[Bug 1668092] Re: (16.04 upgrade, non-UEFI system) package shim-signed 1.19~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

** Summary changed:

- package shim-signed 1.19~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
+ (16.04 upgrade, non-UEFI system) package shim-signed 1.19~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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Title:
  (16.04 upgrade, non-UEFI system) package shim-signed
  1.19~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess
  installed post-installation script returned error exit status 1

Status in shim-signed package in Ubuntu:
  Confirmed

Bug description:
  got this error while upgrading to 14.04 to 16.04

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.19~16.04.1+0.8-0ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-64.85-generic 4.4.44
  Uname: Linux 4.4.0-64-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Mon Feb 27 00:01:09 2017
  EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: efibootmgr: EFI variables are not supported on this system.
  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 1.19~16.04.1+0.8-0ubuntu2 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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