[Bug 1940588] Re: package shim-signed 1.40.7+15.4-0ubuntu9 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 32

[Steve Langasek]

*** This bug is a duplicate of bug 1940723 ***
    https://bugs.launchpad.net/bugs/1940723

** This bug has been marked a duplicate of bug 1940723
   shim-signed fails to install if grub disk config is incorrect

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https://bugs.launchpad.net/bugs/1940588

Title:
  package shim-signed 1.40.7+15.4-0ubuntu9 failed to install/upgrade:
  installed shim-signed package post-installation script subprocess
  returned error exit status 32

Status in shim-signed package in Ubuntu:
  New

Bug description:
  I tried to select 2 available options > clicking "Next" > Error
  message appear instead

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: shim-signed 1.40.7+15.4-0ubuntu9
  ProcVersionSignature: Ubuntu 5.11.0-27.29~20.04.1-generic 5.11.22
  Uname: Linux 5.11.0-27-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  BootEFIContents:
   BOOTX64.CSV
   grub.cfg
   grubx64.efi
   mmx64.efi
   shimx64.efi
  CasperMD5CheckResult: skip
  Date: Fri Aug 20 07:13:47 2021
  DuplicateSignature:
   package:shim-signed:1.40.7+15.4-0ubuntu9
   Setting up shim-signed (1.40.7+15.4-0ubuntu9) ...
   mount: /var/lib/grub/esp: special device /, does not exist.
   dpkg: error processing package shim-signed (--configure):
    installed shim-signed package post-installation script subprocess returned error exit status 32
  ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 32
  InstallationDate: Installed on 2021-07-28 (22 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.6
  SecureBoot: 6   0   0   0   1
  SourcePackage: shim-signed
  Title: package shim-signed 1.40.7+15.4-0ubuntu9 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 32
  UpgradeStatus: No upgrade log present (probably fresh install)

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