You have a broken third party init script installed named "discagent". You will need to remove it.
** Changed in: util-linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/1781608 Title: package util-linux 2.27.1-6ubuntu3.4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 Status in util-linux package in Ubuntu: Invalid Bug description: Was part of a group of packages that apt-get upgrade pulled down. ProblemType: Package DistroRelease: Ubuntu 16.04 Package: util-linux 2.27.1-6ubuntu3.4 ProcVersionSignature: Ubuntu 4.4.0-67.88-generic 4.4.49 Uname: Linux 4.4.0-67-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Fri Jul 13 10:21:56 2018 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-20160624-2 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2018-06-26 (17 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47 RelatedPackageVersions: dpkg 1.18.4ubuntu1.4 apt 1.2.10ubuntu1 SourcePackage: util-linux Title: package util-linux 2.27.1-6ubuntu3.4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.pam.d.runuser: 2018-07-12T17:51:21.962750 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1781608/+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