[Bug 1914956] Re: package grub-efi-amd64-signed 1.158+2.04-1ubuntu37 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[Steve Langasek]

*** This bug is a duplicate of bug 1928352 ***
    https://bugs.launchpad.net/bugs/1928352

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1928352, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 1928352
   package shim-signed 1.47+15.4-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1

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https://bugs.launchpad.net/bugs/1914956

Title:
  package grub-efi-amd64-signed 1.158+2.04-1ubuntu37 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 1

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  I am using an older machine and my version of 20.04 failed to work
  after a move to a new location and a long period of storage.  I tried
  reinstalling the LTS, but still no luck.  I tried 21.04 and the same
  result, so I think this bug has to do with the integrated graphics on
  my Gigabit MB being faulty, I have installed a nVidia Quatro K2200,
  and it seems to be working fine now.

  Sorry for the false positive.

  Rod Hutchinson

  ProblemType: Package
  DistroRelease: Ubuntu 21.04
  Package: grub-efi-amd64-signed 1.158+2.04-1ubuntu37
  ProcVersionSignature: Ubuntu 5.8.0-36.40+21.04.1-generic 5.8.18
  Uname: Linux 5.8.0-36-generic x86_64
  ApportVersion: 2.20.11-0ubuntu55
  AptOrdering:
   usbutils:amd64: Install
   grub-efi-amd64-signed:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Sun Feb  7 06:49:01 2021
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2021-02-07 (0 days ago)
  InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210123)
  Python3Details: /usr/bin/python3.9, Python 3.9.1+, python3-minimal, 3.9.0-3ubuntu1
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.20.5ubuntu3
   apt  2.1.18
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.158+2.04-1ubuntu37 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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