Thanks for filing this bug in Ubuntu. The logs show: Setting up ntp (1:4.2.8p10+dfsg-5ubuntu3.2) ... Installing new version of config file /etc/apparmor.d/usr.sbin.ntpd ... Segmentation fault (core dumped) dpkg: error processing package ntp (--configure): subprocess installed post-installation script returned error exit status 139
And in dmesg: [721832.927616] addgroup[1326]: segfault at 339 ip 00005569dd6ce6f6 sp 00007ffd260fb1f0 error 4 in perl[5569dd5bb000+1f7000] The ntp postinst always calls addgroup and adduser: if [ "$1" = "configure" ]; then addgroup --system --quiet ntp adduser --system --quiet --ingroup ntp --no-create-home --home /nonexistent ntp ... Can you check if you already have an ntp user and group please: id ntp getent group ntp getent passwd ntp And try one more time: sudo apt update sudo apt -f install Please post back the results. Thanks! ** Changed in: ntp (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ntp in Ubuntu. https://bugs.launchpad.net/bugs/1753059 Title: package ntp 1:4.2.8p10+dfsg-5ubuntu3.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 139 Status in ntp package in Ubuntu: Incomplete Bug description: Issue with package install was reported by system after using Software Updater to install new updates on Lubuntu 17.10. Equipment is a Dell Optiplex GX620. ProblemType: Package DistroRelease: Ubuntu 17.10 Package: ntp 1:4.2.8p10+dfsg-5ubuntu3.2 ProcVersionSignature: Ubuntu 4.13.0-36.40-generic 4.13.13 Uname: Linux 4.13.0-36-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.7 Architecture: amd64 Date: Sat Mar 3 02:32:57 2018 DuplicateSignature: package:ntp:1:4.2.8p10+dfsg-5ubuntu3.2 Installing new version of config file /etc/apparmor.d/usr.sbin.ntpd ... Segmentation fault (core dumped) dpkg: error processing package ntp (--configure): subprocess installed post-installation script returned error exit status 139 ErrorMessage: subprocess installed post-installation script returned error exit status 139 InstallationDate: Installed on 2017-12-30 (62 days ago) InstallationMedia: Lubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1) ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.13.0-36-generic root=UUID=f42c87eb-f326-4389-a256-d2a9d596508e ro quiet splash vt.handoff=7 Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1 RelatedPackageVersions: dpkg 1.18.24ubuntu1 apt 1.5.1 SourcePackage: ntp Title: package ntp 1:4.2.8p10+dfsg-5ubuntu3.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 139 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1753059/+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