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Old 03-10-07, 04:14 AM   #34
stefan42
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Join Date: Jul 2003
Posts: 51
Default Re: Frequesnt screen flickers and occasional os crash

Quote:
Originally Posted by Lithorus
Try adding this to /etc/modprobe.d/options
It really helps (in my case I have sometimes the Xid and black screen or the horizontal screen shaking) - great!

But it seems as if this option causes the GPU not to change the frequency anymore. nvclock -s returns constant values. Without the option the GPU frequency goes down when there is no GPU activity. (Which is okay because I had the horizontal screen shaking exactly when the frequency changes).

Can someone confirm that NVreg_RegistryDwords="PerfLevelSrc=0x2222" disables GPU frequency scaling?
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