From owner-freebsd-stable@freebsd.org  Mon Jul 31 07:28:36 2017
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From: Daniel Braniss <danny@cs.huji.ac.il>
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Subject: issues with powerd/freq_levels
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Date: Mon, 31 Jul 2017 10:09:11 +0300
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I am trying out PCengines latest apu2 boards, and I just noticed that =
with different Freebsd versions I get
different freq_levels, and so when idling, each box (have 5) has a =
different	freq/temperature value, ranging
from 125/69.1C, 600/59.0C to 75/56.0C

FreeBSD apu-4 11.1-STABLE FreeBSD 11.1-STABLE #5 f565b5a06ab3 (11) tip: =
Mon Jul 31 09:36:33 IDT 2017
apu-4# sysctl dev.cpu.0.freq_levels
dev.cpu.0.freq_levels: 1000/980 800/807 600/609

FreeBSD apu-5 11.1-PRERELEASE FreeBSD 11.1-PRERELEASE #0 21e9d1ca9b80 =
(11) tip: Tue May 30 11:51:48 IDT 2017
apu-5# sysctl dev.cpu.0.freq_levels
dev.cpu.0.freq_levels: 1000/966 875/845 800/795 700/695 600/600 525/525 =
450/450 375/375 300/300 225/225 150/150 75/75


FreeBSD apu-1 10.3-STABLE FreeBSD 10.3-STABLE #4 267788fd852c (10) tip: =
Tue Jan 10 09:09:00 IST 2017
apu-1# sysctl dev.cpu.0.freq_levels
dev.cpu.0.freq_levels: 1000/-1 875/-1 750/-1 625/-1 500/-1 375/-1 250/-1 =
125/-1

so, any ideas as to what is going on?

thanks,
	danny