nvidia - xorg.conf falsch?

Servus,

ich habe mir letztens den neuen Nvidia-Beta-Treiber für mein Toshiba Satellite Notebook geholt, weil ich ausprobieren möchte ob die Optimus-Unterstützung endlich funktioniert. Kernel 3.9x ist auch installiert. Der Treiber lässt sich installieren, aber beim Start des X-Servers steigt er mit der Fehlermeldung “no screens found” aus. Ich vermute mal, dass meine xorg.conf irgendwie falsch ist, aber leider fehlt es mir an Erfahrung um zu wissen, wo genau der Fehler liegt.
Die xorg.conf, die nvidia-xconfig erzeugt sieht so aus:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 319.12  (buildmeister@swio-display-x86-rhel47-06)  Wed Apr  3 16:12:29 PDT 2013

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
    
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection


und die dazugehörige Xorg-Logdatei sieht so aus:

  1970.243] 
X.Org X Server 1.13.2
Release Date: 2013-01-24
  1970.243] X Protocol Version 11, Revision 0
  1970.243] Build Operating System: openSUSE SUSE LINUX
  1970.243] Current Operating System: Linux linux-wuo0.site 3.9.2-1.g04040b9-desktop #1 SMP PREEMPT Sun May 12 14:53:56 UTC 2013 (04040b9) x86_64
  1970.243] Kernel command line: BOOT_IMAGE=/vmlinuz-3.9.2-1.g04040b9-desktop root=/dev/mapper/LVM_Gruppe-root resume=/dev/LVM_Gruppe/swap splash=silent quiet showopts acpi=copy_dsdt acpi-osi=Linux
  1970.243] Build Date: 30 April 2013  08:24:17AM
  1970.243]  
  1970.243] Current version of pixman: 0.28.2
  1970.243]     Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
  1970.243] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
  1970.244] (==) Log file: "/var/log/Xorg.1.log", Time: Wed May 15 13:43:06 2013
  1970.244] (==) Using config file: "/etc/X11/xorg.conf"
  1970.244] (==) Using config directory: "/etc/X11/xorg.conf.d"
  1970.244] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
  1970.244] (==) ServerLayout "Layout0"
  1970.244] (**) |-->Screen "Screen0" (0)
  1970.244] (**) |   |-->Monitor "Monitor0"
  1970.244] (**) |   |-->Device "Device0"
  1970.244] (**) |-->Input Device "Keyboard0"
  1970.244] (**) |-->Input Device "Mouse0"
  1970.244] (==) Automatically adding devices
  1970.244] (==) Automatically enabling devices
  1970.244] (==) Automatically adding GPU devices
  1970.244] (WW) The directory "/usr/share/fonts/misc/sgi" does not exist.
  1970.244]     Entry deleted from font path.
  1970.244] (==) FontPath set to:
    /usr/share/fonts/misc:unscaled,
    /usr/share/fonts/Type1/,
    /usr/share/fonts/100dpi:unscaled,
    /usr/share/fonts/75dpi:unscaled,
    /usr/share/fonts/ghostscript/,
    /usr/share/fonts/cyrillic:unscaled,
    /usr/share/fonts/truetype/,
    built-ins
  1970.244] (==) ModulePath set to "/usr/lib64/xorg/modules/updates,/usr/lib64/xorg/modules"
  1970.244] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
  1970.244] (WW) Disabling Keyboard0
  1970.244] (WW) Disabling Mouse0
  1970.245] (II) Loader magic: 0x801c20
  1970.245] (II) Module ABI versions:
  1970.245]     X.Org ANSI C Emulation: 0.4
  1970.245]     X.Org Video Driver: 13.1
  1970.245]     X.Org XInput driver : 18.0
  1970.245]     X.Org Server Extension : 7.0
  1970.245] (II) config/udev: Adding drm device (/dev/dri/card1)
  1970.245] setversion 1.4 failed
  1970.245] (II) config/udev: Adding drm device (/dev/dri/card0)
  1970.245] setversion 1.4 failed
  1970.246] (--) PCI:*(0:0:2:0) 8086:0116:1179:fc01 rev 9, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64
  1970.246] (--) PCI: (0:1:0:0) 10de:0df4:1179:fc01 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
  1970.247] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
  1970.247] Initializing built-in extension Generic Event Extension
  1970.247] Initializing built-in extension SHAPE
  1970.247] Initializing built-in extension MIT-SHM
  1970.247] Initializing built-in extension XInputExtension
  1970.247] Initializing built-in extension XTEST
  1970.247] Initializing built-in extension BIG-REQUESTS
  1970.247] Initializing built-in extension SYNC
  1970.247] Initializing built-in extension XKEYBOARD
  1970.247] Initializing built-in extension XC-MISC
  1970.247] Initializing built-in extension SECURITY
  1970.247] Initializing built-in extension XINERAMA
  1970.247] Initializing built-in extension XFIXES
  1970.247] Initializing built-in extension RENDER
  1970.247] Initializing built-in extension RANDR
  1970.247] Initializing built-in extension COMPOSITE
  1970.247] Initializing built-in extension DAMAGE
  1970.247] Initializing built-in extension MIT-SCREEN-SAVER
  1970.247] Initializing built-in extension DOUBLE-BUFFER
  1970.247] Initializing built-in extension RECORD
  1970.247] Initializing built-in extension DPMS
  1970.247] Initializing built-in extension X-Resource
  1970.247] Initializing built-in extension XVideo
  1970.247] Initializing built-in extension XVideo-MotionCompensation
  1970.247] Initializing built-in extension XFree86-VidModeExtension
  1970.247] Initializing built-in extension XFree86-DGA
  1970.247] Initializing built-in extension XFree86-DRI
  1970.247] Initializing built-in extension DRI2
  1970.247] (II) "glx" will be loaded by default.
  1970.247] (II) LoadModule: "dri2"
  1970.247] (II) Module "dri2" already built-in
  1970.247] (II) LoadModule: "glamoregl"
  1970.247] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
  1970.257] (EE) Failed to load /usr/lib64/xorg/modules/libglamoregl.so: /usr/lib64/xorg/modules/libglamoregl.so: undefined symbol: _glapi_tls_Context
  1970.257] (II) UnloadModule: "glamoregl"
  1970.257] (II) Unloading glamoregl
  1970.257] (EE) Failed to load module "glamoregl" (loader failed, 7)
  1970.257] (II) LoadModule: "glx"
  1970.257] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
  1970.267] (II) Module glx: vendor="NVIDIA Corporation"
  1970.267]     compiled for 4.0.2, module version = 1.0.0
  1970.267]     Module class: X.Org Server Extension
  1970.267] (II) NVIDIA GLX Module  319.12  Wed Apr  3 15:25:32 PDT 2013
  1970.267] Loading extension GLX
  1970.267] (II) LoadModule: "nvidia"
  1970.267] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
  1970.268] (II) Module nvidia: vendor="NVIDIA Corporation"
  1970.268]     compiled for 4.0.2, module version = 1.0.0
  1970.268]     Module class: X.Org Video Driver
  1970.268] (II) NVIDIA dlloader X Driver  319.12  Wed Apr  3 15:07:08 PDT 2013
  1970.268] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
  1970.268] (--) using VT number 3

  1970.421] (EE) No devices detected.
  1970.421] 
Fatal server error:
  1970.421] no screens found
  1970.421] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
  1970.421] (EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information.
  1970.421] (EE) 


Leider werde ich daraus nicht ganz schlau, und die meisten thematisch verwandten Forenposts beziehen sich auf bumblebee, welches mich aber in diesem Fall explizit nicht interessiert.
Kann mir jemand bisschen weiterhelfen?

Vielen Dank schonmal und schöne Grüße!