Let me accept this officially into focal-proposed, but I'll request that
@raek - as the person that can fully and reliably reproduces it -
performs the required validation using the exact binary packages from
our official proposed archive.

Thank you!

** Changed in: systemd (Ubuntu Focal)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1937238

Title:
  systemd-time-wait-sync.service stuck in "activating" state after boot,
  blocks timers from starting

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Focal:
  Fix Committed

Bug description:
  [impact]

  systemd-time-wait-sync service sometimes misses sync completed event
  and remains in 'activating' state

  [test case]

  this isn't consistently reproducable, see original description for
  test case

  [regression potential]

  possible problems with the systemd-time-wait-sync service completing
  too early or not completing on time

  [scope]

  this is needed only for f

  this is fixed upstream with commit
  f6f4f5fe5395a57f10dd446c7266c53f0673eaac which is in v246, so this is
  fixed in h and later already

  the service does not exist in b so this does not apply there

  [original description]

  When I start my server running Ubuntu 20.04 the systemd-time-wait-
  sync.service is stuck in "activating" state. I noticed this because
  none of the systemd timer units triggered, because all the timers
  depend on systemd-time-wait-sync.service. Running "systemctl restart
  systemd-time-wait-sync.service" manually works around the problem.

  Some logs and command outputs:

  raek@mizar:~$ lsb_release -rd
  Description:    Ubuntu 20.04.2 LTS
  Release:        20.04

  raek@mizar:~$ systemctl | grep systemd-time-wait-sync.service
    systemd-time-wait-sync.service                                              
                 loaded activating start     start Wait Until Kernel Time 
Synchronized

  raek@mizar:~$ systemctl status systemd-time-wait-sync.service
  ● systemd-time-wait-sync.service - Wait Until Kernel Time Synchronized
       Loaded: loaded (/lib/systemd/system/systemd-time-wait-sync.service; 
enabled; vendor preset: enabled)
       Active: activating (start) since Thu 2021-07-22 11:06:52 CEST; 27min ago
         Docs: man:systemd-time-wait-sync.service(8)
     Main PID: 514 (systemd-time-wa)
        Tasks: 1 (limit: 9415)
       Memory: 972.0K
       CGroup: /system.slice/systemd-time-wait-sync.service
               └─514 /lib/systemd/systemd-time-wait-sync

  Jul 22 11:06:52 mizar systemd-time-wait-sync[514]: adjtime state 5 status 40 
time Thu 2021-07-22 09:06:52.216338 UTC
  Warning: journal has been rotated since unit was started, output may be 
incomplete.

  raek@mizar:~$ journalctl -b -u systemd-time-wait-sync.service
  -- Logs begin at Wed 2020-07-08 16:34:13 CEST, end at Thu 2021-07-22 11:36:44 
CEST. --
  Jul 22 11:06:52 mizar systemd-time-wait-sync[514]: adjtime state 5 status 40 
time Thu 2021-07-22 09:06:52.216338 UTC

  raek@mizar:~$ dpkg -S /lib/systemd/system/systemd-time-wait-sync.service
  systemd: /lib/systemd/system/systemd-time-wait-sync.service

  raek@mizar:~$ apt-cache policy systemd
  systemd:
    Installed: 245.4-4ubuntu3.11
    Candidate: 245.4-4ubuntu3.11
    Version table:
   *** 245.4-4ubuntu3.11 500
          500 http://se.archive.ubuntu.com/ubuntu focal-security/main amd64 
Packages
          100 /var/lib/dpkg/status
       245.4-4ubuntu3.10 500
          500 http://se.archive.ubuntu.com/ubuntu focal-updates/main amd64 
Packages
       245.4-4ubuntu3.8 400
          400 http://archive.ubuntu.com/ubuntu focal-proposed/main amd64 
Packages
       245.4-4ubuntu3 500
          500 http://se.archive.ubuntu.com/ubuntu focal/main amd64 Packages

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