[Bug 1813293] Re: package grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127

[Rafel Amer Ramon]

In Linux Mint 19.1, I get the error

Setting up grub-efi-amd64 (2.02-2ubuntu8.10) ...
db is empty
x509: Cannot open input file *.der, No such file or directory
x509: Use -help for summary.
dpkg: error processing package grub-efi-amd64 (--configure):
 installed grub-efi-amd64 package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of grub-efi-amd64-signed:
 grub-efi-amd64-signed depends on grub-efi-amd64 | grub-pc; however:
  Package grub-efi-amd64 is not configured yet.
  Package grub-pc is not installed.

dpkg: error processing package grub-efi-amd64-signed (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                          Errors were encountered while processing:
 grub-efi-amd64
 grub-efi-amd64-signed
E: Sub-process /usr/bin/dpkg returned an error code (1)

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Title:
  package grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade:
  installed grub-efi-amd64 package post-installation script subprocess
  returned error exit status 127

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  grub seemed partially crashed in starting system

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: grub-efi-amd64 2.02-2ubuntu8.10
  ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
  Uname: Linux 4.15.0-43-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  Date: Thu Jan 24 21:58:02 2019
  ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
  InstallationDate: Installed on 2019-01-22 (2 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  InvalidGrubScript: /etc/default/grub
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 3.6.7-1~18.04
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2.1
   apt  1.6.7
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)

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