https://bugs.kde.org/show_bug.cgi?id=475872
Bug ID: 475872
Summary: Resizing choppy when pager enabled on nVidia GPUs
Classification: Plasma
Product: plasmashell
Version: 5.27.8
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Pager
Assignee: plasma-b...@kde.org
Reporter: klaus@zipfel.family
CC: h...@kde.org
Target Milestone: 1.0
Resizing a window becomes extremely choppy when the pager is added to the
taskbar on systems using an nVidia GPU.
Only tested on X11 with proprietary nVidia driver (Version 535.113.01).
STEPS TO REPRODUCE
1. Have a dedicated nVidia GPU as primary GPU + proprietary nVidia driver
2. Add the pager to your taskbar
3. Open e.g. Dolphin and resize it. It feels choppy and delayed
4. Remove all pagers from the taskbar
5. Resizing e.g. Dolphin now is fluent.
OBSERVED RESULT
Choppy resizing
EXPECTED RESULT
Fluent resizing
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Manjaro Linux (latest)
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.11
ADDITIONAL INFORMATION
[1] Link to reddit discussion:
https://www.reddit.com/r/kde/comments/yogjmu/extreme_lag_on_window_redrawresize
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