This is because your setup wasn,t able to load nvidia module, so nvidia-current is not in use. Instead your system did load nouveau module, the open source X driver.
See this: [1284918.684] (EE) NVIDIA: Failed to load the NVIDIA kernel module. Please check your [1284918.684] (EE) NVIDIA: system's kernel log for additional error messages. [1284918.684] (II) UnloadModule: "nvidia" [1284918.684] (EE) Failed to load module "nvidia" (module-specific error, 0) [1284918.684] (II) LoadModule: "nouveau" [1284918.685] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so The version nvidia-current_280.13-0ubuntu6 and the version nvidia-current-updates_285.05.09-0ubuntu0.1 from the Oneiric official repositories both support xserver 1.10. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/892862 Title: X is very slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/892862/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs