[Bug 1259558] Re: package shim-signed 1.5~13.04.1+0.4-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

You appear to have the 'grub' package installed on your system.  If you
are on an EFI system, you must be using grub2.  Please install the grub-
efi-amd64 package to fix this issue.

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https://bugs.launchpad.net/bugs/1259558

Title:
  package shim-signed 1.5~13.04.1+0.4-0ubuntu4 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1

Status in “shim-signed” package in Ubuntu:
  Triaged

Bug description:
  it happens when start to upgrade 13.04 to 13.10 ubuntu

  ProblemType: Package
  DistroRelease: Ubuntu 13.04
  Package: shim-signed 1.5~13.04.1+0.4-0ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
  Uname: Linux 3.8.0-31-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: amd64
  Date: Tue Dec 10 13:52:18 2013
  DuplicateSignature: package:shim-signed:1.5~13.04.1+0.4-0ubuntu4:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2013-04-27 (227 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  SourcePackage: shim-signed
  Title: package shim-signed 1.5~13.04.1+0.4-0ubuntu4 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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