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Date:      Wed, 10 Feb 2021 02:08:00 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 253288] hwpstate_intel: Wedges under any kind of load on ThinkPad Carbon X1 Gen 8
Message-ID:  <bug-253288-227-CyCUmH0uiq@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-253288-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-253288-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253288

--- Comment #5 from Sreehari S <sreeharisreedev1@gmail.com> ---
(In reply to Eirik Oeverby from comment #4)
No problem, I also have an incentive to help get FreeBSD 13.0 fully working=
 on
my hardware and ~~procrastination on my actual responsibilies~~. So today I=
've
successfully built and booted a 13.0-CURRENT tree from January 22, 2020 (git
commit 7ec5e1c4cd74b66192e5a34c082dc580e587f77b), which is the commit just
before what I suspect may be one of the breaking commits (git
4577cf3744b98d0fa7cea80c75079c3cf5155471, and this is the one that introduc=
es
hwpstate_intel.c and friends in the first place). After installing that
world/kernel, I've thoroughly abused the machine (compiling software,
installing stuff, graphics stuff, etc.) and I could not get it to crash yet=
. I
guess next I'll try installing the sys from all the possible breaking commi=
ts
I've identified (there's very few commits that touch hwpstate_intel in the
first place, so I'm in luck). All this will tell me is which commit broke
everything on Lenovo machines, so hopefully that can be used to narrow down=
 the
exact change that broke. After all this, I'd hope that the fixing patch wou=
ld
make it into 13.0-RELEASE...

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