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List:       kde-bugs-dist
Subject:    [kwin] [Bug 322060] Synced swapping on double buffered nvidia GPUs cause high CPU load
From:       Nikos Chantziaras <bugzilla_noreply () kde ! org>
Date:       2018-02-01 15:28:20
Message-ID: bug-322060-17878-rn9E6Q72Zu () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=322060

--- Comment #130 from Nikos Chantziaras <realnc@gmail.com> ---
(In reply to Thomas Lübking from comment #128)
> > My wallpaper even reverts back to some previous datetime's image.
> That I cannot explain at all.

This is reproducible by simply suspending compositing. After an undetermined
amount of time, the non-composited desktop will freeze its appearance and will
not get updated anymore. New applications don't appear on the task manager bar,
the system tray doesn't get updated, basically it's frozen to some state in the
past.

Resuming compositing again makes it work correctly. Suspending compositing
after that makes it revert to the same old frozen state. For example, if it got
frozen and the time on the systray says "20:00", but the time now is 21:00,
then suspending and resuming compositing makes it display 20:00 - 21:00 - 20:00
- 21:00, etc, as you suspend/resume compositing.

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