On Sat 2016-11-05 16:04:58, Henrique de Moraes Holschuh wrote: > On Sat, 05 Nov 2016, Pavel Machek wrote: > > [ 825.759661] thinkpad_acpi: THERMAL EMERGENCY: a sensor reports something is extremely hot! > > [ 825.761935] thinkpad_acpi: temperatures (Celsius): 101 49 N/A 78 33 N/A 33 N/A 47 50 N/A N/A N/A N/A N/A N/A > > Oh boy, that must be the second time in a decade that I see that > codepath triggering. It is the second-level alert that the ThinkPad is > about to catch fire. > > It should have logged a "is too hot!" first-level alert earlier, but > this depends on the EC and not the driver. Maybe the temperature raised > too fast. I don't think I'm seeing the "is too hot" messages. Actually.. even the "THERMAL EMERGENCY" messages seem to have too low severity, so they are hidden in syslogs -- they don't go to all the consoles. > In Windows, the system would attempt to hibernate or shutdown. I would > be quite happy to have thinkpad-acpi trigger such behavior as well, > patches (or guidance) are welcome ;-) Sorry, just guidance for now: +#include <linux/reboot.h> + orderly_poweroff(true); [can be called from weird contexts, afaict]. > Anyway, if that temperature goes about 1~2°C higher, the EC should cut > power to your motherboard. Apparently, the built-in thermal protection > clock modulation on the Intel processor is somehow saving your box from > that forced power-off. Actually, the machine _will_ shut down some time after that. It seems that one of acpi trip points jumps to 128C which forces shutdown. Thanks and best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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