It seems to be a menubar issue.
After dectivating globalmenu by removing the packages: appmenu-gtk, appmenu-qt, appmenu-gtk3, indicator-appmenu CPU-load is back to normal again.
It seems to be a menubar issue.
After dectivating globalmenu by removing the packages:
appmenu-gtk, appmenu-qt, appmenu-gtk3, indicator-appmenu
CPU-load is back to normal again.