https://bugs.kde.org/show_bug.cgi?id=371731
Bug ID: 371731
Summary: Present Windows lags/stutters when window close
buttons are enabled
Product: kwin
Version: 5.7.5
Platform: Kubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: effects-window-management
Assignee: kwin-bugs-n...@kde.org
Reporter: kdeb...@caseyconnor.org
Target Milestone: ---
With recent upgrade to Kubuntu 16.10, Present Windows starting occasionally
stuttering/lagging when I'd press my hotkey. It happens more often the more
windows are present. Once it finishes the lag/stutter and shows the windows
(takes 0.5 to 1.5 seconds) and again un-shows them (another lag/stutter), the
effect can often be executed smoothly when the hotkey is pressed subsequently.
Meaning, once it "warms up" it works fine. When new windows are created, or
moved to different screens, the problem often returns.
Present Windows has worked fine for several preceding Kubuntu versions.
I have found that disabling "Provide buttons to close the windows" solves the
issue. (But I like those buttons, so it's not ideal. As an aside, allowing an
assignable action to "close window" in the Windows mouse action section would
be great!)
i7 4770K desktop, plenty of RAM, etc, using onboard graphics.
Let me know if there's anything else I can do to help.
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