[Bug 1573861] Re: package shim-signed 1.12+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

There is no information in your dpkg log about why this package is
installed.  This package is only for UEFI systems, and the error message
shows that your system is not booted in UEFI mode.  Why are you
installing the shim package?

** Changed in: shim-signed (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1573861

Title:
  package shim-signed 1.12+0.8-0ubuntu2 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  after this `https://bugs.launchpad.net/ubuntu/+source/grub-
  installer/+bug/1573858` force boot see this but.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.12+0.8-0ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Sat Apr 23 08:25:18 2016
  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
   apt  1.2.10ubuntu1
  SourcePackage: shim-signed
  Title: package shim-signed 1.12+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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