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 --------------------------------------------------------------------- To unsubscribe, e-mail: trinity-users-unsubscribe@xxxxxxxxxxxxxxxxxxxxxxxxxx For additional commands, e-mail: trinity-users-help@xxxxxxxxxxxxxxxxxxxxxxxxxx Read list messages on the web archive: http://trinity-users.pearsoncomputing.net/ Please remember not to top-post: http://trinity.pearsoncomputing.net/mailing_lists/#top-posting