[Bug 1374705] Re: package grub-pc 2.02~beta2-9ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[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: Confirmed => Incomplete

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Title:
  package grub-pc 2.02~beta2-9ubuntu1 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.4 upgrade to 12.4.x failed with problem with ZFS

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: grub-pc 2.02~beta2-9ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  NonfreeKernelModules: zfs zcommon znvpair zavl zunicode
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  Date: Sat Sep 27 09:17:51 2014
  DuplicateSignature: package:grub-pc:2.02~beta2-9ubuntu1:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  ProcCmdLine: BOOT_IMAGE=/ROOT/ubuntu-1/@/boot/vmlinuz-3.2.0-23-generic root=/dev/sda2 ro boot=zfs zfs-bootfs=garageroot/21 quiet splash
  SourcePackage: grub2
  Title: package grub-pc 2.02~beta2-9ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to trusty on 2014-09-27 (0 days ago)

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