Hi, I am seeing this with Linux v4.18.y and v4.19-rc4. Investigating thermal_zone3... # cat /sys/devices/virtual/thermal/thermal_zone3/type iwlwifi I have the following iwlwifi device and firmware installed... [ 10.476589] iwlwifi 0000:04:00.0: loaded firmware version 36.e91976c0.0 op_mode iwlmvm [ 10.519441] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230 What informations do you need and how can I help? Thanks. Regards, - Sedat -