[Bug 1819195] Re: package grub-efi-amd64-signed 1.93.13+2.02-2ubuntu8.12 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 255

[Apport retracing service]

** Tags removed: need-duplicate-check

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Title:
  package grub-efi-amd64-signed 1.93.13+2.02-2ubuntu8.12 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 255

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  Clueless

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: grub-efi-amd64-signed 1.93.13+2.02-2ubuntu8.12
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  AptOrdering:
   libglx0:amd64: Install
   libgles2:amd64: Install
   libegl1:amd64: Install
   libglvnd0:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  Date: Fri Mar  8 19:35:19 2019
  DuplicateSignature:
   package:grub-efi-amd64-signed:1.93.13+2.02-2ubuntu8.12
   Setting up grub-efi-amd64-signed (1.93.13+2.02-2ubuntu8.12) ...
   dpkg: error processing package grub-efi-amd64-signed (--configure):
    installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 255
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 255
  InstallationDate: Installed on 2019-02-24 (12 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2.1
   apt  1.6.8
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.93.13+2.02-2ubuntu8.12 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 255
  UpgradeStatus: No upgrade log present (probably fresh install)

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