https://bugs.kde.org/show_bug.cgi?id=442411
Bug ID: 442411
Summary: Window contents become invisible
Product: kwin
Version: 5.22.5
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: rmedeirosfla...@gmail.com
Target Milestone: ---
Created attachment 141532
--> https://bugs.kde.org/attachment.cgi?id=141532=edit
qdbus org.kde.Kwin
SUMMARY
I have attached a .mkv screen recorder of the moment I was having the issue.
Occasionally several windows, if not all, becomes invisible, not possible to
interact with (maximize or minimize does not affect them), task switcher and
the screen corner effect of showing all windows also fails to bring any content
forefront. At the video there are a few programs visible, however they were all
opened after the problem started and no other instance were already opened.
STEPS TO REPRODUCE
I cannot systematically describe the steps to reproduce this problem I am
having because it seems to occur independently of the program opened but the
issue appears to be more frequent when I use the shortcut Meta+D to show the
desktop and afterwards hover the upper left corner to show all windows.
OBSERVED RESULT
Invisible windows - please see the screen recorder video.
EXPECTED RESULT
Window content visible.
SOFTWARE/OS VERSIONS
Distro: Manjaro Kde
Kernel: 5.13.13-1-MANJARO
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.85.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Latte Dock - it does not seems relevant because I already encountered this kwin
problem when Latte was not even installed.
Plasma settings - the bug is present even after a fresh install. I tried
switching the rendering backend from OpenGL 2.0 to OpenGL 3.0 and later on to
Xrender but it did not matter.
Distribution - Although I am currently running Manjaro Pahvo, I recently
managed to get the same issue while using Opensuse Tumbleweed, Fedora 34 and
Garuda Linux.
Plasma - I used Plasma for a very long time without having this problem, it
started to appear with the release of the 5.22 version. I experimented with the
most recent version of Debian and MXLinux and they do not show the same
problem, I also believe that Opensuse LEAP will also work correctly due to the
usage of a older plasma version.
Xorg/Wayland - I mostly run Xorg but also encountered the visibility problem
when trying Wayland.
Kwin/Kwinft - The issue is present with both versions.
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