Comment # 27 on bug 954108 from Egbert Eich

For some reason the full link doesn't work. 
Try:
https://build.opensuse.org/package/show/home:eeich:bsc954108
and then click on the only package in there.
if this doesn't provide any clues, I may have to provide a driver to you which
is able to spit out some information.


(In reply to Tony Mechelynck from comment #26)
> 
> It doesn't work on /dev/tty2, where $DISPLAY is not set. I believe that this
> is intentional. So you have to be already logged-in to X in order to use it
> ��� in xterm, konsole, gnome-terminal, etc. but not in a non-X linux console.

DISPLAY is not set on the console as it makes sense only in an X session.
Of course you can set it manually. But depending on the location of your
authorization file it may not work either as the client isn't able to find the
credentials it requires to authenticate to the Xserver. So the Xserver may
treat it as unauthorized and refuse connection.