https://bugs.kde.org/show_bug.cgi?id=435114
Bug ID: 435114
Summary: redraw glitches over whole desktop with effects on
Product: plasmashell
Version: 5.19.5
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: h.kl...@gmx.de
CC: plasma-b...@kde.org
Target Milestone: 1.0
SUMMARY
Strange redraws with effects on.
STEPS TO REPRODUCE
1. run plasma/kwin with effects on (Shift+Alt+F12)
2. use the desktop
OBSERVED RESULT
see video:
first a Java-Program: TV-Browser, tooltips partially reappear, hover effects
toggle by mouse-event, rightclick-menu heavily crippled
second an arbitrary KDE program: Kate Line-highlight redrawn, scrolling the
document blinks in frequency of the cursor, tabs shift back and forth to
accomodate space for the * that marks a dirty unsaved file.
Konsole running a command briefly prints its output and blanks back to black
simulating the command was "undone", editing the line, previous lines toggle /
simulate the last scroll up and down
Dolphin slowly hovering the mouse from one file to another redraws the
info-panel F11 not once for the new file, but toggles between the two for about
10 times, opening e.g. "Hilfe"-menu will also highlight "Einstellungen"-menu as
though the mouse was over it
EXPECTED RESULT
The glitches shall not happen.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 20.10
KDE Plasma Version: 5.19.5
KDE Frameworks Version: 5.74.0
Qt Version: 5.14.2
Kernel Version: 5.8.0-48-generic
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-4700MQ CPU @ 2.40GHz
Memory: 15.6 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4600
root@Meerschweinchen:/home/holger# apt list gtk3*
Auflistung… Fertig
gtk3-engines-breeze/groovy,groovy,now 5.19.5-0ubuntu2 all [installiert]
gtk3-engines-unico/groovy 1.0.3+14.04.20140109-0ubuntu1 amd64
gtk3-im-libthai/groovy 0.2.2-1 amd64
gtk3-nocsd/groovy,groovy 3-1ubuntu1 all
https://www.tvbrowser.org
Version: 4.2.2
Plattform: Linux 5.8.0-48-generic
System: amd64
Java-Version: 15.0.1
OpenJDK 64-Bit Server VM Oracle Corporation /opt/jdk-15.0.1
ADDITIONAL INFORMATION
Trying to record the screen with Peek prevents the errors from showing.
Easy workarounds:
- Alt+tab to another screen filling application or
- deactivate effects Shift+Alt+F12
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