[Bug 941527] Re: Repair Broken System Package From Software Manager yields the following: package apt 0.8.16~exp12ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[RedSingularity]

Discussed problem in the forums.  Closing report.
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** Changed in: apt (Ubuntu)
       Status: New => Invalid

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Title:
  Repair Broken System Package From Software Manager yields the
  following: package apt 0.8.16~exp12ubuntu4 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 127

Status in “apt” package in Ubuntu:
  Invalid

Bug description:
  I'm not sure which package this appeared, sorry.  I am attempting to
  repair a broken package within the software manager and its broken.  I
  am attempting to fix it within the Server portion of the Ubuntu forums
  in the thread titled "Ubuntu Server 64 w/ Desktop GUI Accidental
  Upgrade"

  ProblemType: Package
  DistroRelease: Ubuntu 12.04
  Package: apt 0.8.16~exp12ubuntu4
  ProcVersionSignature: Ubuntu 3.2.0-16.25-generic 3.2.6
  Uname: Linux 3.2.0-16-generic x86_64
  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  Date: Sun Feb 26 12:02:25 2012
  DpkgTerminalLog:
   Setting up apt (0.8.16~exp12ubuntu4) ...
   gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP
   gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP
   dpkg: error processing apt (--configure):
    subprocess installed post-installation script returned error exit status 127
  DuplicateSignature:
   Setting up apt (0.8.16~exp12ubuntu4) ...
   gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP
   gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP
   dpkg: error processing apt (--configure):
    subprocess installed post-installation script returned error exit status 127
  ErrorMessage: subprocess installed post-installation script returned error exit status 127
  InstallationMedia: Ubuntu-Server 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  SourcePackage: apt
  Title: package apt 0.8.16~exp12ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
  UpgradeStatus: Upgraded to precise on 2012-02-24 (1 days ago)

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