dpkg trigger cycle detection was an experimental feature in Debian, and subsequently Ubuntu, was has now been removed from dpkg. Therefore, this bug report is no longer valid and I'm marking it as such.
If you are interested in more information about this issue you could look at: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776910#42 ** Bug watch added: Debian Bug tracker #776910 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776910 ** Changed in: initramfs-tools (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu. https://bugs.launchpad.net/bugs/1432070 Title: package initramfs-tools 0.103ubuntu13 failed to install/upgrade: triggers looping, abandoned Status in initramfs-tools package in Ubuntu: Won't Fix Bug description: sudo apt-get upgrade -y ProblemType: Package DistroRelease: Ubuntu 15.04 Package: initramfs-tools 0.103ubuntu13 ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0 Uname: Linux 3.19.0-7-generic x86_64 ApportVersion: 2.16.2-0ubuntu3 Architecture: amd64 Date: Fri Mar 13 23:46:26 2015 DuplicateSignature: package:initramfs-tools:0.103ubuntu13:triggers looping, abandoned ErrorMessage: triggers looping, abandoned InstallationDate: Installed on 2015-02-18 (22 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) PackageArchitecture: all SourcePackage: initramfs-tools Title: package initramfs-tools 0.103ubuntu13 failed to install/upgrade: triggers looping, abandoned UpgradeStatus: Upgraded to vivid on 2015-03-07 (6 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1432070/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp