Bug#849640: linux-image-4.8.0-0.bpo.2-amd64: The display comes up black with the 4.8.11 kernel on intel graphics, skylake processor

[Linus Törnkrantz]

I have the same problem after update (4.8.0-32) with a dual screen 
system (HDMI+VGA). Disconnecting the VGA cable solved the problem.

/Linus