On Thu, 2018-09-20 at 15:42 +0200, Sedat Dilek wrote: > Hi, 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? This is normal, though annoying, and was discussed before. The thermal framework is trying to read the temperature as soon as the zone is registered and this causes that warning. Our device only provides the temperature when the device goes up, so reading before that will always fail. -- Cheers, Luca.