[Bug 1019680] Re: package man-db 2.6.1-2 failed to install/upgrade: ErrorMessage: 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/1019680

Title:
  package man-db 2.6.1-2 failed to install/upgrade: ErrorMessage:
  subprocess installed post-installation script returned error exit
  status 255

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

Bug description:
  occured on upgrade to 1204

  ProblemType: Package
  DistroRelease: Ubuntu 12.04
  Package: man-db 2.6.1-2
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic-pae 3.2.19
  Uname: Linux 3.2.0-26-generic-pae i686
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu10
  Architecture: i386
  Date: Sat Jun 30 21:50:16 2012
  ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 255
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  SourcePackage: man-db
  Title: package man-db 2.6.1-2 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 255
  UpgradeStatus: Upgraded to precise on 2012-06-30 (0 days ago)

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