thank you very much for your realistic and handy solutions.
suomi
Karl Larsen wrote:
fedora wrote:
Hi listers
here is a laptop with
[root@myhost ~]# cat /etc/fedora-release
Fedora release 7 (Moonshine)
[root@myhost ~]#
worked well until 10 days ago. then, the laptop started its fan, and
drove down its cpuspeed to about a quarter of the speed before. if i
run the system-monitor, the cpu is busy always about 30 %, whereas
before it was busy only about 6 %.
The fan from then on is never stopped and the CPU stays low in
performance from then on. i have to do a power down (either
pm-hibernate or halt/reboot) in order to make it come up with the
"full" performance and stay there for a while. after that, the fan
starts again and the cpu slows down.
after some googling i tried the following:
[root@myhost ~]# cat
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
997500
[root@myhost ~]# cat
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
731500
[root@myhost ~]# echo "997500"
>/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
[root@myhost ~]# cat
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
997500
[root@myhost ~]#
i also changed the parameters of the cpuspeed program, so that now it
comes up with:
1413 ? Ss 0:01 cpuspeed -d -p 90 45 -m 731500 -M 997500 -n
all to no avail.
i also checked to see, whether in the BIOS the intelCPUstepping is
enabled, and it is enabled.
i understand, that the fan at a certain point in time starts turning.
but i don't understand, why at the same time, the cpu slows down.
has anyone got an idea, where this immediate change stems from and how
i could stop it?
thanks in advance for any reply
suomi
I don't know your laptop but it sounds like you have a lot of dirt
and lint inside the box making it hard for the fan to cool. I have used
a vacume sweeper with a lot of suck and the crud really comes out.
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