[Bug 1591951] Re: package grub-common (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 1

[Phillip Susi]

You have a broken third party service installed named "S50shk_usb".
It's rc file lacks the required LSB headers.  You will need to fix or
remove it.


** Changed in: grub2 (Ubuntu)
       Status: New => Invalid

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Title:
  package grub-common (not installed) failed to install/upgrade:
  subprocess installed post-removal script returned error exit status 1

Status in grub2 package in Ubuntu:
  Invalid

Bug description:
  Ubuntu 16.04 LTS

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: grub-common (not installed)
  ProcVersionSignature: Ubuntu 4.4.0-24.43-lowlatency 4.4.10
  Uname: Linux 4.4.0-24-lowlatency x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Mon Jun 13 13:33:05 2016
  ErrorMessage: subprocess installed post-removal script returned error exit status 1
  InstallationDate: Installed on 2016-06-12 (0 days ago)
  InstallationMedia: Ubuntu-Studio 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.12~ubuntu16.04.1
  SourcePackage: grub2
  Title: package grub-common (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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