* Fixed a bug that prevented XvMC from initializing in most cases. * Added support for xorg-server video driver ABI version 8, which will be included in the xorg-server-1.9 series of releases. * Fixed a bug that caused extremely slow rendering of OpenGL applications on X screens other than screen 0 when using a compositing manager. * Fixed a regression introduced after 256.35 that caused stability problems on GPUs such as GeForce GT 240. * Fixed a slow kernel virtual address space leak observed when starting and stopping OpenGL, CUDA, or VDPAU applications. * Fixed a bug that left the system susceptible to hangs when running two or more VDPAU applications simultaneously.