[Bug 1198333] Re: package grub-efi-amd64 2.00-14ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 4

[Marcus Tomlinson]

This release of Ubuntu is no longer receiving maintenance updates. If
this is still an issue on a maintained version of Ubuntu please let us
know.

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

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Title:
  package grub-efi-amd64 2.00-14ubuntu1 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 4

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  After i installed grub-efi-amd64 and managed to boot into ubuntu, an
  error dialog popped up and tell me something went wrong with grub-efi-
  amd64, and then filed this bug.

  My machine is a MacBook Pro MD213,
  I installed Ubuntu 13.10 alpha1 in a legacy mode, and try to convert into EFI mode.

  ProblemType: Package
  DistroRelease: Ubuntu 13.10
  Package: grub-efi-amd64 2.00-14ubuntu1
  ProcVersionSignature: Ubuntu 3.10.0-2.9-generic 3.10.0
  Uname: Linux 3.10.0-2-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.10.2-0ubuntu3
  Architecture: amd64
  Date: Sat Jul  6 03:58:11 2013
  ErrorMessage: subprocess installed post-installation script returned error exit status 4
  InstallationDate: Installed on 2013-07-01 (4 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64+mac (20130630)
  InvalidGrubScript: /etc/grub.d/25_custom
  MarkForUpload: True
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.10.0-2-generic root=UUID=29740ce7-a7a7-4700-8090-3362bbff6eb8 ro elevator=noop quiet splash vt.handoff=7
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.00-14ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 4
  UpgradeStatus: No upgrade log present (probably fresh install)

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