Linux.by

Привет народ . Установил doom3-demo под linux , а он не работает. При загрузке пишет:
dlopen(libGL.so.1)
Open X display
Initializing OpenGL display
Using XFree86-VidModeExtension Version 2.2
DGA DirectVideo Mouse (Version 2.0) initialized
Free86-VidModeExtension Activated at 640x480
Couldn't get a visual
dlopen(libGL.so.1)
Initializing OpenGL display
Using XFree86-VidModeExtension Version 2.2
DGA DirectVideo Mouse (Version 2.0) initialized
Free86-VidModeExtension Activated at 640x480
Couldn't get a visual
idRenderSystem::Shutdown()
Fatal X Error:
Major opcode of failed request: 105
Minor opcode of failed request: 0
Serial number of failed request: 38
BadValue (integer parameter out of range for operation)
Fatal X Error:
Major opcode of failed request: 2
Minor opcode of failed request: 0
Serial number of failed request: 42
BadWindow (invalid Window parameter)
Fatal X Error:
Major opcode of failed request: 4
Minor opcode of failed request: 0
Serial number of failed request: 43
BadWindow (invalid Window parameter)
Sys_Error: Unable to initialize OpenGL

Помогите чем можете