[Bug 1608759] Re: package shim-signed (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

Further examination of the logs shows that this was an install using the
16.04.1 install media.

We see that both grub and shim fail to install.  But there is no
information attached that would tell us the state of UEFI on your
system, or whether you even have a UEFI system.  Do you know if this
computer has UEFI?

** Summary changed:

- package shim-signed (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
+ 16.04.1, initial install, UEFI status unknown: package shim-signed (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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https://bugs.launchpad.net/bugs/1608759

Title:
  16.04.1, initial install, UEFI status unknown: package shim-signed
  (not installed) failed to install/upgrade: subprocess installed post-
  installation script returned error exit status 1

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  I am a newbie at this, so all I can give you is the report that popped
  up:

  crash-report
  Package:shim-signed 1.18 ~16.04.1 +0.8-Oubuntu2 ...

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed (not installed)
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Mon Aug  1 21:53:26 2016
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.12~ubuntu16.04.1
  SourcePackage: shim-signed
  Title: package shim-signed (not installed) 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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