[Bug 1679784] Re: Changing from Xorg video driver to NVIDIA driver using Software & Updates does not display debconf prompt

[Launchpad Bug Tracker]

This bug was fixed in the package software-properties - 0.96.24.13

---------------
software-properties (0.96.24.13) zesty; urgency=medium

  * software-properties-gtk: also fix the backend code to set the gnome
    debconf frontend, without which libgtk2-perl goes unused.

 -- Steve Langasek <steve.langasek at ubuntu.com>  Mon, 10 Apr 2017
14:25:17 -0700

** Changed in: software-properties (Ubuntu)
       Status: Triaged => Fix Released

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Title:
  Changing from Xorg video driver to NVIDIA driver using Software &
  Updates does not display debconf prompt

Status in shim-signed package in Ubuntu:
  Invalid
Status in software-properties package in Ubuntu:
  Fix Released

Bug description:
  I've encountered this repeatedly.

  In the first installation -- on updating via Software Updater, this
  crashed on upgrading the shim-signed package.

  On suggestions from here:

  I upgrade the system via CLI, i.e. dist-upgrade. This seemed to work,
  however when I now try to swap the display driver, from xorg -->
  nvidia. This now triggered the same issue.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-72.93-generic 4.4.49
  Uname: Linux 4.4.0-72-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  Date: Tue Apr  4 18:21:32 2017
  DuplicateSignature:
   package:shim-signed:1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
   Processing triggers for shim-signed (1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1) ...
   Running in non-interactive mode, doing nothing.
   dpkg: error processing package shim-signed (--configure):
    subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2017-04-04 (0 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.19
  SourcePackage: shim-signed
  Title: package shim-signed 1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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