https://bugs.freedesktop.org/show_bug.cgi?id=70207
--- Comment #3 from David Heidelberger (okias) david.heidelberger@ixit.cz --- When issuing: "vbetool dpms on" without touching keys, screen goes just pure white. After pressing button, screen goes off again.
Seems like it goes from "any_state -> off" instead of "any_state -> on".