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I am running Arch on a Macbook Pro 11,1. The idle temperature is very close to that of OSX (about 45C, with Arch a few degrees higher). However, when I put the laptop under stress — compiling a medium-sized project, for example — the temperature goes up to about 90C on Arch, whereas doing the equivalent on OSX would get me 75-80C at most. In Arch at 90C the fans end up at max speed, so it's not directly a cooling problem. I don't know how to find the actual issue, however, especially without potentially causing damage. How should I try to reduce the temperature at high load?
Relevant programs I'm running include mpbfan, thermald, and tld. I do have one suspicion, since I know it's not just the fan not working. My processor is a 2.8 GHz i7 with turbo boost up to 3.3 GHz. I don't know how turbo boost is supposed to work under normal circumstances, but perhaps it's staying at the max frequency for longer than OSX would do? This is just speculation on my part, however.
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