https://bugs.kde.org/show_bug.cgi?id=406180
John A <drjohnny...@gmail.com> changed:
What |Removed |Added
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CC| |drjohnny...@gmail.com
--- Comment #50 from John A <drjohnny...@gmail.com> ---
I can confirm that the regression appears in Kubuntu 19.04 with kwin 5.15.90,
an NVIDIA Optimus setup (NVIDIA is selected as the primary GPU), OpenGL 3.1
used as the rendering backend and options nvidia_drm modeset=1 set(to enable
PRIME Synchronization and eliminate horizontal screen tearing).
KWin hangs when using active screen edges (Present Windows), Alt-tabbing and
sometimes when maximizing or moving a window.
Switching the rendering backend to XRender resolves the issue.
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