From owner-freebsd-current@freebsd.org Thu Feb 13 15:13:19 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CC8661C977D for ; Thu, 13 Feb 2020 15:13:19 +0000 (UTC) (envelope-from bsd-lists@BSDforge.com) Received: from udns.ultimatedns.net (static-24-113-41-81.wavecable.com [24.113.41.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "ultimatedns.net", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48JKlL6wdyz44lP for ; Thu, 13 Feb 2020 15:13:18 +0000 (UTC) (envelope-from bsd-lists@BSDforge.com) Received: from udns.ultimatedns.net (localhost [IPv6:0:0:0:0:0:0:0:1]) by udns.ultimatedns.net (8.15.2/8.15.2) with ESMTPS id 01DFDDlt068541 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Thu, 13 Feb 2020 07:13:20 -0800 (PST) (envelope-from bsd-lists@BSDforge.com) X-Mailer: Cypht MIME-Version: 1.0 Cc: freebsd-current , mike tancsa In-Reply-To: <20200213072212.GB79914@server.rulingia.com> From: Chris Reply-To: bsd-lists@BSDforge.com To: Peter Jeremy Subject: Re: Which AMD CPUs are supported -- temperature Date: Thu, 13 Feb 2020 07:13:19 -0800 Message-Id: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 48JKlL6wdyz44lP X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of bsd-lists@BSDforge.com has no SPF policy when checking 24.113.41.81) smtp.mailfrom=bsd-lists@BSDforge.com X-Spamd-Result: default: False [-1.40 / 15.00]; ARC_NA(0.00)[]; HAS_REPLYTO(0.00)[bsd-lists@BSDforge.com]; XM_UA_NO_VERSION(0.01)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_MEDIUM(-0.97)[-0.965,0]; IP_SCORE(-0.36)[ip: (-0.69), ipnet: 24.113.0.0/16(-0.34), asn: 11404(-0.72), country: US(-0.05)]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[BSDforge.com]; REPLYTO_ADDR_EQ_FROM(0.00)[]; AUTH_NA(1.00)[]; NEURAL_HAM_LONG(-0.98)[-0.985,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:11404, ipnet:24.113.0.0/16, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Feb 2020 15:13:19 -0000 On Thu, 13 Feb 2020 18:22:12 +1100 Peter Jeremy peter@rulingia=2Ecom said > On 2020-Feb-12 15:23:51 -0500, mike tancsa wrote: > >Not sure about the older Athlon CPUs, but the 2 generations of Ryzen's I > >have seem correct as well as an APU > > > >CPU: AMD GX-412TC > >SOC=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 (998=2E17-MHz > >K8-class CPU) >=20 > OTOH, I'm not confident about temperatures on my APU=2E The publicly > available data just says that the SoC reports "a temperature on its own > scale" relative to a Tctl_max which "is specified in the power and therma= l > data sheet" (that I have been unable to locate)=2E Everyone seems to assum= e > that the step size is 0=2E125K but I haven't found that publicly documented > anywhere=2E The AMD Product Brief states that the maximum temperature is > 90=C2=B0C but using that as Tctl_max gives me temperature readings that d= on't > look right=2E >=20 > >And on a fanless APU > > > ># sysctl -a dev=2Ecpu=2E0=2Etemperature > >dev=2Ecpu=2E0=2Etemperature: 62=2E6C > > > ># sysctl -a dev=2Eamdtemp=2E0=2Ecore0=2Esensor0 > >dev=2Eamdtemp=2E0=2Ecore0=2Esensor0: 63=2E1C >=20 > At what ambient temperature? I see a similar value from my (idle) APU3 > but don't believe the (implied) ~35K junction-to-ambient difference=2E I've read that (most?) of the Intel CPUs (everything since "core" versions) has a copy of MINIXv3 on them @ ring -3=2E Does/could the AMD System Manageme= nt Network provide any *additional* clues? And *why* won't AMD provide more *definitive* specs? Hoping consumers "cook= " their (A|C)PUs and ultimately buy more of their product? --Chris >=20 > --=20 > Peter Jeremy