Re: 100% CPU usage

The Dell Inspiron 6400 had a firmware bug that caused
the temperature below about 55F to be reported as
255C (hot!). The system responded to that warning by
turning off the processor cache, and slow-clocking the
CPU. This resulted in 100% cpu usage for blameless
programs, as they tried to finish on a no longer fast
processor.

(A BIOS upgrade fixes this in the 6400)

I just mention it as producing those symptoms. If you
reboot, it's warmed up and runs normally until it gets cold
again someday and you start it up again. If there's some
way to check cache turned on and processor clock speed, it
might be worth looking at.

You could follow the trouble reports to the southern
hemisphere in the summer and the northern hemisphere
in the winter, from the USA, until they figured it out.
--
rhhardin@xxxxxxxxxxxxxx

On the internet, nobody knows you're a jerk.
.

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