[Bug 991450] Re: package grub-pc 1.99-21ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 20

[Ubuntu Foundation's Bug Bot]

** Attachment removed: "VarLogDistupgradeAptclonesystemstatetargz.gz"
   https://bugs.launchpad.net/bugs/991450/+attachment/3117254/+files/VarLogDistupgradeAptclonesystemstatetargz.gz

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Title:
  package grub-pc 1.99-21ubuntu3 failed to install/upgrade:
  ErrorMessage: subprocess installed post-installation script returned
  error exit status 20

Status in “grub2” package in Ubuntu:
  New

Bug description:
  no clue

  ProblemType: Package
  DistroRelease: Ubuntu 12.04
  Package: grub-pc 1.99-21ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic x86_64
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  Date: Sun Apr 29 22:21:40 2012
  ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 20
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-17-generic root=UUID=a12a7726-084d-4456-958c-3622eae278ef ro quiet splash pcie_aspm=force acpi=noirq
  SourcePackage: grub2
  Title: package grub-pc 1.99-21ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 20
  UpgradeStatus: Upgraded to precise on 2012-04-29 (0 days ago)

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