Created attachment 148099 [details]
plasma-org.kde.plasma.desktop-appletsrc changes

SUMMARY
On two different laptop with the same configuration  desktop icons positions are scrambled after  average 10 boot and after each boot done after kernel upgrade.
The file "plasma-org.kde.plasma.desktop-appletsrc" is modified always in the same manner for 3 items. Herewith details of the 3 modifications. This analyze has been obtained in this way : after a change, icon are replaced strictly at the initial position and then "plasma-org.kde.plasma.desktop-appletsrc"checked if  it is equal to the initial one.

Notice : This file contains also references  with positions ! for file who have been deleted for months
 
laptop configuration :
Operating System: Mageia 8
KDE Plasma Version: 5.20.4
KDE Frameworks Version: 5.76.0
Qt Version: 5.15.2
Kernel Version: 5.16.10-desktop-2.mga8
OS Type: 64-bit
Processors: 4 × Intel® Core™ i5-6440HQ CPU @ 2.60GHz
Memory: 15.5 Gio of RAM
Graphics Processor: Mesa Intel® HD Graphics 530***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols.
See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***


STEPS TO REPRODUCE
1. Boot after kernel upgrade 
2. After in average 10 boot (minimal 1, maximal 20)
3. 

OBSERVED RESULT
Numbered desktop icons ( all have a number in order to find out the problem) are scrambled in a curious manner  and file plasma-org.kde.plasma.desktop-appletsrc contains 2 changes (sometimes 3) See attached file


EXPECTED RESULT
No  position changes on desktop icons


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
-This problem has been described for Debian, Manjaro and so on  (360212,354802, 359919, ...) but never for Megeia