[Nouveau] linux v4.4.0 nouveau fails

[Wakko Warner]

Please keep me in CC as I am not on the list.

Ilia Mirkin wrote:
> On Fri, Jan 15, 2016 at 5:04 PM, Wakko Warner <wakko at animx.eu.org> wrote:
> > Ilia Mirkin wrote:
> >> I suspect the fb0 issue is because you disabled
> >> CONFIG_DRM_FBDEV_EMULATION? Does the freeze also happen with 4.3? Any
> >> chance you could bisect?
> >
> > I saw this config option, but I didn't realize that.
> > The issue also occurs with 4.3.  I even tried 4.3-rc1 with the same results.
> >
> > Would the DRM_FBDEV_EMULATION effect 3D?
> 
> Shouldn't, but... who knows. The rewrite in 4.3 was done in a
> bisectable way, so it should be possible to figure out where we went
> wrong. Not a ton of testing is done on pre-G80 gpu's nowadays, so
> these issues sometimes sneak in.

I enabled the DRM_FBDEV_EMULATION and 3D is working for 4.4.0.  I only
tried with gears from xscreensaver.  I'm going to try with something else as
well.

As a curiosity, why was DRM_FBDEV_EMULATION added in 4.3?

-- 
 Microsoft has beaten Volkswagen's world record.  Volkswagen only created 22
 million bugs.