[Bug 1872077] Re: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to install/upgrade with mount: /var/lib/grub/esp: special device /, does not exist

[Derk Willem te Bokkel]

having multiple real installs on a computer of different versions of
linux (ubuntu spins, lts, development versions) allows testing in a real
environment .. as opposed to a vm .. was a standard practise prior to
vm's existing

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https://bugs.launchpad.net/bugs/1872077

Title:
  package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to
  install/upgrade with mount: /var/lib/grub/esp: special device /, does
  not exist

Status in grub2-signed package in Ubuntu:
  Incomplete

Bug description:
  Booting up. Got failure message. That is all I know.

  Error from dpkg.log

  update-initramfs: deferring update (trigger activated)
  Setting up grub-efi-amd64-signed (1.140+2.04-1ubuntu24) ...
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  mount: /var/lib/grub/esp: special device /, does not exist.
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32


  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.140+2.04-1ubuntu24
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Fri Apr 10 08:10:38 2020
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  InstallationDate: Installed on 2020-03-21 (19 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200321)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.1ubuntu1
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 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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