No, the error still there.
And the script `modinfo /lib/modules/`uname -r`/path/to/nouveau.ko` shows
iceamber@localhost:~ $ modinfo /lib/modules/`uname -r`/path/to/nouveau.ko
modinfo: ERROR: Module /lib/modules/4.12.5-gentoo/path/to/nouveau.ko not
found.

On Sun, Aug 27, 2017 at 5:59 PM, Alexander Kapshuk <
alexander.kapshuk@gmail.com> wrote:

> On Sun, Aug 27, 2017 at 8:24 PM, IceAmber <iceamber2015@gmail.com> wrote:
> > 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/*`
> >
> > 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
> >>
> >
>
> I'm not seeing these errors in your Xorg.0.log any more:
> [    25.361] (EE) AIGLX error: Calling driver entry point failed
> [    25.375] (EE) AIGLX: reverting to software rendering
>
> Are you still getting the error message about the nouveau driver not
> being loaded when running glxinfo or glxgears?
> If you are, what's the output of:
> lsmod nouveau
> modinfo /lib/modules/`uname -r`/path/to/nouveau.ko
>
>