Pieter De Wit napisał(a): > Hi Luming, > > This module was build into the kernel. After make it a module and making > sure it's not loaded, I still see the problem. Here is a more detailed > problem: > > If I leave ACPI to manage the system, thermal zone TZ4 stays around 80 > C. The moment I turn on fan C318, this zone *shoots* up to 100 C and > stays there, no matter what. This fan I can't turn off again. > > Here is a cat of fans, thermal_zone status and temp. > > status: on > status: off > status: on > status: on > status: on > status: on > status: on > state: active[2] > state: ok > state: ok > state: ok > state: ok > temperature: 65 C > temperature: 61 C > temperature: 54 C > temperature: 30 C > temperature: 100 C > > This was taken during the compile of gcc. While not doing anything, the > second zone drops to 54 C (currently at 61) Show: cat /proc/acpi/thermal_zone/TZ0/trip_points or change TZ0 to TZ1 For many HP notebooks first trip point is to low. To change manually, for example: echo "105:100:100:78:70:60:50" > /proc/acpi/thermal_zone/TZ0/trip_points echo 10 > /proc/acpi/thermal_zone/TZ0/polling_frequency Then I have: maciek@rutek:~$ cat /proc/acpi/thermal_zone/TZ0/trip_points critical (S5): 105 C active[0]: 78 C: devices=0xcf7aea40 active[1]: 70 C: devices=0xcf7ae9dc active[2]: 60 C: devices=0xcf7ae98c active[3]: 50 C: devices=0xcf7ae93c maciek@rutek:~$ cat /proc/acpi/thermal_zone/TZ0/polling_frequency polling frequency: 10 seconds -- Maciej Rutecki <maciej.rutecki@xxxxxxxxx> http://www.unixy.pl LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/)
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