https://bugs.kde.org/show_bug.cgi?id=376295
Bug ID: 376295
Summary: Huge lags during windows resize
Product: kwin
Version: 5.8.5
Platform: Gentoo Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: razrfal...@gmail.com
Target Milestone: ---
Created attachment 103956
--> https://bugs.kde.org/attachment.cgi?id=103956&action=edit
screenshot
I'm using FPS "effect" to watch FPS drops and when I'm resizing an empty Kate
windows - FPS drops down to 20-30fps. Also there are constant lags during usual
operations, like windows switch, show desktop, etc.
This bugs disperses in some versions and then comes back again...
To remove tearing I'm using:
Option "metamodes" "nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On
}"
in xorg.conf
In compositor settings:
Rendeing backend: OpenGL 3.1
vsync: never
According to system monitor: X process eats 25% of CPU during resizing.
nVidia GTX 960 and 375.26 driver
linux-4.4.39
Qt 5.6.2
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