[Bug 1796770] Re: package grub-efi-amd64-signed 1.108+2.02+dfsg1-5ubuntu6 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[Sebastien Bacher]

*** This bug is a duplicate of bug 1805490 ***
    https://bugs.launchpad.net/bugs/1805490

** This bug has been marked a duplicate of bug 1805490
   Grub2 Failed to install "efibootmgr failed to register the boot entry: Block device required."

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Title:
  package grub-efi-amd64-signed 1.108+2.02+dfsg1-5ubuntu6 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:
  Confirmed

Bug description:
  system was executing a system update and failed to do so.

  ProblemType: Package
  DistroRelease: Ubuntu 18.10
  Package: grub-efi-amd64-signed 1.108+2.02+dfsg1-5ubuntu6
  ProcVersionSignature: Ubuntu 4.18.0-9.10-generic 4.18.12
  Uname: Linux 4.18.0-9-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.10-0ubuntu11
  Architecture: amd64
  Date: Mon Oct  8 16:27:21 2018
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  Python3Details: /usr/bin/python3.6, Python 3.6.7rc1, python3-minimal, 3.6.6-1
  PythonDetails: /usr/bin/python2.7, Python 2.7.15+, python-minimal, 2.7.15-3
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu5
   apt  1.7.0
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.108+2.02+dfsg1-5ubuntu6 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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