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[Martin Pitt <martin.pitt@xxxxxxxxxx>]

** No longer affects: systemd (Ubuntu Xenial)

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https://bugs.launchpad.net/bugs/1621846

Title:
  Type=idle does not actually wait for all running jobs

Status in systemd:
  New
Status in systemd package in Ubuntu:
  Triaged

Bug description:
  In some cases there are running jobs after the default target is
  reached (bug 1620780). In this case, commands from Type=idle services
  are already started after multi-user.target is reached, not after all
  running jobs are finished. This is contrary to what the manpage says:
  "execution of the service binary is delayed until all jobs are
  dispatched".

  This is reproducible with a standard images:ubuntu/yakkety/amd64 lxd
  container; add an idle unit with

  # cat <<EOF > /etc/systemd/system/xxx.service 
  [Unit]
  Description=XXX

  [Service]
  Type=idle
  ExecStart=/bin/sh -c 'echo WASHERE; systemctl is-system-running; systemctl list-jobs'

  [Install]
  WantedBy=multi-user.target
  EOF
  systemctl enable xxx.service

  
  Then reboot a couple of times until you hit bug 1620780:

  ● xxx.service - XXX
     Loaded: loaded (/etc/systemd/system/xxx.service; enabled; vendor preset: enabled)
     Active: inactive (dead) since Fri 2016-09-09 11:49:15 UTC; 1s ago
   Main PID: 221 (code=exited, status=0/SUCCESS)

  Sep 09 11:49:15 y1 systemd[221]: xxx.service: Executing: /bin/sh -c 'echo WASHERE; systemctl is-system-running; systemctl list-jobs'
  Sep 09 11:49:15 y1 sh[221]: WASHERE
  Sep 09 11:49:15 y1 sh[221]: starting
  Sep 09 11:49:15 y1 sh[221]: JOB UNIT            TYPE  STATE
  Sep 09 11:49:15 y1 sh[221]:   4 dev-sda3.device start running
  Sep 09 11:49:15 y1 sh[221]: 1 jobs listed.

  So there is still a running job but xxx.service's command already ran.
  This breaks assumptions like in bug 1576692.

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