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* [gentoo-user] CPU "choking" under high load
@ 2010-03-26 20:47 99% Daniel Quinn
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From: Daniel Quinn @ 2010-03-26 20:47 UTC (permalink / raw
  To: gentoo-user

I don't know if this is a hardware issue or not, but I thought that maybe I'd 
configured my kernel incorrectly and that this might be a known issue someone 
here has run across in the past so here goes:

My computer is a pretty impressive AMD 64 X2 Dual Core Processor 6400+ box 
with 2GB of RAM and for the most part, I just use it to write code at work.  
However, whenever I'm doing something CPU-intensive, two things happen:

  * The load on the box goes up to 4
  * The box intermittently wobbles from running at full-speed and dropping to
    a crawl.  This is best seen while watching Flash videos online, 
    compressing/encoding video, or compiling.  Everything is fine for a few 
    minutes, then suddenly the rate of compiling/compression/playback etc. 
    drops to a crawl for about 1-3minutes, then back up to full speed.

I don't know why it's happening.  I've tried various kernel options with no 
change in behaviour.  Outside of that though, I don't know what to try.  
Suggestions welcome :-(




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