[Bug 899521] Re: package grub-pc 1.99~rc1-13ubuntu3 [modified: usr/sbin/grub-install] failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[Ubuntu Foundation's Bug Bot]

** Attachment removed: "VarLogDistupgradeAptclonesystemstatetargz.gz"
   https://bugs.launchpad.net/bugs/899521/+attachment/2617371/+files/VarLogDistupgradeAptclonesystemstatetargz.gz

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Title:
  package grub-pc 1.99~rc1-13ubuntu3 [modified: usr/sbin/grub-install]
  failed to install/upgrade: ErrorMessage: subprocess installed post-
  installation script returned error exit status 1

Status in “grub2” package in Ubuntu:
  New

Bug description:
  i was trying to upgrade ubuntu 10.04 to 11.04  but at the final stage of installation i got an error message stating that the image 
  file could not be processed.

  ProblemType: Package
  DistroRelease: Ubuntu 11.04
  Package: grub-pc 1.99~rc1-13ubuntu3 [modified: usr/sbin/grub-install]
  ProcVersionSignature: Ubuntu 2.6.35-30.61-generic 2.6.35.13
  Uname: Linux 2.6.35-30-generic i686
  Architecture: i386
  Date: Sat Dec  3 12:23:57 2011
  ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-30-generic root=UUID=2270BC6870BC4477 loop=/hostname/disks/root.disk ro quiet splash
  SourcePackage: grub2
  Title: package grub-pc 1.99~rc1-13ubuntu3 [modified: usr/sbin/grub-install] failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to natty on 2011-12-03 (0 days ago)

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