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