https://bugs.kde.org/show_bug.cgi?id=482987
Bug ID: 482987
Summary: Bottom edge of screen has pixels that are held to the
color of previously opened windows after closing those
windows
Classification: Plasma
Product: kwin
Version: 6.0.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: tris...@gmail.com
Target Milestone: ---
Created attachment 166795
--> https://bugs.kde.org/attachment.cgi?id=166795&action=edit
Screenshot showing the pixel line w/ Firefox open
SUMMARY
***
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***
First of all, I'm not certain I'm reporting this against the right product and
component, I was unsure how to trace it specifically. If I have some guidance
on tracing this issue, I am happy to work with anyone in order to get more
specific and confirm the impacted product/component.
I updated to 6.0.1 and noticed this issue almost immediately. I originally had
thought my laptop screen might be getting pixels stuck or there was something
going on with the new floating taskbar. I rebooted the system and verified
that this is not present on a fresh boot after login, it's only after opening
any application (for example, firefox) that the pixels start showing. The
color seems to be related to the colors present in the logo/icon on the taskbar
of the application but not exactly. It's possible to screenshot, so confirmed
to not be a local hardware issue.
This issue is best seen visually, but essentially the very last row of my
display has a series of pixels in a thin line that hold a color from a prior
window, even though that window didn't extend visibly below the taskbar. The
pixels also shift in color as I type or take other actions. This only happens
since I upgrade to 6.0.1, and I am using Wayland. I will attach both a
screenshot and a video taken from my phone camera showing the color shift
behavior. As it shows up in screenshots, it's clear that it's not something
physical involving my hardware.
STEPS TO REPRODUCE
1. Start your computer and login to Plasma 6 desktop from the Login manager
2. Open any application in your taskbar
3. Wait a few moments
4. Pixel lines will appear on the bottom edge, not always in the same position
but generally towards the left side of the screen.
OBSERVED RESULT
See the screenshot
EXPECTED RESULT
There should be no extraneous pixel line on the bottom of the display.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Arch Linux w/ 6.7.9-arch1-1 kernel and kwin 6.0.1-1
(available in About System)
KDE Plasma Version: 6.0.1
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
See attached screenshots
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