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

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

--- Comment #17 from Sreehari S <sreeharisreedev1 at gmail.com> ---
(In reply to Yuri Pankov from comment #16)
>From what I can tell only Lenovo/thinkpad users have complained about this bug,
though it's worth checking out if it affects all U processors or something. In
all likeliness it could be some differences in MSR writes through some edge
case not covered in FreeBSD that is covered in linux and others. I tried
checking for deadlocks in the new code through printf debugging (that's all I
know) and I couldn't find any myself, but I'm no expert so I wouldn't
completely rule that out unless someone else can confirm.

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