xorg optimus problem

[  1466.355]
X.Org X Server 1.14.1
Release Date: 2013-04-17
[  1466.355] X Protocol Version 11, Revision 0
[  1466.355] Build Operating System: Linux 3.9.4-gentoo x86_64 Gentoo
[  1466.355] Current Operating System: Linux nandriv 3.9.4-gentoo #1 SMP Thu May 30 15:03:26 CEST 2013 x86_64
[  1466.355] Kernel command line: auto BOOT_IMAGE=gentoo ro root=813
[  1466.355] Build Date: 30 May 2013  03:13:47PM
[  1466.355]
[  1466.355] Current version of pixman: 0.28.0
[  1466.355]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[  1466.355] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[  1466.356] (==) Log file: "/var/log/Xorg.0.log", Time: Thu May 30 16:12:36 2013
[  1466.356] (==) Using config file: "/etc/X11/xorg.conf"
[  1466.356] (==) Using config directory: "/etc/X11/xorg.conf.d"
[  1466.356] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[  1466.356] (==) ServerLayout "layout"
[  1466.356] (**) |-->Screen "nvidia" (0)
[  1466.356] (**) |   |-->Monitor "<default monitor>"
[  1466.356] (**) |   |-->Device "nvidia"
[  1466.356] (==) No monitor specified for screen "nvidia".
        Using a default monitor configuration.
[  1466.356] (**) |-->Inactive Device "intel"
[  1466.356] (==) Automatically adding devices
[  1466.356] (==) Automatically enabling devices
[  1466.356] (==) Automatically adding GPU devices
[  1466.356] (==) FontPath set to:
        /usr/share/fonts/misc/,
        /usr/share/fonts/TTF/,
        /usr/share/fonts/OTF/,
        /usr/share/fonts/Type1/,
        /usr/share/fonts/100dpi/,
        /usr/share/fonts/75dpi/
[  1466.356] (==) ModulePath set to "/usr/lib64/xorg/modules"
[  1466.356] (II) The server relies on udev to provide the list of input devices.
        If no devices become available, reconfigure udev or disable AutoAddDevices.
[  1466.356] (II) Loader magic: 0x809be0
[  1466.356] (II) Module ABI versions:
[  1466.356]    X.Org ANSI C Emulation: 0.4
[  1466.356]    X.Org Video Driver: 14.1
[  1466.356]    X.Org XInput driver : 19.1
[  1466.356]    X.Org Server Extension : 7.0
[  1466.356] (II) config/udev: Adding drm device (/dev/dri/card1)
[  1466.356] (II) config/udev: Adding drm device (/dev/dri/card0)
[  1466.357] (--) PCI:*(0:0:2:0) 8086:0166:1558:3700 rev 9, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64
[  1466.357] (--) PCI: (0:1:0:0) 10de:0fd4:1558:3700 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[  1466.357] Initializing built-in extension Generic Event Extension
[  1466.357] Initializing built-in extension SHAPE
[  1466.357] Initializing built-in extension MIT-SHM
[  1466.357] Initializing built-in extension XInputExtension
[  1466.357] Initializing built-in extension XTEST
[  1466.357] Initializing built-in extension BIG-REQUESTS
[  1466.358] Initializing built-in extension SYNC
[  1466.358] Initializing built-in extension XKEYBOARD
[  1466.358] Initializing built-in extension XC-MISC
[  1466.358] Initializing built-in extension XINERAMA
[  1466.358] Initializing built-in extension XFIXES
[  1466.358] Initializing built-in extension RENDER
     /usr/share/fonts/TTF/,
        /usr/share/fonts/OTF/,
        /usr/share/fonts/Type1/,
        /usr/share/fonts/100dpi/,
        /usr/share/fonts/75dpi/
[  1466.356] (==) ModulePath set to "/usr/lib64/xorg/modules"
[  1466.356] (II) The server relies on udev to provide the list of input devices.
        If no devices become available, reconfigure udev or disable AutoAddDevices.
[  1466.356] (II) Loader magic: 0x809be0
[  1466.356] (II) Module ABI versions:
[  1466.356]    X.Org ANSI C Emulation: 0.4
[  1466.356]    X.Org Video Driver: 14.1
[  1466.356]    X.Org XInput driver : 19.1
[  1466.356]    X.Org Server Extension : 7.0
[  1466.356] (II) config/udev: Adding drm device (/dev/dri/card1)
[  1466.356] (II) config/udev: Adding drm device (/dev/dri/card0)
[  1466.357] (--) PCI:*(0:0:2:0) 8086:0166:1558:3700 rev 9, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64
[  1466.357] (--) PCI: (0:1:0:0) 10de:0fd4:1558:3700 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[  1466.357] Initializing built-in extension Generic Event Extension
[  1466.357] Initializing built-in extension SHAPE
[  1466.357] Initializing built-in extension MIT-SHM
[  1466.357] Initializing built-in extension XInputExtension
[  1466.357] Initializing built-in extension XTEST
[  1466.357] Initializing built-in extension BIG-REQUESTS
[  1466.358] Initializing built-in extension SYNC
[  1466.358] Initializing built-in extension XKEYBOARD
[  1466.358] Initializing built-in extension XC-MISC
[  1466.358] Initializing built-in extension XINERAMA
[  1466.358] Initializing built-in extension XFIXES
[  1466.358] Initializing built-in extension RENDER
[  1466.358] Initializing built-in extension RANDR
[  1466.358] Initializing built-in extension COMPOSITE
[  1466.358] Initializing built-in extension DAMAGE
[  1466.358] Initializing built-in extension MIT-SCREEN-SAVER
[  1466.358] Initializing built-in extension DOUBLE-BUFFER
[  1466.358] Initializing built-in extension RECORD
[  1466.358] Initializing built-in extension DPMS
[  1466.358] Initializing built-in extension X-Resource
[  1466.358] Initializing built-in extension XVideo
[  1466.358] Initializing built-in extension XVideo-MotionCompensation
[  1466.358] Initializing built-in extension XFree86-VidModeExtension
[  1466.358] Initializing built-in extension XFree86-DGA
[  1466.358] Initializing built-in extension XFree86-DRI
[  1466.358] Initializing built-in extension DRI2
[  1466.358] (II) LoadModule: "glx"
[  1466.358] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[  1466.365] (II) Module glx: vendor="NVIDIA Corporation"
[  1466.365]    compiled for 4.0.2, module version = 1.0.0
[  1466.365]    Module class: X.Org Server Extension
[  1466.365] (II) NVIDIA GLX Module  319.17  Thu Apr 25 21:41:50 PDT 2013
[  1466.365] Loading extension GLX
[  1466.365] (II) LoadModule: "nvidia"
[  1466.365] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
[  1466.366] (II) Module nvidia: vendor="NVIDIA Corporation"
[  1466.366]    compiled for 4.0.2, module version = 1.0.0
[  1466.366]    Module class: X.Org Video Driver
[  1466.366] (II) LoadModule: "modesetting"
[  1466.366] (II) Loading /usr/lib64/xorg/modules/drivers/modesetting_drv.so
[  1466.366] (II) Module modesetting: vendor="X.Org Foundation"
[  1466.366]    compiled for 1.14.1, module version = 0.7.0
[  1466.366]    Module class: X.Org Video Driver
[  1466.366] (II) LoadModule: "modesetting"
[  1466.366] (II) Loading /usr/lib64/xorg/modules/drivers/modesetting_drv.so
[  1466.366] (II) Module modesetting: vendor="X.Org Foundation"
[  1466.366]    compiled for 1.14.1, module version = 0.7.0
[  1466.366]    Module class: X.Org Video Driver
[  1466.366]    ABI class: X.Org Video Driver, version 14.1
[  1466.366] (II) NVIDIA dlloader X Driver  319.17  Thu Apr 25 21:23:57 PDT 2013
[  1466.366] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[  1466.366] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[  1466.366] (--) using VT number 7

[  1466.370] (II) modesetting(G0): using drv /dev/dri/card1
[  1466.371] (II) modesetting(G1): using drv /dev/dri/card0
[  1466.371] (WW) Falling back to old probe method for modesetting
[  1466.371] (EE) No devices detected.
[  1466.371]
Fatal server error:
[  1466.371] no screens found
[  1466.371] (EE)
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[  1466.371] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[  1466.371] (EE)