[Bug 1679784] Re: 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 Crashed on changing from Xorg video driver to NVIDIA driver

[Steve Langasek]

Glad to know that you were able to resolve the problem.  Can you still
answer the question from my previous mail so that we're able to help
other users avoid this problem?  I.e.:


> Can you please describe exactly how you went about installing the nvidia
> driver, step by step? What did you click on at each step, etc.

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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 Crashed on changing from Xorg
  video driver to NVIDIA driver

Status in shim-signed package in Ubuntu:
  Incomplete

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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