EzNet:
I've noted some differences between your config and mine.
1) The file nvidia-kernel-nck:
- You use the 169.12 driver, so it os the nvidia-new driver, it must be
specified correctly.
- You must tell the driver it is a mobile card, if not the PerfLevelSrc may
not work.
- So you must have these lines (and I only have these two, not three like
you):
alias char-major-195* nvidia
options nvidia_new NVreg_Mobile=1
NVreg_RegistryDwords="PerfLevelSrc=0x2222"
2) The location of nvidia-kernel-nck:
- You may have (like me) two versions of this file. One in /etc/modprobe.d/
and another in /etc/modutils/
- The file in /etc/modprobe.d must be the one that applies when the driver
is loaded and is the file we talk about.
- The file in /etc/modutils/ must contain only next line:
alias char-major-195 nvidia
3) Your xorg.conf file is a bit strange:
- It contains 2 "Device" sections, it is not needed the first one.
- You have two screens configured, but both TwinView and Xinerama
deactivated.
- The best solution I've found to work with 2 screens at a time is using
TwinView, and configure only 1 screen, then when I start a session and the
second monitor is detected, if the driver sets incorrectly the resolution then
I use the nvidia-settings application to change resolutions and so on.
- NEVER use the screen resolution shipped with Ubuntu with an Nvidia card!
It breaks the xorg.conf easily.
- This is my "Screen" section, for reference:
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
Option "NoLogo" "True"
Option "DynamicTwinView" "True"
Option "RenderAccel" "True"
Option "TwinView" "True"
Option "MetaModes" "nvidia-auto-select, nvidia-auto-select"
Option "TwinViewXineramaInfoOrder" "DFP,CRT"
Option "NvAGP" "1"
Option "Coolbits" "1"
SubSection "Display"
Depth 24
EndSubSection
EndSection
- Things to note:
* Using NvAGP instead of AGPGart, but it is a personal preference.
* Enabling Twinview
I hope this info can help you a bit.
--
Occasional screen-wide "blink" when using opengl apps (compiz also) and Nvidia
cards
https://bugs.launchpad.net/bugs/164589
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