https://bugs.kde.org/show_bug.cgi?id=464092

            Bug ID: 464092
           Summary: Shutdown sequence causes system apps to try to stay
                    alive
    Classification: Plasma
           Product: plasmashell
           Version: 5.24.7
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: Startup process
          Assignee: plasma-b...@kde.org
          Reporter: james.yeo...@planglow.com
                CC: k...@davidedmundson.co.uk
  Target Milestone: 1.0

SUMMARY
[gist of journalctl
output](https://gist.github.com/james-yeoman/c768634397f621ca13b433b3d560c8b0)

This issue has been going on for months. My laptop shouldn't be taking as long
as it takes to shutdown. I've got a Thinkpad X1 Yoga (so decent specs), but it
usually takes around 1.5 to 2 minutes to shutdown. When I click shutdown, the
display server clearly terminates, but the tty ends up having several @ symbols
being printed, and the shutdown process takes a while.

I finally decided to investigate the logs and found quite a few things that
surprised me. The notable ones are the fact that SDDM doesn't cleanly exit,
drkonqi desperately tries to restart, SDDM restarts, encrypted drive fails to
be deactivated, and the final shutdown steps proceed anyway.

It's still worth checking out my gist, because there was additional stuff that
I missed out, but those are my personal highlights.

I believe the SDDM crash is at least a significant part in the cascade of
shutdown struggles, but it could be a number of different factors.

I tagged this as a Startup Process issue, because I couldn't find a Shutdown
Process issue type, and I think that shutdown is in a similar realm to startup.
If this is incorrect, then please re-tag it.

OBSERVED RESULT
Shutdown takes a significant amount of time to complete, and it appears the
reason is core system services crashing before everything has cleanly exited

EXPECTED RESULT
Shutdown shouldn't take as long as it does, apps shouldn't crash and try to
relaunch during shutdown, and encrypted drives should be waited on before
proceeding with deactivating and unmounting


SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.24.7
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3

ADDITIONAL INFORMATION

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