Иксы + 3d

Иксы выдают: (II) Loading /usr/lib/xorg/modules/extensions/libGLcore.so dlopen: /usr/lib/xorg/modules/extensions/libGLcore.so: undefined symbol: _glapi_Dispatch (EE) Failed to load /usr/lib/xorg/modules/extensions/libGLcore.so (II) UnloadModule: "GLcore" (EE) Failed to load module "GLcore" (loader failed, 7)

(II) LoadModule: "speedo" (WW) Warning, couldn't open module speedo (II) UnloadModule: "speedo" (EE) Failed to load module "speedo" (module does not exist, 0)

Как мне избавиться от этих ошибок? иксы x11-7.0-r2 дрова ati-drivers-8.32.5