"The Nouveau developers have been working on both the DDX X.Org
driver with 2D and X-Video acceleration and then the 3D driver that
is using the Gallium3D architecture. In the Ubuntu 9.04 release,
only the DDX driver is an option but hopefully come time for Ubuntu
9.10 we will see the Gallium3D support in Ubuntu's Mesa stack. Mesa
7.5 is here, but by the time of the Karmic Koala we will ideally
see Mesa 7.7/7.8 at least. The 3D support in Nouveau also varies
quite a bit depending upon the NVIDIA ASIC and other factors.
"Similar to the 3D situation, the Nouveau developers have
mode-setting support in the traditional DDX driver but also they
have already worked quite a bit on kernel mode-setting support.
This Nouveau kernel mode-setting support is not yet in a released
kernel and we probably will not see it be pushed into a mainline
kernel until Linux 2.6.31 or more likely would be 2.6.32. It is
possible we could see Nouveau kernel mode-setting in Ubuntu 9.10,
but with the Jaunty Jackalope release it is limited to traditional