nvidia driver problem

when i try to run optirun <programm> command i take this
gerry@Deep-blue:~$ optirun firefox
[ 74.002117] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) NVIDIA(0): Failed to initialize the NVIDIA GPU at PCI:1:0:0. Please

[ 74.002158] [ERROR]Aborting because fallback start is disabled

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Uname: Linux 3.13.0-36-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 304.117 Tue Nov 26 21:25:36 PST 2013
 GCC version: gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
.tmp.unity.support.test.0:

ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Wed Oct 1 20:44:00 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus:
 bbswitch, 0.8, 3.13.0-36-generic, x86_64: installed
 nvidia-304, 304.117, 3.13.0-36-generic, x86_64: installed
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Fujitsu Limited. Device [10cf:16c2]
 NVIDIA Corporation GF108M [GeForce GT 620M] [10de:0de8] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Fujitsu Limited. Device [10cf:1767]
InstallationDate: Installed on 2014-09-29 (2 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: FUJITSU LIFEBOOK AH532/G21
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-36-generic root=UUID=5979bda2-aa14-4d9b-8314-194a1a18db67 ro quiet splash
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/20/2013
dmi.bios.vendor: FUJITSU // Phoenix Technologies Ltd.
dmi.bios.version: Version 2.09
dmi.board.name: FJNBB2B
dmi.board.vendor: FUJITSU
dmi.chassis.type: 10
dmi.chassis.vendor: FUJITSU
dmi.modalias: dmi:bvnFUJITSU//PhoenixTechnologiesLtd.:bvrVersion2.09:bd02/20/2013:svnFUJITSU:pnLIFEBOOKAH532/G21:pvr:rvnFUJITSU:rnFJNBB2B:rvr:cvnFUJITSU:ct10:cvr:
dmi.product.name: LIFEBOOK AH532/G21
dmi.sys.vendor: FUJITSU
version.compiz: compiz 1:0.9.11.2+14.04.20140714-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Wed Oct 1 20:35:49 2014
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 13378
 vendor SEC
xserver.version: 2:1.15.1-0ubuntu2.1