nforce2 & /proc/acpi/thermal_zone/THRM/temperature

nforce2 & /proc/acpi/thermal_zone/THRM/temperature

[Thomas Herrmann]

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Hi ACPI developers,

today I build a new kernel 2.4.26-rc2 vanilla on my NForce2 system (EPOX
8RDA+). It build fine and booted clean. But If I try to access
/proc/acpi/thermal_zone/THRM/temperature to read out the CPU temperature it gives back
"temperature:             22 C" which is not correct. lm_sensors reports:

# sensors
w83627hf-isa-0290
Adapter: ISA adapter
VCore 1:   +1.58 V  (min =  +0.00 V, max =  +4.08 V)
VCore 2:   +1.68 V  (min =  +0.00 V, max =  +4.08 V)
+3.3V:     +2.72 V  (min =  +2.82 V, max =  +3.79 V)       ALARM
+5V:       +4.94 V  (min =  +3.68 V, max =  +6.40 V)
+12V:     +11.93 V  (min =  +9.73 V, max = +13.30 V)
-12V:     -11.72 V  (min =  -4.32 V, max =  -2.42 V)       ALARM
-5V:       -5.10 V  (min =  +1.84 V, max =  -5.86 V)       ALARM
V5SB:      +5.51 V  (min =  +5.81 V, max =  +4.74 V)       ALARM
VBat:      +3.07 V  (min =  +3.82 V, max =  +3.28 V)       ALARM
fan1:        0 RPM  (min = 8653 RPM, div = 2)              ALARM
fan2:        0 RPM  (min = 4411 RPM, div = 2)              ALARM
fan3:     2556 RPM  (min = 1776 RPM, div = 8)
temp1:       +13°C  (high =   +42°C, hyst =   +85°C)   sensor = thermistor
temp2:     +32.0°C  (high =  +100°C, hyst =   +95°C)   sensor = thermistor
temp3:     +35.0°C  (high =  +100°C, hyst =   +95°C)   sensor = thermistor
vid:      +0.000 V
alarms:
beep_enable:
          Sound alarm disabled

while temp2 is my CPU temperature.

Grepping dmesg I see: ACPI: Thermal Zone [THRM] (22 C)

Please find attached the complete dmesg log.

BTW, using kernel 2.4.25 vanilla it reports the CPU temp through
/proc/acpi/thermal_zone/THRM/temperature correct.

Regards,   Thomas


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