[Bug 253288] hwpstate_intel: modern ThinkPads wedge under any kind of load or during boot

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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 27 May 2022 09:25:14 UTC

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

--- Comment #54 from Tom Jones <thj@FreeBSD.org> ---
From reading the history on the Linux driver, my guess is that this is coming
from an interaction between the bios or acpi and the p state driver.

To summarise the thread so far the hardware in this thread breaks down as:

Computer                CPU             BAD

Thinkpad T490           i7-8565U        yes
x1 Carbon Gen7          i7-8565U        yes
P51                     i7-7820HQ       no
NUC7i7BNH               i7-8565U        yes
T490                    i7-10510U       yes
T480                    i5-8250U        no
T14 Gen1                i7-10510U       yes
x1 Carbon Gen4          i7-6600U        yes
Proctectli Clone        i3-8145U        yes
Eirik's laptop          i7-10610U       yes

I think these are all laptop bios' (the router hardware could be if it is a
cheap respin). I am trying to borrow a machine I can reproduce this issue on.

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