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Date:      Sun, 28 Aug 2022 18:51:19 +0000
From:      bugzilla-noreply@freebsd.org
To:        acpi@FreeBSD.org
Subject:   [Bug 264775] [PATCH] acpi_thermal: passive cooling only throttles cpu0
Message-ID:  <bug-264775-16045-puO1o4wqJ9@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-264775-16045@https.bugs.freebsd.org/bugzilla/>
References:  <bug-264775-16045@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264775

--- Comment #6 from rkoberman@gmail.com ---
(In reply to crahman from comment #4)
You are correct in that I see little change to my problem with this patch. =
I've
now been running it for about 3 weeks.

One thing that really surprised me was that the weird case where I see cpu0=
 at
2101 and all others at a reduced speed, usually 400, the lowest speed, but
occasionally at a speed between 2100 and 400 still occurs. I didn't think t=
hat
this should be possible! Obviously having a CPU showing different speeds for
the two threads is not possible. I suspect that this is related to the issu=
e I
am having.

I can say that the sysctl lies. I can see all eight "CPUs" reporting 2101 a=
nd a
compile of audio/taglib taking over 2 minutes to build while, when really
running at 2101, it takes 15 seconds. Clearly something is broken, but this=
 is
not it.

This may be going away as I am about to install CURRENT on my new laptop. (=
Just
partitioned the SSD.) Hopefully, it will be better behaved, but I am concer=
ned
as it has cores running at different speeds and different numbers of
hyper-threads, (AlderLake) and FreeBSD will not really know how to deal with
this.

--=20
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You are the assignee for the bug.=



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