Strange effect in F18: running top or iotop in some tty lets start a gnome3 session in the fallback mode

[Kamil Paral]

> Hi F18 testers,
> 
> I have some strange effect: After having rebooted, I start on some
> tty a
> top or iotop command and let it run. Additionally, on the GDM window,
> I
> login into a gnome3 session. And, strange to say, each time during
> top
> or iotop is running, the gnome3 session is started in the fallback
> mode.
> But I did not make any changes with gnome-tweak-tool.
> 
> Normally, if no top or iotop is running on a tty, the gnome session
> is
> started as normal gnome3 session.
> 
> Anybody has seen this?

I wasn't able to reproduce this in my F18 VM (using just stable repo). I logged in as the same user on tty2 and gdm session.