The problem is not with the Gnome frequency scaling applet. I used the
cpufreq-selector command and it doesn't change the frequency either. I
managed to get some reaction yet, by switching the ACPI daemon and
related on and off quickly. Then, sometimes, for a few seconds, the
frequency will decrease as was requested. Then it will rise back to
maximum a few seconds later.
I monitored the frequency change with this dumb loop, that shows a time
increase to perform the inner loop:
while : ; do time { for (( b=0 ; b<10000 ; b++ )) ; do b=$b ; done } ;
echo $a ; done
Just in case, I removed the Gnome applet... this didn't change anything
to the problem.
By the way, the cpufreq-selector takes seconds to react. And doesn't
change the frequency.
To me this is a major bug:
- My battery autonomy has decreased below what I need to do my job.
- I'm working in libraries. The fan switching on and off to cool the
highclocked CPU is disturbing for me and for people around me. I'm
writing this comment in the local cafeteria because I don't dare go to
the library with this faulty laptop.
- My CPU radiator is accumulating dust.
I'm using a HP dv6000 laptop with Intel processor; dv6415eb to be
precise.
--
cpu frequency scaling monitor does not change frequency in Ubuntu Jaunty (9.04)
alpha 5 on Core 2 system
https://bugs.launchpad.net/bugs/337780
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