[kde] [Bug 473863] New: After long-term use, running new programs becomes impossible

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=473863

            Bug ID: 473863
           Summary: After long-term use, running new programs becomes
                    impossible
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: alerikaisattera at protonmail.com
  Target Milestone: ---

SUMMARY
After running KDE Plasma for long time (multiple days), starting new programs
within graphical environment is no longer possible


STEPS TO REPRODUCE
1. Run KDE Plasma for a few days
2. At some moment, running new programs becomes impossible

OBSERVED RESULT
At some moment, running new programs becomes impossible

EXPECTED RESULT
This should not happen

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.108.0
Qt Version: 5.15.10

ADDITIONAL INFORMATION
Following log messages can be found after trying to run a program:
"Authorization required, but no authorization protocol specified" from
kglobalaccel5
"qt.qpa.xcb: could not connect to display :0"
"qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though
it was found."
"This application failed to start because no Qt platform plugin could be
initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen,
vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx,
xcb." from relevant program
and a crash message

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