My feeling here is that whatever controls the fan isn’t doing a good job. While watching the thermal monitor widget, if I pan around in the zoomed document, the temperature was hitting 90 degrees plus, and it did eventually cause a shutdown. The thermal monitor widget is showing temperatures within normal range, but the temps do spike when doing things that I assume are taxing the GPU.įor example I had a schematic diagram open in Okular and zoomed in to see a detail. I take this as proof that there isn’t a hardware problem and the fan does work. The fan was quiet while running windows just like in Kubuntu, but when I shut down the computer, the fan ran at a speed that was fast enough for me to hear it for several seconds while shutting down. Interestingly, I ran Windows yesterday after one of these random shutdowns. It appears that the laptop is set up for fan control by firmware, but once the OS takes over, it seems that the fan isn’t being activated and the computer is shutting down because of temperature. I have an LG Gram 14" laptop with the same cooling issue (fan does not run). Global (AAC enable/disable applies to all supported USTT modes) Print Current Status of Thermal Information:Ĭurrent Active Acoustic Controller (AAC) Mode: Helper function to Get current Thermal Mode settings Thermal Information Set successfully to: sudo smbios-thermal-ctl -get-thermal-info Global (AAC enable/disable applies to all supported USTT sudo smbios-thermal-ctl -set-thermal-mode performance Supported Active Acoustic Controller (AAC) modes: Print all the Available Thermal Information of your system:
Perhaps just changing the SMBIOS thermal mode will alleviate your issue? This worked on my laptop: sudo smbios-thermal-ctl -info I cant echo into fan_mode, even with sudo and pipe magic “echo “1” | sudo tee fan_mode”Įven without errors after a echo, when i cat the file it is unchanged. Lrwxrwxrwx 1 root root 0 Nov 2 13:24 subsystem -> …/…/…/bus/platform
r–r-r- 1 root root 4096 Nov 2 13:24 modaliasĭrwxr-xr-x 2 root root 0 Nov 2 13:24 power rw-r–r- 1 root root 4096 Nov 2 13:24 driver_override Lrwxrwxrwx 1 root root 0 Nov 2 13:24 driver -> …/…/…/bus/platform/drivers/lg-laptop rw-r–r- 1 root root 4096 Oct 30 02:15 battery_care_limit I found /sys/devices/platform/lg-laptop:drwxr-xr-x 4 root root 0 Oct 28 12:09.
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