[Bug 717928] Re: package man-db 2.5.7-2ubuntu1 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/717928

Title:
  package man-db 2.5.7-2ubuntu1 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

  automatic update packages came in, apparently one  failed to load properly. I am not a programmer person and could not figure out how to redo. I do not know what a man-db is. Googling or reading the 10.04 manual never helped me to comprehend since I dont understand most of the language
  I am not sure this is a bug
  I am clueless what the failure to install upgrade will do to affect my system
  I expected what is sent in automatic updates to load
  apparently it didnt and my computer asked me to send the error report

  ProblemType: Package
  DistroRelease: Ubuntu 10.04
  Package: man-db 2.5.7-2ubuntu1
  ProcVersionSignature: Ubuntu 2.6.32-28.55-generic 2.6.32.27+drm33.12
  Uname: Linux 2.6.32-28-generic i686
  Architecture: i386
  Date: Sat Feb 12 14:01:15 2011
  ErrorMessage: subprocess installed post-installation script returned error exit status 255
  SourcePackage: man-db
  Title: package man-db 2.5.7-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 255

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