[8600M] Very slow work after cuda developer's drivers installing

[Nicholas Shatokhin]

After I installed latest Nvidia developer drivers, I see very slow work of Ubuntu (and huge cpu loading)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: nvidia-current (not installed)
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic-pae 3.2.6
Uname: Linux 3.2.0-17-generic-pae i686
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 Kernel Module 285.05.33 Thu Jan 19 15:24:04 PST 2012
 GCC version: gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu3)
.tmp.unity.support.test.0:

ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
Date: Sun Mar 18 01:43:42 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
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 12.04 LTS "Precise Pangolin" - Beta i386 (20120301)
JockeyStatus:
 kmod:nvidia_current - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
 kmod:nvidia_173 - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
 kmod:nvidia_current_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
 kmod:nvidia_173_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (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
 LANG=uk_UA.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-17-generic-pae root=UUID=eb5c0e50-b0a1-4a0c-9796-632e1c313373 ro quiet splash vt.handoff=7
SourcePackage: nvidia-graphics-drivers
UpgradeStatus: No upgrade log present (probably fresh install)
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 1:0.9.7.0~bzr2995-0ubuntu5
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu4
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
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
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

[Nicholas Shatokhin (robotex)]

I need this drivers for work.

[Bryce Harrington (bryce)]

I notice several bugs reporting similar problems with older nvidia cards: 877438 (8xxx cards), 940742 (6xxx cards), 943643 (9800), 958251 (8600), 962191 (7100). The problems include generally degraded performance, fuzzy fonts, and/or lagging in games, which did not exist in earlier versions of the nvidia driver.

We've recently added a new 295-33 version of -nvidia to Ubuntu. The changelog doesn't specifically list a fix for this type of problem, but it does list a few performance fixes, and would be worth re-testing. Update to nvidia 295.33 and report back here whether or not it improved the performance.

Note, you might be seeing crashes, corruption, or other assorted problems, but these may be separate bugs, let's just focus on the performance regression on this bug report.

[Nicholas Shatokhin (robotex)]

Did you add release or developer's drivers?

[Nicholas Shatokhin (robotex)]

No, problem still exists. I created new ticket when you can see new debug info and top's screens. https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/973506