[Bug 1165176] Re: package man-db 2.6.3-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[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/1165176

Title:
  package man-db 2.6.3-3 failed to install/upgrade: subprocess installed
  post-installation script returned error exit status 1

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

Bug description:
  Happened during update

  ProblemType: Package
  DistroRelease: Ubuntu 13.04
  Package: man-db 2.6.3-3
  ProcVersionSignature: Ubuntu 3.8.0-16.26-generic 3.8.5
  Uname: Linux 3.8.0-16-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.9.2-0ubuntu5
  Architecture: amd64
  Date: Tue Apr  2 21:24:39 2013
  DuplicateSignature:
   Processing triggers for man-db ...
   debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
   dpkg: error processing man-db (--unpack):
    subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2013-03-28 (5 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130328)
  MarkForUpload: True
  SourcePackage: man-db
  Title: package man-db 2.6.3-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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