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How to check the temperature of Rock Pi S CPU?


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Per Radxa here, it is possible to obtain CPU temperature via "sudo cat /sys/class/thermal/thermal_zone0/temp".

But the following paths do not exist on Armbian 23.05.1 Bookworm with Linux 6.1.30-rockchip64:

  • /etc/armbianmonitor/datasources/soctemp
  • /sys/devices/virtual/thermal/thermal_zone0/temp

Running armbianmonitor -M, also does not show the temp:

Time CPU load %cpu %sys %usr %nice %io %irq C.St.
22:29:52 408 MHz 0.02 0% 0% 0% 0% 0% 0% 0/6


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[    2.428071] thermal_sys: Failed to find 'trips' node
[    2.428097] thermal_sys: Failed to find trip points for tsadc id=0
[    2.428125] rockchip-thermal ff1f0000.tsadc: failed to register sensor 0: -22
[    2.428142] rockchip-thermal ff1f0000.tsadc: failed to register sensor[0] : error = -22
[    2.428167] rockchip-thermal: probe of ff1f0000.tsadc failed with error -22


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So I tried the official Radxa image for Rock Pi S and thermal zone works correctly there. So it is definitely a bug in Armbian but I guess I cannot expect any support here.



rock@rockpis:~$ ls /sys/class/thermal
cooling_device0  thermal_zone0  thermal_zone1


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