https://bugs.kde.org/show_bug.cgi?id=487168
Bug ID: 487168
Summary: KWin 1.5x UI Scaling + 2256x1504 results in garbage
pixels at the bottom of the screen
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: core
Assignee: kwin-bugs-n...@kde.org
Reporter: kdebugs.81do7@haxing.ninja
Target Milestone: ---
Created attachment 169585
--> https://bugs.kde.org/attachment.cgi?id=169585&action=edit
pixels on the lock screen that don't belong
SUMMARY
On my Framework 13" I've noticed the bottom row of pixels is occasionally
"garbage" like it isn't properly being used by either Plasma or Kwin.
This effect carries over to the lock screen where some of the blue outline from
the Icon Only task Manager can still be seen (see the attached screen shots).
REPRODUCTION
I believe to reproduce this you need a 2256x1504 (such as the one used by the
framework, and a 1.5x scaling factor).
When I turned off scaling, I could no longer see the buggy pixels. Enabling
scaling again lead me to see the bottom row of pixels from the 1.0x scale
factor (tiny status icons) at the bottom of the lock screen.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.5.6-300.fc39.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon 780M Graphics
Memory: 14.9 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: Framework
Product Name: Laptop 13 (AMD Ryzen 7040Series)
System Version: A7
ADDITIONAL INFORMATION
This is similar to Bug 460896 but I believe it's different (related to KWin's
scaling).
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