[Bug 1897420] Re: package grub-efi-amd64-signed 1.142.7+2.04-1ubuntu26.5 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32

[Apport retracing service]

** Tags removed: need-duplicate-check

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https://bugs.launchpad.net/bugs/1897420

Title:
  package grub-efi-amd64-signed 1.142.7+2.04-1ubuntu26.5 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 32

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  Prompt grub installation error after boot

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.142.7+2.04-1ubuntu26.5
  ProcVersionSignature: Ubuntu 5.4.0-49.53-generic 5.4.65
  Uname: Linux 5.4.0-49-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.9
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Sat Sep 26 10:07:01 2020
  DuplicateSignature:
   package:grub-efi-amd64-signed:1.142.7+2.04-1ubuntu26.5
   Setting up grub-efi-amd64-signed (1.142.7+2.04-1ubuntu26.5) ...
   mount: /var/lib/grub/esp: 特殊设备 /, 不存在.
   dpkg: error processing package grub-efi-amd64-signed (--configure):
    installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  InstallationDate: Installed on 2020-09-03 (23 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.3
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.142.7+2.04-1ubuntu26.5 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  UpgradeStatus: No upgrade log present (probably fresh install)

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