[Bug 1776885] Re: package grub-pc 2.02~beta2-36ubuntu3.17 failed to install/upgrade: subprocess installed. post-installation script returned error exit status 10

[Phillip Susi]

Please edit /var/lib/dpkg/info/grub-pc.postinst and change the second
line from set -e to set -ex, then run sudo apt-get install -f to try
again and paste the output.


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

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Title:
  package grub-pc 2.02~beta2-36ubuntu3.17 failed to install/upgrade:
  subprocess installed. post-installation script returned error exit
  status 10

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  terminal displayed this along with other stuff:
  dpkg: error processing package grub-pc (--configure):
   subprocess installed post-installation script returned error exit status 10

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: grub-pc 2.02~beta2-36ubuntu3.17
  ProcVersionSignature: Ubuntu 4.13.0-38.43~16.04.1-generic 4.13.16
  Uname: Linux 4.13.0-38-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  Date: Thu Jun 14 18:14:48 2018
  DpkgHistoryLog:
   Start-Date: 2018-06-14  18:14:43
   Commandline: apt-get install python3-tk
   Requested-By: francis (1000)
   Install: blt:amd64 (2.5.3+dfsg-3, automatic), tk8.6-blt2.5:amd64 (2.5.3+dfsg-3, automatic), python3-tk:amd64 (3.5.1-1)
  DuplicateSignature:
   package:grub-pc:2.02~beta2-36ubuntu3.17
   Setting up grub-pc (2.02~beta2-36ubuntu3.17) ...
   dpkg: error processing package grub-pc (--configure):
    subprocess installed post-installation script returned error exit status 10
  ErrorMessage: subprocess installed post-installation script returned error exit status 10
  InstallationDate: Installed on 2017-09-26 (260 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-38-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.4
   apt  1.2.26
  SourcePackage: grub2
  Title: package grub-pc 2.02~beta2-36ubuntu3.17 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10
  UpgradeStatus: No upgrade log present (probably fresh install)

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