Hi! > > 4.9-rc2 has bios_limit: > > > > pavel@duo:~$ cat /sys/devices/system/cpu/cpu0/cpufreq/bios_limit > > 1833000 > > > > and it has thermal zones: > > > > /sys/devices/virtual/thermal/thermal_zone0/trip_point_0_temp 127000 > > /sys/devices/virtual/thermal/thermal_zone0/trip_point_0_type critical > > /sys/devices/virtual/thermal/thermal_zone1/trip_point_0_temp 97000 > > /sys/devices/virtual/thermal/thermal_zone1/trip_point_0_type critical > > /sys/devices/virtual/thermal/thermal_zone1/trip_point_1_temp 92500 > > /sys/devices/virtual/thermal/thermal_zone1/trip_point_1_type passive > > > It will not act if there is no binding information. Do you have more > files in this folder? > > grep -r . * in /sys/class/thermal will be helpful. Yes, I do. Here you go: pavel@duo:/data/l/linux$ sudo grep -ri . /sys/class/thermal/* /sys/class/thermal/cooling_device0/cur_state:0 /sys/class/thermal/cooling_device0/power/runtime_active_kids:0 /sys/class/thermal/cooling_device0/power/runtime_suspended_time:0 grep: /sys/class/thermal/cooling_device0/power/autosuspend_delay_ms: Input/output error /sys/class/thermal/cooling_device0/power/runtime_enabled:disabled /sys/class/thermal/cooling_device0/power/runtime_active_time:0 /sys/class/thermal/cooling_device0/power/control:auto /sys/class/thermal/cooling_device0/power/async:disabled /sys/class/thermal/cooling_device0/power/runtime_usage:0 /sys/class/thermal/cooling_device0/power/runtime_status:unsupported /sys/class/thermal/cooling_device0/type:LCD /sys/class/thermal/cooling_device0/max_state:7 /sys/class/thermal/cooling_device1/cur_state:0 /sys/class/thermal/cooling_device1/power/runtime_active_kids:0 /sys/class/thermal/cooling_device1/power/runtime_suspended_time:0 grep: /sys/class/thermal/cooling_device1/power/autosuspend_delay_ms: Input/output error /sys/class/thermal/cooling_device1/power/runtime_enabled:disabled /sys/class/thermal/cooling_device1/power/runtime_active_time:0 /sys/class/thermal/cooling_device1/power/control:auto /sys/class/thermal/cooling_device1/power/async:disabled /sys/class/thermal/cooling_device1/power/runtime_usage:0 /sys/class/thermal/cooling_device1/power/runtime_status:unsupported /sys/class/thermal/cooling_device1/type:Processor /sys/class/thermal/cooling_device1/max_state:10 /sys/class/thermal/cooling_device2/cur_state:0 /sys/class/thermal/cooling_device2/power/runtime_active_kids:0 /sys/class/thermal/cooling_device2/power/runtime_suspended_time:0 grep: /sys/class/thermal/cooling_device2/power/autosuspend_delay_ms: Input/output error /sys/class/thermal/cooling_device2/power/runtime_enabled:disabled /sys/class/thermal/cooling_device2/power/runtime_active_time:0 /sys/class/thermal/cooling_device2/power/control:auto /sys/class/thermal/cooling_device2/power/async:disabled /sys/class/thermal/cooling_device2/power/runtime_usage:0 /sys/class/thermal/cooling_device2/power/runtime_status:unsupported /sys/class/thermal/cooling_device2/type:Processor /sys/class/thermal/cooling_device2/max_state:10 /sys/class/thermal/thermal_zone0/passive:0 /sys/class/thermal/thermal_zone0/available_policies:step_wise /sys/class/thermal/thermal_zone0/policy:step_wise /sys/class/thermal/thermal_zone0/mode:enabled grep: /sys/class/thermal/thermal_zone0/offset: Input/output error grep: /sys/class/thermal/thermal_zone0/integral_cutoff: Input/output error /sys/class/thermal/thermal_zone0/power/runtime_active_kids:0 /sys/class/thermal/thermal_zone0/power/runtime_suspended_time:0 grep: /sys/class/thermal/thermal_zone0/power/autosuspend_delay_ms: Input/output error /sys/class/thermal/thermal_zone0/power/runtime_enabled:disabled /sys/class/thermal/thermal_zone0/power/runtime_active_time:0 /sys/class/thermal/thermal_zone0/power/control:auto /sys/class/thermal/thermal_zone0/power/async:disabled /sys/class/thermal/thermal_zone0/power/runtime_usage:0 /sys/class/thermal/thermal_zone0/power/runtime_status:unsupported grep: /sys/class/thermal/thermal_zone0/k_d: Input/output error /sys/class/thermal/thermal_zone0/trip_point_0_type:critical /sys/class/thermal/thermal_zone0/type:acpitz grep: /sys/class/thermal/thermal_zone0/slope: Input/output error grep: /sys/class/thermal/thermal_zone0/k_po: Input/output error grep: /sys/class/thermal/thermal_zone0/k_i: Input/output error grep: /sys/class/thermal/thermal_zone0/sustainable_power: Input/output error /sys/class/thermal/thermal_zone0/trip_point_0_temp:127000 grep: /sys/class/thermal/thermal_zone0/k_pu: Input/output error /sys/class/thermal/thermal_zone0/temp:58000 /sys/class/thermal/thermal_zone1/available_policies:step_wise /sys/class/thermal/thermal_zone1/policy:step_wise /sys/class/thermal/thermal_zone1/mode:enabled /sys/class/thermal/thermal_zone1/trip_point_1_type:passive grep: /sys/class/thermal/thermal_zone1/offset: Input/output error grep: /sys/class/thermal/thermal_zone1/integral_cutoff: Input/output error /sys/class/thermal/thermal_zone1/power/runtime_active_kids:0 /sys/class/thermal/thermal_zone1/power/runtime_suspended_time:0 grep: /sys/class/thermal/thermal_zone1/power/autosuspend_delay_ms: Input/output error /sys/class/thermal/thermal_zone1/power/runtime_enabled:disabled /sys/class/thermal/thermal_zone1/power/runtime_active_time:0 /sys/class/thermal/thermal_zone1/power/control:auto /sys/class/thermal/thermal_zone1/power/async:disabled /sys/class/thermal/thermal_zone1/power/runtime_usage:0 /sys/class/thermal/thermal_zone1/power/runtime_status:unsupported grep: /sys/class/thermal/thermal_zone1/k_d: Input/output error /sys/class/thermal/thermal_zone1/trip_point_0_type:critical /sys/class/thermal/thermal_zone1/type:acpitz /sys/class/thermal/thermal_zone1/cdev1_weight:0 /sys/class/thermal/thermal_zone1/trip_point_1_temp:92500 grep: /sys/class/thermal/thermal_zone1/slope: Input/output error grep: /sys/class/thermal/thermal_zone1/k_po: Input/output error grep: /sys/class/thermal/thermal_zone1/k_i: Input/output error /sys/class/thermal/thermal_zone1/cdev0_weight:0 grep: /sys/class/thermal/thermal_zone1/sustainable_power: Input/output error /sys/class/thermal/thermal_zone1/trip_point_0_temp:97000 /sys/class/thermal/thermal_zone1/cdev0_trip_point:1 grep: /sys/class/thermal/thermal_zone1/k_pu: Input/output error /sys/class/thermal/thermal_zone1/temp:80000 /sys/class/thermal/thermal_zone1/cdev1_trip_point:1 > > Hmm. bios_limit does not seem to change, even when the temperature is > > clearly above the trip point. (It is also interestng that acpi/ibm > > reports bigger temperatures than > > /sys/devices/virtual/thermal/thermal_zone1/temp . I have seen 103C > > there.) > Probably they are showing package and core temperature or have a > different sampling interval. > > Try enabling thermald service in Debian. it has access to more knobs to > control thermals. Hmm, thanks for the pointer. But it seems like I'll have to build my own, as /proc/acpi/ibm does not follow the usual infrastructure... Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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