Messages in this thread | | | Subject | Re: Mystery clicking under keyboard, 3.x only, SSD only | From | Bill Gribble <> | Date | Mon, 12 Dec 2011 12:27:53 -0500 |
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On Mon, 2011-12-12 at 23:10 +0600, Alexander E. Patrakov wrote: > This clicking can be related to the events when the device goes to deep > powersaving levels. Fluctuations in the consumed current can lead to > audible clicks due to bad screening of audio wires, loose ferrite cores > in the coils, magnetostriction effect, etc. > > You can test this theory by running several copies of "yes > /dev/null" > and thus eating 100% CPU. If this eliminates the clicking effect, then > my guess is correct and you have to disable some of the deepest > powersaving states to remove the clicks.
Got it in one! Causing 100% CPU utilization does indeed stop the clicking. I will look for power saving settings that I can control.
Thanks, Bill Gribble
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