[Bug 1521243] Re: package grub-pc 2.02~beta2-9ubuntu1.4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Deano]

output of ls /dev/mapper:

$ ls /dev/mapper/
control                   isw_ebdjecacec_Volume0p2
isw_ebdjecacec_Volume0p1  isw_ebdjecacec_Volume0p5
cfduser at CFD4:~$

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https://bugs.launchpad.net/bugs/1521243

Title:
  package grub-pc 2.02~beta2-9ubuntu1.4 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in grub2 package in Ubuntu:
  New

Bug description:
  Upgrading from 12.04 to 14.04 via do-release-upgrade over ssh

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: grub-pc 2.02~beta2-9ubuntu1.4
  ProcVersionSignature: Ubuntu 3.13.0-68.111~precise1-generic 3.13.11-ckt27
  Uname: Linux 3.13.0-68-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  Date: Mon Nov 30 15:48:43 2015
  DuplicateSignature: package:grub-pc:2.02~beta2-9ubuntu1.4:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-68-generic root=UUID=269b5066-34c1-4414-a173-32f248115ae9 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.17.5ubuntu5.5
   apt  1.0.1ubuntu2.10
  SourcePackage: grub2
  Title: package grub-pc 2.02~beta2-9ubuntu1.4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to trusty on 2015-11-30 (0 days ago)

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