[Bug 1781394] Re: package shim-signed (not installed) failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1

[Steve Langasek]

*** This bug is a duplicate of bug 1766945 ***
    https://bugs.launchpad.net/bugs/1766945

** This bug has been marked a duplicate of bug 1766945
   (EFI on top of legacy install) choosing "replace" or "resize" options in partitioning may lead to an install failure

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https://bugs.launchpad.net/bugs/1781394

Title:
  package shim-signed (not installed) 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:
  package grub-efi-amd64-signed failed

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: shim-signed (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
  Uname: Linux 4.15.0-23-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  AptOrdering: NULL: ConfigurePending
  Architecture: amd64
  Date: Thu Jul 12 16:43:38 2018
  Df:
   Filesystem     1K-blocks    Used Available Use% Mounted on
   /dev/sda8      114821252 4116984 104828556   4% /
   udev             4003096       0   4003096   0% /dev
   tmpfs             804856    1752    803104   1% /run
   /dev/sda5        2886608   80156   2640104   3% /boot
  DpkgTerminalLog:
   Setting up shim-signed (1.34.9+13-0ubuntu2) ...
   Installing for x86_64-efi platform.
   grub-install: error: cannot find EFI directory.
   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
  Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
  PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.2
  SourcePackage: shim-signed
  Title: package shim-signed (not installed) 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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