On Sunday 30 April 2017 16.36:34 dave wrote: > after dumping about 4 minutes of TOP to a file I found the culprit. > Nautilus causes this background change. now the question How did this > app start in the first place? What is your default Desktop manager? Nautilus being the default file manager for gdm, I could imagine a link. I've seen Gnome 3 bloquing TDE in some distributions. Maybe there is something like that with Ubuntu? As I don't run Ubuntu and don't have nautilus installed I never saw this behaviour. Thierry --------------------------------------------------------------------- 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