[kde] [Bug 460664] New: When waking up from stanby under Wayland, many graphical elements seem corrupted

[Sikal]

https://bugs.kde.org/show_bug.cgi?id=460664

            Bug ID: 460664
           Summary: When waking up from stanby under Wayland, many
                    graphical elements seem corrupted
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Archlinux
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: sikeal at protonmail.com
  Target Milestone: ---

Created attachment 153005
  --> https://bugs.kde.org/attachment.cgi?id=153005&action=edit
Example of the problem

SUMMARY
When a Wayland session is woken up from the majority of the graphical elements
(text, icons, wallpaper, kickoff,..) seem to be totally corrupted and badly
displayed as shown in the attached screenshot.
This problem also affects the lock screen.
>From my observations this only concerns the Wayland session.
Disconnecting from the session solves the problem (also for the lock screen)

STEPS TO REPRODUCE
1. Put a Wayand session in standby
2. Wake up the system

OBSERVED RESULT
The majority of the graphical elements seem to be totally corrupted and badly
displayed

EXPECTED RESULT
A normal display of graphical elements

SOFTWARE/OS VERSIONS
Windows: n/a
macOS: n/a
Linux/KDE Plasma: Linux 6.0.1.arch2-1 / KDE 5.26.0
(available in About System)
KDE Plasma Version: 5.26.0
KDE Frameworks Version: 5.99
Qt Version: 5.15.6

ADDITIONAL INFORMATION
I use an Nvidia GPU (GTX 1070)
Nvidia Driver Version: 520.56.06-3

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