** Changed in: systemd (Ubuntu Bionic)
     Assignee: (unassigned) => Victor Tapia (vtapia)

** Changed in: systemd (Ubuntu Bionic)
   Importance: Undecided => Medium

** Changed in: systemd (Ubuntu Bionic)
       Status: New => In Progress

** Changed in: systemd (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1896614

Title:
  Race condition when starting dbus services

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Bionic:
  In Progress

Bug description:
  In certain scenarios, such as high load environments or when
  "systemctl daemon-reload" runs at the same time a dbus service is
  starting (e.g. systemd-logind), systemd is not able to track properly
  when the service has started, keeping the job 'running' forever.

  The issue appears when systemd runs the "AddMatch" dbus method call to
  track the service's "NameOwnerChange" once it has already ran. A
  working instance would look like this:

  https://pastebin.ubuntu.com/p/868J6WBRQx/

  A failing instance would be:

  https://pastebin.ubuntu.com/p/HhJZ4p8dT5/

  I've been able to reproduce the issue on Bionic (237-3ubuntu10.42)
  running:

  sudo systemctl daemon-reload & sudo systemctl restart systemd-logind

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