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Stable ebuilds:

Nouveau is now available from the stable branch of the portage tree. Enable DRM_NOUVEAU in your kernel and set VIDEO_CARDS="nouveau" in /etc/make.conf. For detailed instructions, see http://www.gentoo.org/doc/en/xorg-config.xml

Development ebuilds:

Previously, the nouveau ebuilds where in the nouveau overlay, which is now unmaintained. Use the x11 overlay instead, which is also available via layman

Recommended ebuilds:

• x11-base/nouveau-drm (from git)
• x11-drivers/xf86-video-nouveau (from git)
• x11-libs/libdrm (from git) The x11 overlay also has a mesa git ebuild, which contains the gallium based nouveau 3d driver, but it is still in a very early stage and using it is discouraged and unsupported

Unmaintained ebuilds:

Additionally, the now unmaintained nouveau overlay still contains the renouveau and mmio-trace utilities, which you will need if you want to help the development

• x11-misc/renouveau
• dev-util/mmio-trace These ebuilds do not have any keyword, as it is usual with cvs/svn/git releases. To be able to install them, you have to mark them with ** in package.keywords.

These are the steps which are necessary in order to get the nouveau driver working on gentoo:

1. Disable the nvidia proprietary kernel module.
2. eselect opengl set xorg-x11
3. Make sure you have USE="dri" and VIDEO_CARDS="nouveau"
4. emerge -va nouveau-drm libdrm xorg-server xf86-video-nouveau
   • Make sure you use the overlay ebuilds. You may have to unmask them.
   • xorg-server recompilation is sometimes necessary after DRM changes, but not always. If you are not sure, re-emerge it
5. modprobe drm
6. modprobe nouveau
7. startx No, you will not have accelerated 3D support.

[[!img glxgears.png]

Not yours.