[Bug 1528655] Re: Wily/15.10 - systemd hangs reboot + shutdown for long periods of time

[Martin Pitt]

So apparently you already identified some processes that hang on
shutdown. /usr/share/doc/systemd/README.Debian.gz describes how to find
and debug those.

If you want to keep this open against systemd, please attach
/var/log/syslog right after a reboot, which should still contain most of
the shutdown log from the previous boot (if that isn't sufficient, we'll
need a complete journal for shutdown, after enabling persistent journal
-- but let's get to that when we need it).

** Changed in: systemd (Ubuntu)
       Status: Confirmed => Incomplete

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Title:
  Wily/15.10 - systemd hangs reboot + shutdown for long periods of time

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  Yet another horrible bug related to systemd which delays shutdowns by
  minutes.

  https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1374759
  surfaces this problem + the bug I'm reporting here is a separate
  issue.

  Neither reboot or shutdown -r now work sensibly any more. Both rely on
  systemd, which appears to be the root of most Ubuntu instabilities
  now, reading the many reported systemd bugs.

  Both the reboot + shutdown -r now commands should do what the mean.
  Shutdown + Reboot now...

  Not 150-250 seconds after requested, which appears to be some
  arbitrary systemd timeout.

  Please fix this problem + update this ticket with some workaround to
  get an instant reboot, till fix is available.

  Thanks.

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