[Bug 1897612] Re: package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1

[Pablo Caviglia]

*** This bug is a duplicate of bug 1896127 ***
    https://bugs.launchpad.net/bugs/1896127

it seems it's because I've disabled the /boot/efi partition from the
fstab

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Title:
  package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to
  install/upgrade: installed shim-signed package post-installation
  script subprocess returned error exit status 1

Status in shim-signed package in Ubuntu:
  New

Bug description:
  after upgrading the system get an error popup

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2
  ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.6
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Mon Sep 28 14:42:07 2020
  DuplicateSignature:
   package:shim-signed:1.40.4+15+1552672080.a4a1fbe-0ubuntu2
   Setting up shim-signed (1.40.4+15+1552672080.a4a1fbe-0ubuntu2) ...
   dpkg: error processing package shim-signed (--configure):
    installed shim-signed package post-installation script subprocess returned error exit status 1
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2020-09-21 (7 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  Missing: /boot/efi/EFI/ubuntu directory is missing
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.2ubuntu0.1
  SourcePackage: shim-signed
  Title: package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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