Jörg-Volker Peetz wrote: > Do you also use the skylake GPU firmware which should be located in > /lib/firmware/i915/ > (from package firmware-linux-nonfree, I think; file names beginning with > "skl_")?
Of course. I even installed the missing files in current testing / unstable https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931930 But no difference. Once you start to use 3D accelerated graphics, the bomb starts ticking to explode when you least expect it.