[Bug 253288] hwpstate_intel: Wedges under any kind of load on ThinkPad Carbon X1 Gen 8

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Sat Feb 13 23:41:54 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253288

--- Comment #20 from Sreehari S <sreeharisreedev1 at gmail.com> ---
(In reply to Sreehari S from comment #19)
Ok I've injected some kernel code to find the cutoff from
MSR_IA32_TEMPERATURE_TARGET, and it seems to be 3, which suggests thermal
throttling happens at 97 degrees C, instead of the broken 80 degrees C from
before. This is probably a result of Lenovo fixing the bug in firmware, so I'm
pretty sure this can be ruled out.

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