Comment # 9 on bug 1224046 from Takashi Iwai

(In reply to Viktors Trubovics from comment #8)
> (In reply to Takashi Iwai from comment #7)
> > What if you run "X -retro :0" as root on Linux console after booting with
> > the runlevel 3?  Does it appear?
> 
> It went to the same state as on the end of "Boot video with loglevel=7"
> https://bugzilla.suse.com/attachment.cgi?id=874762

And you didn't get any kernel crash log or such?  Can you login remotely while
happening the blank screen?