In 2.6.20.9 I can change trippoints: echo "105:100:100:78:70:40:30" > /proc/acpi/thermal_zone/TZ0/trip_points echo 10 > /proc/acpi/thermal_zone/TZ0/polling_frequency Then I got: cat /proc/acpi/thermal_zone/TZ0/* <setting not supported> cooling mode: active polling frequency: 10 seconds state: active[2] temperature: 45 C critical (S5): 105 C active[0]: 78 C: devices=0xdf415a40 active[1]: 70 C: devices=0xdf4159dc active[2]: 40 C: devices=0xdf41598c active[3]: 30 C: devices=0xdf41593c cat /proc/acpi/fan/*/* status: off status: off status: on status: on And fan turns on. In 2.6.22-rc1-mm1: echo "105:100:100:78:70:40:30" > /proc/acpi/thermal_zone/TZ0/trip_points bash: echo: write error: Błąd wejścia/wyjścia (input/output error) rutek:/home/maciek# cat /proc/acpi/thermal_zone/TZ0/* <setting not supported> polling frequency: 10 seconds state: ok temperature: 45 C critical (S5): 256 C active[0]: 78 C: devices=0xc1827a40 active[1]: 70 C: devices=0xc18279dc active[2]: 60 C: devices=0xc182798c active[3]: 50 C: devices=0xc182793c rutek:/home/maciek# cat /proc/acpi/fan/*/* status: off status: off status: off status: off Fan turns on when temperature is over 50*C. (want: 30) A read this: http://article.gmane.org/gmane.linux.acpi.devel/22750 But I don't have colling_policy, but only colling_mode: ls /proc/acpi/thermal_zone/TZ0/ cooling_mode polling_frequency state temperature trip_points Its bug or feature? Config, acpidump, dmesg: http://www.unixy.pl/maciek/download/kernel/2.6.22-rc1-mm1/ -- Maciej Rutecki www.unixy.pl Kernel Monkeys (http://kernel.wikidot.com/)
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