[Bug 1800363] Re: package grub-efi-amd64-signed 1.102+2.02-2ubuntu13 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 1.102+2.02-2ubuntu13 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 appeared during upgrade 18.04 to 18.10

  ProblemType: Package
  DistroRelease: Ubuntu 18.10
  Package: grub-efi-amd64-signed 1.102+2.02-2ubuntu13
  ProcVersionSignature: Ubuntu 4.17.0-6.7-generic 4.17.9
  Uname: Linux 4.17.0-6-generic x86_64
  ApportVersion: 2.20.10-0ubuntu7
  Architecture: amd64
  Date: Sun Oct 28 21:36:29 2018
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2018-09-24 (34 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.6-1
  PythonDetails: /usr/bin/python2.7, Python 2.7.15, python-minimal, 2.7.15-3
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu3
   apt  1.7.0~alpha2ubuntu2
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.102+2.02-2ubuntu13 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to cosmic on 2018-10-28 (0 days ago)

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