Hi, This is so annoying. Recently, I've been experimenting software-initiated shutdowns in my laptop (LG Gram) due to sudden temperature rises in which the fan doesn't catch up and doesn't reach maximum speed. In the journal, I see: kernel: thermal thermal_zone0: acpitz: critical temperature reached, shutting down They happen as follows. When the laptop is still cool (e.g., recently powered up), if I launch some compilation task, which is quite CPU demanding, then the temperature rises quickly and I hear that the CPU fan speeds up too slowly, so slowly that the critical temperature is reached and the laptop shuts down. However, if the laptop was already medium-hot due to other tasks, then the CPU fan catches up and reaches maximum speed quickly, so the temperature is controlled. This wasn't happening before, and I'm guessing that maybe some default kernel thermal parameters have changed recently? (This is replicable at least with all the kernels currently installed: 5.13.4, 5.13.5, 5.13.8). I see that the thermal policy is step_wise in some thermal zones, and user_space in others (there are 8). I'll be happy to provide more info if anyone has any clue on how to debug and/or fix this. Regards, -- Iñaki Úcar _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
