https://bugs.kde.org/show_bug.cgi?id=497806

            Bug ID: 497806
           Summary: Turning off "Lock after waking from sleep" and closing
                    lid to sleep causes loss of shell
    Classification: Plasma
           Product: plasmashell
           Version: 6.1.5
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Screen locking
          Assignee: plasma-b...@kde.org
          Reporter: kelly.p.le...@gmail.com
  Target Milestone: 1.0

Created attachment 176831
  --> https://bugs.kde.org/attachment.cgi?id=176831&action=edit
Screenshot of issue (black area on my machine is shown as white in screenshot)

SUMMARY
Not sure if this is machine specific, but I've been able to repro consistently
on my X1 Carbon 12gen with Kubuntu 24.10.  When turning off "Lock after waking
from sleep" in the screen locking settings, but setting the laptop to "Sleep"
on closing the lid, the system will lose all the shell and KDE stuff when
resuming (black desktop, no taskbar, etc.) but if I change things back to "Lock
after waking" then the screens come back (after unlocking of course).  It
doesn't seem like a crash because I can change the setting back, close the lid,
and reopen and it will fix itself if the setting is turned on.

STEPS TO REPRODUCE
1. Turn off "Lock after waking from sleep"
2. Set lid behavior in Power Management to "When laptop lid is closed" =
"Sleep"
3. Close lid and reopen

OBSERVED RESULT
Applications that were open are still visible, but all the KDE stuff is gone
(taskbar, etc.)

EXPECTED RESULT
Normal KDE stuff should still be there.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 24.10
KDE Plasma Version: 6.1.5
KDE Frameworks Version: 6.6.0
Qt Version: 6.6.2
Kernel Version: 6.11.0-13-generic (64-bit)
Graphics Platform: Wayland
Processors: 22 × Intel® Core™ Ultra 7 155H
Memory: 30.9 GiB of RAM
Graphics Processor: Mesa Intel® Arc
Manufacturer: LENOVO
Product Name: 21KCCTO1WW
System Version: ThinkPad X1 Carbon Gen 12

ADDITIONAL INFORMATION
As mentioned above, turning the setting back on seems to resolve this issue.
Using sleep from the gear menu does NOT exhibit this issue, only closing the
lid.
Filing this under screen locking as the issue only exhibits when screen locking
is turned off, but feel free to request a different place for this if you see
fit.

Screenshot shows white, but it's really black in those spots.

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