Oh, I found that I used 174 version of drivers. After instaling latest version, all is ok.
** Changed in: xorg (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1064778 Title: Huge CPU loading by Xorg (impossible to work) Status in “xorg” package in Ubuntu: Fix Released Bug description: When some app running (i.e. firefox) I see very very big CPU loading by Xorg process and Ubuntu freezes. https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1064778/+attachment/3391319/+files/xorg_cpu.png ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xorg 1:7.6+12ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28 Uname: Linux 3.2.0-31-generic i686 NonfreeKernelModules: nvidia .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86 Kernel Module 173.14.35 Thu May 31 12:00:16 PDT 2012 GCC version: gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) .tmp.unity.support.test.0: ApportVersion: 2.0.1-0ubuntu13 Architecture: i386 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,move,imgpng,gnomecompat,vpswitch,place,session,mousepoll,snap,resize,grid,regex,unitymtgrabhandles,wall,animation,workarounds,fade,expo,ezoom,scale,unityshell] CompositorRunning: None Date: Wed Oct 10 03:45:16 2012 DistUpgraded: 2012-10-02 03:02:30,489 DEBUG enabling apt cron job DistroCodename: precise DistroVariant: ubuntu DkmsStatus: nvidia-173, 173.14.35, 3.0.0-12-generic, i686: installed nvidia-173, 173.14.35, 3.2.0-31-generic, i686: installed nvidia-current, 295.40, 3.2.0-31-generic, i686: installed nvidia-current-updates, 295.49, 3.2.0-31-generic, i686: installed ExtraDebuggingInterest: Yes, even including gdb or git bisection work if needed GraphicsCard: NVIDIA Corporation G86 [GeForce 8600M GS] [10de:0425] (rev a1) (prog-if 00 [VGA controller]) Subsystem: LG Electronics, Inc. Device [1854:0094] InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) JockeyStatus: xorg:nvidia_173 - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use) xorg:nvidia_173_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use) xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use) xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use) MachineType: LG Electronics R500-U.CP21R1 PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-31-generic root=UUID=2fef8c52-728a-472a-adf2-2d0850497714 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to precise on 2012-10-02 (8 days ago) XorgConf: Section "Device" Identifier "Default Device" Option "NoLogo" "True" EndSection dmi.bios.date: 08/29/2007 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: COLSSF10 dmi.board.name: COLUMBIA dmi.board.vendor: LG Electronics dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LG Electronics dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrCOLSSF10:bd08/29/2007:svnLGElectronics:pnR500-U.CP21R1:pvrNotApplicable:rvnLGElectronics:rnCOLUMBIA:rvrNotApplicable:cvnLGElectronics:ct10:cvrN/A: dmi.product.name: R500-U.CP21R1 dmi.product.version: Not Applicable dmi.sys.vendor: LG Electronics version.compiz: compiz 1:0.9.7.8-0ubuntu1.4 version.libdrm2: libdrm2 2.4.32-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.3+8.0.2-0ubuntu3.2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.3+8.0.2-0ubuntu3.2 version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.8 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1064778/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp