[ltp] ibm r40 2722 cpu cooler running even when idle and battery runtime

flokno linux-thinkpad@linux-thinkpad.org
Mon, 24 Nov 2003 08:13:59 +0100


On Mon, 2003-11-24 at 06:55, Grigory Batalov wrote:
> On Sat, 22 Nov 2003 03:02:50 +0100
> flokno <flokno@gmx.net> wrote:
> 
> > i own an ibm r40 2722, pentium m 1.5 ghz.
> > 
> > kernel=2.4.22-ac4 with enhanced speedstep and apm enabled. acpi still
> > seems broken. i also use cpudynd as a userspace daemon.
> > 
> > when i let the computer switched on for a longer time (maybe 10 minutes)
> > the cpu cooler starts to blow about every 5 minutes for 40 seconds even
> > though the cpu is at 600mhz then.
> 
>   I see the same on A31, Pentium-M 1.4 GHz.
>   How do you check this "600 MHz" and how did you get it from 1.5 GHz?

cat /proc/cpuinfo

i also have a program: bogomips that calculates the speed. and then i
can see my cpu going up or down.

if i don't use cpudynd then

echo "0%50%50%powersave > /proc/cpufreq" and
echo "0%100%100%performance > /proc/cpufreq"

does the trick

--
 flo

>   I feel I missed something.