[clug] KDE desktop kinda freezing

James Ring sjr at jdns.org
Sat Feb 8 15:12:51 UTC 2020

On Sat, Feb 8, 2020 at 5:12 AM Tony Lewis via linux
<linux at lists.samba.org> wrote:
> I've been running the current Kubuntu version for the last few months,
> and I find that every so often it freezes.  I'm trying to find out what
> causes it and what I can do to fix it.
> The symptoms are:
>   * the mouse cursor moves freely, but no actions do anything to windows
>   * the keyboard does nothing
>   * the desktop doesn't change, including panels with clocks in it
>   * audio keeps playing (e.g. spotify)
>   * I cannot successfully save my Windows VM from the command line (more
>     below)

Are you using an NVIDIA accelerator? I had similar symptoms which I
believe I resolved by changing the compositor from XRender to OpenGL:

$ systemsettings5

Click on "Display and Monitor" under "Hardware" and try OpenGL 2.0.

> Tony

HTH, I know this is incredibly frustrating.


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