https://bugs.kde.org/show_bug.cgi?id=466643
Bug ID: 466643
Summary: flickering blue line with scaling > 100%
Classification: Plasma
Product: kwin
Version: 5.26.90
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: ua_bugz_...@binary-island.eu
Target Milestone: ---
SUMMARY
In a Plasma/Wayland session, with scaling set to anything above 100%, a
flickering blue line is seen on menus between the items while moving through
the items with the mouse. Also when using Midnight Commander in konsole, moving
the bar around over different items, will leave line artifacts as well.
This happens with Breeze and Adwaita for example, but not with the Fusion style
which, otoh, seems rather sluggish and slow.
STEPS TO REPRODUCE
1. Set scaling to anything above 100% (e.g. 150%)
2. Right click on the Plasma desktop
3. Move the mouse up and down in the menu the opened
OBSERVED RESULT
Flickering blue (full or partial) blue lines between the menu items.
EXPECTED RESULT
No flickering blue lines.
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.26.90
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
Nvidia driver: 525.89.02
egl-gbm: 1.1.0
egl-wayland: 1.1.11-r1
Everything is compiled from yesterday's Qt-5 based git kde branches. This
specific problem has been around for ages w/ the Nvidia driver at least.
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