Looks like a circular dependency that has nothing to do with ca- certificates:
dpkg: cycle found while processing triggers: chain of packages whose triggers are or may be responsible: gconf2 -> gconf2 packages' pending triggers which are or may be unresolvable: ca-certificates: update-ca-certificates ca-certificates postinst is not run because it waits for the dpkg problem to be solved first. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ca-certificates in Ubuntu. https://bugs.launchpad.net/bugs/1541716 Title: package ca-certificates 20150426ubuntu1 failed to install/upgrade: triggers looping, abandoned Status in ca-certificates package in Ubuntu: Confirmed Bug description: during installations on a dell laptop latitude d830 ProblemType: Package DistroRelease: Ubuntu 16.04 Package: ca-certificates 20150426ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0 Uname: Linux 4.4.0-2-generic x86_64 ApportVersion: 2.19.4-0ubuntu2 Architecture: amd64 Date: Wed Feb 3 22:29:11 2016 ErrorMessage: triggers looping, abandoned InstallationDate: Installed on 2016-02-04 (0 days ago) InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160103) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.1.10 SourcePackage: ca-certificates Title: package ca-certificates 20150426ubuntu1 failed to install/upgrade: triggers looping, abandoned UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ca-certificates/+bug/1541716/+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
