[Bug 1513692] Re: package man-db 2.7.4-1 failed to install/upgrade: triggers looping, abandoned

[Colin Watson]

dpkg: cycle found while processing triggers:
 chain of packages whose triggers are or may be responsible:
  bamfdaemon -> bamfdaemon
 packages' pending triggers which are or may be unresolvable:
  dbus: /usr/share/dbus-1/system-services: /etc/dbus-1/system.d
  gnome-menus: /usr/share/applications
  man-db: /usr/share/man
  systemd: /etc/init.d
  libc-bin: ldconfig
  bamfdaemon: /usr/share/applications
  initramfs-tools: update-initramfs
  libgdk-pixbuf2.0-0:amd64: /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders
  dictionaries-common: update-default-ispell: update-default-wordlist: aspell-autobuildhash
  ureadahead: /etc/init.d: /etc/init
  gconf2: /usr/share/GConf/gsettings: /usr/share/gconf/schemas
  ufw: /etc/ufw/applications.d

I think man-db is/was the victim of a dpkg bug here, so reassigning.

** Package changed: man-db (Ubuntu) => dpkg (Ubuntu)

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https://bugs.launchpad.net/bugs/1513692

Title:
  package man-db 2.7.4-1 failed to install/upgrade: triggers looping,
  abandoned

Status in dpkg package in Ubuntu:
  Triaged

Bug description:
  happened during 16.04 upgradation from 15.10

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: man-db 2.7.4-1
  ProcVersionSignature: Ubuntu 4.2.0-17.21-generic 4.2.3
  Uname: Linux 4.2.0-17-generic x86_64
  ApportVersion: 2.19.2-0ubuntu3
  Architecture: amd64
  Date: Fri Nov  6 08:38:16 2015
  DuplicateSignature: package:man-db:2.7.4-1:triggers looping, abandoned
  ErrorMessage: triggers looping, abandoned
  InstallationDate: Installed on 2015-11-05 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  RelatedPackageVersions:
   dpkg 1.18.3ubuntu1
   apt  1.0.10.2ubuntu1
  SourcePackage: man-db
  Title: package man-db 2.7.4-1 failed to install/upgrade: triggers looping, abandoned
  UpgradeStatus: Upgraded to xenial on 2015-11-06 (0 days ago)

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