iceamber@localhost:~ $ grep NOUVEAU /usr/src/linux/.config
CONFIG_DRM_NOUVEAU=m
CONFIG_NOUVEAU_DEBUG=5
CONFIG_NOUVEAU_DEBUG_DEFAULT=3
CONFIG_DRM_NOUVEAU_BACKLIGHT=y

iceamber@localhost:~ $ grep -E 'nvidia|VIDEO_CARDS' /etc/portage/make.conf
VIDEO_CARDS="nouveau"

here is the `grep -si nouveau /var/log/*`
<https://paste.pound-python.org/show/PhfcfeZzzECTIEw15B3R/>

I have rebuilt the xorg-server, it is built for kernel 4.12.5 now.
And I have set the USEs of "gallium" and "video_cards_nouveau"

On Sun, Aug 27, 2017 at 4:54 PM, Alexander Kapshuk <
alexander.kapshuk@gmail.com> wrote:

> On Sun, Aug 27, 2017 at 5:49 PM, Alexander Kapshuk
> <alexander.kapshuk@gmail.com> wrote:
> > On Sun, Aug 27, 2017 at 5:45 PM, Alexander Kapshuk
> > <alexander.kapshuk@gmail.com> wrote:
> >> On Sun, Aug 27, 2017 at 2:27 PM, IceAmber <iceamber2015@gmail.com>
> wrote:
> >>> I have tried, but the same result
> >>>
> >>> On Sun, Aug 27, 2017 at 10:04 AM, Adam Carter <adamcarter3@gmail.com>
> wrote:
> >>>>>
> >>>>> yes, here is the eselect
> >>>>
> >>>>
> >>>> When i have X problems i can resolve i run emerge -av
> @x11-module-rebuild
> >>>> xorg-server mesa but its generally an act of desperation after
> running out
> >>>> of intelligent options.
> >>>
> >>>
> >>
> >> Your xorg-server was built for kernel 4.9.34.
> >> [    24.014] Build Operating System: Linux 4.9.34-gentoo x86_64 Gentoo
> >> [    24.014] Current Operating System: Linux localhost 4.12.5-gentoo
> >> #10 SMP Sat Aug 26 13:15:20 UTC 2017 x86_64
> >>
> >> Might be a good idea to rebuild x11-base/xorg-server for your current
> kernel.
> >>
> >> What's the output of the command lines below?
> >> grep NOUVEAU linux/.config
> >> grep -E 'nvidia|VIDEO_CARDS' /etc/portage/make.conf
> >
> > This one too please:
> > grep -si nouveau /var/log/*
>
> Also, let's make sure mesa has the USE flags below enabled:
>
> equery -q u mesa | grep -E 'gallium|nouveau'
> +gallium
> +video_cards_nouveau
>
>