[Bug 1531243] Re: package grub-common 2.02~beta2-29ubuntu0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Apport retracing service]

** Tags removed: need-duplicate-check

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https://bugs.launchpad.net/bugs/1531243

Title:
  package grub-common 2.02~beta2-29ubuntu0.2 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  No clue.  Just following prompts.  (I'm not a techie.)

  ProblemType: Package
  DistroRelease: Ubuntu 15.10
  Package: grub-common 2.02~beta2-29ubuntu0.2
  ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
  Uname: Linux 4.2.0-22-generic i686
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: i386
  Date: Tue Jan  5 10:48:05 2016
  DpkgHistoryLog:
   Start-Date: 2016-01-05  10:47:12
   Commandline: /usr/bin/unattended-upgrade
   Install: linux-image-extra-4.2.0-23-generic:i386 (4.2.0-23.28, automatic), linux-image-4.2.0-23-generic:i386 (4.2.0-23.28, automatic), linux-headers-4.2.0-23-generic:i386 (4.2.0-23.28, automatic), linux-headers-4.2.0-23:i386 (4.2.0-23.28, automatic)
   Upgrade: linux-generic:i386 (4.2.0.22.24, 4.2.0.23.25), linux-libc-dev:i386 (4.2.0-22.27, 4.2.0-23.28), linux-image-generic:i386 (4.2.0.22.24, 4.2.0.23.25), linux-headers-generic:i386 (4.2.0.22.24, 4.2.0.23.25)
  DuplicateSignature: package:grub-common:2.02~beta2-29ubuntu0.2:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-22-generic root=/dev/mapper/hostname--vg-root ro splash quiet vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.18.2ubuntu5.1
   apt  1.0.10.2ubuntu1
  SourcePackage: grub2
  Title: package grub-common 2.02~beta2-29ubuntu0.2 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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