https://bugs.kde.org/show_bug.cgi?id=454816

            Bug ID: 454816
           Summary: Diabling bluetooth causes long lag in
                    plasmashell/system settings
           Product: Bluedevil
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: now...@gmail.com
          Reporter: natalie_clar...@yahoo.de
                CC: plasma-b...@kde.org
  Target Milestone: ---

SUMMARY
***
Disabling bluetooth causes a long (11 seconds) delay during which other
elements of the plasmashell/system settings are unresponsive.
***

STEPS TO REPRODUCE
1. Have bluetooth enabled
2. Disable bluetooth via system tray applet or system settings

OBSERVED RESULT
On my machine it takes about 11 seconds for the bluetooth status to change to
disabled; during this time, the rest of plasmashell, i.e. the bluetooth applet
itself but also other applets and e.g. the task manager (when disabling via the
system tray applet) or, respectively, the system setting window (when disabling
via system settings) are unresponsive. Other windows are still responsive.

EXPECTED RESULT
Bluetooth shuts down, but desktop shell/system settings remains usable.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.4
Kernel Version: 5.17.9-arch1-1 (64-bit)

ADDITIONAL INFORMATION
Not sure if this is the fault of KDE or a more low-level component, and if this
is an actual bug that can be fixed. 
It's okay if it takes a while to shut bluetooth down in the background, but
when the entire plasmashell freezes for more than 10 seconds that's bad.

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