I experience the same issue in a fresh Linux Mint 13 install!
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https://bugs.launchpad.net/bugs/1032187
Title:
Major OpenGL performance degradation over time
Status in NVIDIA Drivers Ubuntu:
New
Status in “nvidia-graphics-drivers” package in Ubuntu:
New
Bug description:
I have a fully updated Ubuntu 12.04 x64 installation with Nvidia
driver 302.17 enabled. The system contains an NVIDIA GeForce GTX 460
video card.
The problem I notice is that hardware acceleration stops some while
after log in. Immediately after reboot, GLXgears reports up to 3000
FPS. After a few minutes to hours, hardware acceleration stops, which
is e.g. noticable by a sluggish response from the user interface. E.g.
typing an e-mail becomes impossible, since the letters appear too slow
on the screen. Re-running GLXgears in that case reports about 23 FPS.
I noticed that the problem does not occur if I keep GLXgears running on the
background. I can't find any unusual things in /var/log/xorg.0.log that give
hints about what is happening during the occurance of the error.
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.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 302.17 Tue Jun 12 16:03:22
PDT 2012
GCC version: gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
.proc.driver.nvidia.warnings.fbdev:
Your system is not currently configured to drive a VGA console
on the primary VGA device. The NVIDIA Linux graphics driver
requires the use of a text-mode VGA console. Use of other console
drivers including, but not limited to, vesafb, may result in
corruption and stability problems, and is not supported.
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
DistUpgraded: 2012-05-02 09:32:18,284 DEBUG enabling apt cron job
DistroCodename: precise
DistroRelease: Ubuntu 12.04
DistroVariant: ubuntu
GraphicsCard:
NVIDIA Corporation GF104 [GeForce GTX 460] [10de:0e22] (rev a1) (prog-if 00
[VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:835e]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
JockeyStatus:
xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary,
Enabled, In use)
xorg:nvidia_current_updates - NVIDIA accelerated graphics driver
(post-release updates) (Proprietary, Disabled, Not in use)
MachineType: System manufacturer System Product Name
NonfreeKernelModules: nvidia
Package: nvidia-graphics-drivers (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic
root=UUID=e1c2ab31-a577-44ac-a6e0-a29562c3716f ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Tags: precise ubuntu
Uname: Linux 3.2.0-27-generic x86_64
UpgradeStatus: Upgraded to precise on 2012-05-02 (96 days ago)
UserGroups:
dmi.bios.date: 02/22/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1401
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8P67
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1401:bd02/22/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8P67:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.7.8-0ubuntu1.2
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.6
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
2:2.19.0-0ubuntu1~xup1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1build2
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