Il 12/06/2020 18:14, Michele Calgaro via trinity-users ha scritto:
> Hi Rodolfo,
> the changes between R14.0.6 and R14.0.8 are not so significant to justify such strange behavior. It is likely the
> problems you are experiencing are caused by some other reasons. Perhaps an incomplete/partial upgrade?

Definitely not this. I checked the dpkg log. There are no graphic
updates in the last 2 months (driver, mesa, etc.).

Il 12/06/2020 18:36, E. Liddell ha scritto:
> That trace has mentions of swrast_dri.so all over it.  Apparently, that's the
> OpenGL software renderer.  If you have a standard Intel, AMD, or nVidia
> video card chipset, that isn't the renderer you should be using.  In addition,
> it looks like the error might be coming from the screensaver.

Server with nVidia, client with Intel. Both without proprietary drivers.

> Try reinstalling OpenGL and/or your video card drivers (if you're using an
> external driver such as the proprietary nVidia one).  Alternatively, turning
> off the compositor and the screensaver within TDE (Control Center -> 
> Desktop -> Window Behaviour -> Translucency and Control Center -> 
> Appearance & Themes -> Screen Saver) might help somewhat if that is 
> indeed the problem.

I've already taken off all kinds of animation, fading, etc. I don't have
screen savers installed. I use the black screen.



Can you tell me what the KDE appearance configuration files are? I'd try
renaming them to see if it depends on some changes.

Rodolfo