[Bug 1825211] Re: package menu 2.1.47ubuntu3 failed to install/upgrade: triggers looping, abandoned

[Brian Murray]

I was able to recreate this today by taking a stock cosmic lxc image,
installing ubuntu-mate-desktop, and then upgrading to disco.  Here's the
DuplicateSignature from the crash:

== DuplicateSignature =================================
package:libvlc-bin:3.0.6-1
Setting up fontconfig (2.13.1-2ubuntu2) ...
Regenerating fonts cache... done.
dpkg: cycle found while processing triggers:
 chain of packages whose triggers are or may be responsible:
  bamfdaemon -> mime-support
 packages' pending triggers which are or may be unresolvable:
  libvlc-bin:amd64: /usr/lib/x86_64-linux-gnu/vlc/plugins
  dbus: /etc/dbus-1/system.d
  ca-certificates: update-ca-certificates
  gnome-icon-theme: /usr/share/icons/gnome
  libc-bin: ldconfig
  dictionaries-common: update-default-ispell: update-default-wordlist: aspell-autobuildhash
  hicolor-icon-theme: /usr/share/icons/hicolor
  initramfs-tools: update-initramfs
  mime-support: /usr/share/applications: /usr/lib/mime/packages
  bamfdaemon: /usr/share/applications
dpkg: error processing package libvlc-bin:amd64 (--configure):
 triggers looping, abandoned

I submitted bug 1828639 with details.

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https://bugs.launchpad.net/bugs/1825211

Title:
  package menu 2.1.47ubuntu3 failed to install/upgrade: triggers
  looping, abandoned

Status in dpkg package in Ubuntu:
  Confirmed

Bug description:
  This was during a "regular" update of Disco during its development
  cycle.

  ProblemType: Package
  DistroRelease: Ubuntu 19.04
  Package: menu 2.1.47ubuntu3
  ProcVersionSignature: Ubuntu 5.0.0-7.8-generic 5.0.0
  Uname: Linux 5.0.0-7-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  Date: Wed Apr 17 08:35:29 2019
  ErrorMessage: triggers looping, abandoned
  InstallationDate: Installed on 2016-01-22 (1180 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160117)
  Python3Details: /usr/bin/python3.7, Python 3.7.3, python3-minimal, 3.7.3-1
  PythonDetails: /usr/bin/python2.7, Python 2.7.16, python-minimal, 2.7.16-1
  RelatedPackageVersions:
   dpkg 1.19.6ubuntu1
   apt  1.8.0
  SourcePackage: menu
  Title: package menu 2.1.47ubuntu3 failed to install/upgrade: triggers looping, abandoned
  UpgradeStatus: Upgraded to disco on 2019-01-22 (84 days ago)

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