Bug#836972: All gnome packages should be linked by version dependencies

[Stijn Segers]

I've been bitten by this bug as well, can confirm upgrading to the 
3.21.9x packages from unstable fixes the backlight control / no info on 
screen found problems.

Cheers
Stijn

On Sat, 10 Sep 2016 21:53:36 +0200 Petr Pulc <petrp...@gmail.com> wrote:
> Just to make things clear, at least the core packages should be all
> version-linked:
>
> gnome-color-manager
> gnome-control-center
> gnome-settings-daemon
> gnome-shell
>
> Otherwise, key components such as backlight dimming, will not work.