[Bug 642326] Re: package man-db 2.5.7-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 255

[Colin Watson]

*** This bug is a duplicate of bug 1372673 ***
    https://bugs.launchpad.net/bugs/1372673

Thanks for your report.  The basic problem here is that man-db's trigger
uses debconf to decide whether to update the manual page database, but
debconf is not always reliably usable in triggers.  I finally figured
out a simple way to avoid this problem, which I'm tracking as bug
1372673.  If you are still affected by this locally (which I realise is
unlikely in the case of some of the older bugs of this type), then
running "sudo dpkg --configure -a && sudo apt-get -f install" in a
terminal should normally be enough to get the package management system
back to a sensible state.

** This bug has been marked a duplicate of bug 1372673
   excessive debconf use when triggered

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https://bugs.launchpad.net/bugs/642326

Title:
  package man-db 2.5.7-2 failed to install/upgrade: subprocess installed
  post-installation script returned error exit status 255

Status in “man-db” package in Ubuntu:
  New

Bug description:
  Binary package hint: man-db

  Error at installing ddclient from Synaptic

  ProblemType: Package
  DistroRelease: Ubuntu 10.04
  Package: man-db 2.5.7-2
  ProcVersionSignature: Ubuntu 2.6.32-25.43-generic 2.6.32.21+drm33.7
  Uname: Linux 2.6.32-25-generic x86_64
  NonfreeKernelModules: nvidia
  AptOrdering:
   ddclient: Install
   ddclient: Configure
  Architecture: amd64
  Date: Sat Sep 18 22:18:01 2010
  ErrorMessage: subprocess installed post-installation script returned error exit status 255
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100328)
  SourcePackage: man-db
  Title: package man-db 2.5.7-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 255

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