Ferraganchos & Pinchos

Or how to rip all this stuff out of my head…

Fixing Nvidia flickering in Ubuntu

I suddenly got tired about Nvidia flickering, so I googled for a while and I found a workaround that disables PowerMizer. PowerMizer changes GPU clock speed on demand, causing a flicker every time it changes. The workaround consists on fixing the clock speed.

Here is my /etc/modprobe.d/options

options nvidia NVreg_RegistryDwords='PerfLevelSrc=0x2222'
options nvidia NVreg_Mobile=1

Fixed on Vaio VGN-FE11S with Ubuntu 10.04 and NVidia driver 195.36.15

I hope some day Nvidia releases a fixed driver.

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