https://bugs.kde.org/show_bug.cgi?id=504035
Bug ID: 504035
Summary: Visual pixel corruption forming on greyish colours
Classification: Plasma
Product: kwin
Version: 6.3.5
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: locked...@tuta.com
Target Milestone: ---
Created attachment 181154
--> https://bugs.kde.org/attachment.cgi?id=181154&action=edit
Testing file to observe visual corruption
SUMMARY
A line of pink pixels form along a spot in the display where there are blackish
or greyish colours (I used the colour #0b1416) for the purposes of testing.
STEPS TO REPRODUCE
1. Be in a high refresh rate (above 144hz, I use 240hz) on Wayland
2. Create a pure wall of colour using a photo editor such as Krita or Gimp
around the same hue as I have mentioned above (#0b1416), the image I have
created for this purpose has been attached.
3. Observe a line of pink pixels forming
OBSERVED RESULT
A line of pink pixels will form on the screen. See attached imagery.
EXPECTED RESULT
No lines of pink pixels to be forming
SOFTWARE/OS VERSIONS
Using Arch Linux without the testing repositories enabled, my system is fully
up to date as of writing this.
ADDITIONAL INFORMATION
This bug does not seemingly occur on the X11 version of KDE Plasma and I have
been unsuccessful recreating it there (image attached to show this). This bug
occurs when my display settings of my monitor (an AOC 27G2ZNE) has no colour
profile set or if I use the built in option with the lines forming more often
the higher the sRGB colour intensity is, the bug also seems to be more intense
when the prefer colour accuracy option is used too.
I also believe this bug becomes worse with the visual corruption targeting more
colours the longer you have a PC turned on, or the longer you go without
changing display settings although this will require further testing.
I have also been unsuccessful in recreating the bug on my 75hz HP 27f. It also
does not occur if I change my monitor to 720p however I am unable to change the
refresh rate to 240 when on 720p.
VISUAL CORRUPTION FILES LOCATED HERE:
https://drive.google.com/drive/folders/1EwTS_e_y1dP5wV2a9cuCjfeCPZMwrB6M?usp=sharing
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