gnome3 and gdm in f22

[Chris Murphy]

On Tue, Jun 30, 2015 at 9:05 AM, Joachim Backes
<joachim.backes at rhrk.uni-kl.de> wrote:
> Hi all F22 users,
>
> having the following problem in F22/gdm with my ATI-Radeon video card 5400:
>
> If logging out from a gnome3 session, it takes a very long time until
> the login screen of gdm re-appears (10-20 secs). Some times I have to
> restart my box because the screen remains dark after logging out (the
> screen reports: no signal).
>
> Sometimes it helps to click on the screen for getting back the login screen.
>
> But: if running mate for example as desktop environment, the gdm screen
> re-appears immediately after having logged out.
>
> Any recipe?

I have the same problem. It could be related to gdm on Wayland. Try
editing /etc/gdm/custom.conf such that you uncomment the line
WaylandEnable=false

If that solves the problem then it's likely related to gdm on Wayland
and you can search for a bug to me too, or file a new one.

-- 
Chris Murphy