Bug#803351: gnome-shell: high cpu consumption and long time to login

[Drew Parsons]

On Thu, 29 Oct 2015 01:52:50 +0100 gpe92 <gpe92 at free.fr> wrote:
>
> Since the update to gnome-shell 3.18 the login takes very long time
> (more than 1 minute) and after there is a processus 'gnome-shell
> --mode=gdm' which consumes 20% of CPU all the time.


Have you got extensions installed?

There's a suggestion at http://forums.debian.net/viewtopic.php?f=6&t=125286  
that high CPU usage by gnome-shell could be caused by extensions.