This is what is happening when I switch on the cool laptop: The fan is active, but nevertheless temp is increasing. I do not remember the content of trip_point_?_temp, but these numbers are rather low (much lower than the examples in the kernel sources), and unfortunately these files are not writable. Sys/devices/virtual/thermal/thermal_zone0/ wrote: After inserting the thermal module, I see in /sys/devices/virtual/thermal/thermal_zone0/ the data which obviously causes the problem: Files like This is what I tried: Removing the thermal module does not help. However, it seems that I am unable to configure the kernel to avoid this switching off. I am completely aware that it may break the laptop if running it possibly overheated, but I would be willing to take this risk (after all, it worked for years without the slowdown and probably thermal sensors reporting way too high temperature). Since several kernel versions there is no longer a slowdown, but the laptop simply switches off (after about 15 minutes, or even earlier if it is hot), rendering it practically unusable. Removing the thermal module had avoided this slowdown. Since ages, this laptop used to slow down after 15 minutes, apparently because it reports some overheating. I have an old Gericom laptop with probably a broken BIOS and perhaps broken thermal sensors. Posted: Mon 3:37 pm Post subject: Laptop switch off due to ACPI thermal zone
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