Unfortunately there were more unattended upgrades that require a reboot since I filed this bug, so systemd-analyze can't see what happened any more.
As for systemd service files, I believe ntp has none. systemctl status ntp says Loaded: loaded (/etc/init.d/ntp; bad; vendor preset: enabled) which AFAIU means it's still using legacy sysvinit scripts. -- 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/1632575 Title: systemd starts two copies of ntp at boot time Status in ntp package in Ubuntu: Triaged Bug description: My system monitoring check noticed a stale /var/run/ntpd.pid pidfile on a xenial machine that rebooted at 2 AM after unattended upgrades. ntpd itself was running, but with a different pid. Digging through journalctl I can see Oct 12 02:00:11 xenial64 ntp[681]: * Starting NTP server ntpd Oct 12 02:00:11 xenial64 systemd[1]: Started Getty on tty1. Oct 12 02:00:11 xenial64 systemd[1]: Reached target Login Prompts. Oct 12 02:00:11 xenial64 systemd[1]: Stopped LSB: Start NTP daemon. Oct 12 02:00:11 xenial64 systemd[1]: Stopped LSB: Start NTP daemon. Oct 12 02:00:11 xenial64 run-parts[760]: run-parts: executing /etc/redis/redis-server.post-up.d/00_example Oct 12 02:00:11 xenial64 systemd[1]: Starting LSB: Start NTP daemon... Oct 12 02:00:11 xenial64 ntpd[719]: ntpd 4.2.8p4@1.3265-o Wed Oct 5 12:34:45 UTC 2016 (1): Starting Oct 12 02:00:11 xenial64 ntpd[719]: Command line: /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 109:114 Oct 12 02:00:11 xenial64 ntp[770]: * Starting NTP server ntpd Oct 12 02:00:11 xenial64 ntpd[778]: ntpd 4.2.8p4@1.3265-o Wed Oct 5 12:34:45 UTC 2016 (1): Starting Oct 12 02:00:11 xenial64 ntpd[778]: Command line: /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u 109:114 Oct 12 02:00:11 xenial64 ntp[770]: ...done. Oct 12 02:00:11 xenial64 systemd[1]: Started LSB: Start NTP daemon. Oct 12 02:00:11 xenial64 systemd[1]: Started Advanced key-value store. Oct 12 02:00:11 xenial64 ntpd[773]: proto: precision = 0.077 usec (-24) Oct 12 02:00:11 xenial64 ntpd[780]: proto: precision = 0.076 usec (-24) Oct 12 02:00:11 xenial64 ntpd[780]: unable to bind to wildcard address :: - another process may be running - EXITING Oct 12 02:00:11 xenial64 ntpd[773]: Listen and drop on 0 v6wildcard [::]:123 Oct 12 02:00:11 xenial64 ntpd[773]: Listen and drop on 1 v4wildcard 0.0.0.0:123 As you can see, for some reason systemd starts ntpd twice, so there's a race to take over the socket, and a race to take over the pidfile. ntpd[773] gets the socket, ntpd[780] gets the pidfile. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ntp 1:4.2.8p4+dfsg-3ubuntu5.3 ProcVersionSignature: Ubuntu 4.4.0-42.62-generic 4.4.21 Uname: Linux 4.4.0-42-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 Date: Wed Oct 12 06:18:29 2016 JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. ProcEnviron: LC_CTYPE=lt_LT.UTF-8 TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ntp UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1632575/+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
