https://bugs.kde.org/show_bug.cgi?id=368023
Bug ID: 368023
Summary: Window system freezes temporarily on application
switch
Product: frameworks-kwindowsystem
Version: unspecified
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: general
Assignee: mgraess...@kde.org
Reporter: hamidrjaf...@gmail.com
CC: kdelibs-b...@kde.org
Hi,
When switching to another application its window is drawn but just as it should
be fully ready, input (mouse, keyboard, touchpad) for it is not responsive.
Wait 5 to 10 seconds and it is responsive. Or send it a wakeup signal by
Alt+tabbing and returning to it. After wake up, the input buffer (keystrokes
etc if any) are flushed to the window.
Reproducible: Always
Steps to Reproduce:
1. Open a bunch of applications
2. Switch using Alt+tab randomly
3. It is the case that sometimes (more than %50) you have to wait for around 7
seconds to begin working with the application
Actual Results:
You have to wait around 7 seconds until the activated window is responsive.
Expected Results:
You should have been immediately able to communicate with the switched to
application.
I have recently enabled activities (as virtual desktops) and also often connect
to a second screen. It was not the case before this new setting.
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