Public bug reported: I was doing a system update and update manager was stuck on installing docker.io,
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: docker.io 1.12.1-0ubuntu13~16.04.1 ProcVersionSignature: Ubuntu 4.4.0-39.59-generic 4.4.21 Uname: Linux 4.4.0-39-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 Date: Thu Sep 29 13:55:31 2016 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2015-10-26 (338 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.14 SourcePackage: docker.io Title: package docker.io 1.12.1-0ubuntu13~16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to xenial on 2016-04-29 (153 days ago) ** Affects: docker.io (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package package-from-proposed third-party-packages xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1628945 Title: System update failed on : package docker.io 1.12.1-0ubuntu13~16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/docker.io/+bug/1628945/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs