secure boot disabled
   août 20 23:52:39 benazzi-HP-EliteDesk-800-G1-SFF kernel: secureboot: Secure boot disabled
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 32
  InstallationDate: Installed on 2021-03-08 (165 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.6
  SecureBoot: 6   0   0   0   0
  ShimDiff: Les fichiers binaires /boot/efi/EFI/ubuntu/shimx64.efi et /usr/lib/shim/shimx64.efi.signed sont différents
  SourcePackage: shim-signed
  Title: package shim-signed 1.40.6+15.4-0ubuntu7 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 32
  UpgradeStatus: No upgrade log present (probably fresh install)

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