From owner-freebsd-questions@FreeBSD.ORG Tue Jul 22 11:04:33 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5DFA41065679 for ; Tue, 22 Jul 2008 11:04:33 +0000 (UTC) (envelope-from achill@matrix.gatewaynet.com) Received: from smadev.internal.net (host3.dynacom.ondsl.gr [62.103.35.211]) by mx1.freebsd.org (Postfix) with ESMTP id BD9B68FC25 for ; Tue, 22 Jul 2008 11:04:32 +0000 (UTC) (envelope-from achill@matrix.gatewaynet.com) Received: from smadev.internal.net (localhost [127.0.0.1]) by smadev.internal.net (8.14.2/8.14.2) with ESMTP id m6MB4UAt043733; Tue, 22 Jul 2008 14:04:30 +0300 (EEST) (envelope-from achill@matrix.gatewaynet.com) Received: from localhost (localhost [[UNIX: localhost]]) by smadev.internal.net (8.14.2/8.14.2/Submit) id m6MB4TS2043732; Tue, 22 Jul 2008 14:04:29 +0300 (EEST) (envelope-from achill@matrix.gatewaynet.com) From: Achilleas Mantzios Organization: Dynacom Tankers Mgmt To: Manolis Kiagias Date: Tue, 22 Jul 2008 14:04:29 +0300 User-Agent: KMail/1.9.7 References: <48849FFD.10285.C71CED5@iwrtech.iwr.ru.ac.za> <200807220943.42926.achill@matrix.gatewaynet.com> <48858932.60206@gmail.com> In-Reply-To: <48858932.60206@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200807221404.29646.achill@matrix.gatewaynet.com> Cc: Tore Lund , freebsd-questions@freebsd.org Subject: Re: Monitoring CPU temperature: mbmon shows 201 degrees C X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jul 2008 11:04:33 -0000 =CE=A3=CF=84=CE=B9=CF=82 Tuesday 22 July 2008 10:16:02 =CE=BF/=CE=B7 Manoli= s Kiagias =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5: > Achilleas Mantzios wrote: > > =CE=A3=CF=84=CE=B9=CF=82 Tuesday 22 July 2008 00:25:46 =CE=BF/=CE=B7 To= re Lund =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5: > > =20 > >> Achilleas Mantzios wrote: > >> =20 > >>> ... > >>> Having said that, the issue with the temperature must not be my thing= :( > >>> after kldload coretemp, i get > >>> [achix@panix ~]% sysctl -a | grep tempera > >>> hw.acpi.thermal.tz0.temperature: 40,0C > >>> dev.cpu.0.temperature: -1 > >>> [achix@panix ~]%=20 > >>> The first always is stuck to 40 and dev.cpu.0.temperature to -1. > >>> =20 > >> Achillea, have you told us what CPU you have? Manolis presumes you ha= ve > >> an Intel, but I do not see this information anywhere in your posts. If > >> you have a recent AMD, try the port k8temp. > >> =20 > > > > Sorry, i have a=20 > > CPU: Intel(R) Pentium(R) 4 CPU 2.66GHz (2672.74-MHz 686-class CPU) > > Origin =3D "GenuineIntel" Id =3D 0xf29 Stepping =3D 9 > > Features=3D0xbfebfbff > > Features2=3D0x4400 > > So coretemp is not for me. > > =20 >=20 > Definitely. >=20 > > While experimenting, i noticed the 1st and 3rd temperatures from mbmon = to be updated in a fashion that seems > > natural.=20 > > [achix@panix ~]% mbmon > > Temp.=3D 41.0, 201.0, 42.0; Rot.=3D 3443, 0, 0 > > Vcore =3D 1.50, 1.81; Volt. =3D 3.30, 5.08, 11.43, -11.74, -1.69 > > =20 >=20 > What chipset is the mobo based on? mbmon runs fine on my 865G and a 3Ghz= =20 > P4 CPU. You are probably correct, the middle temp may represent a sensor= =20 > that is not recognized, but the other readings seem normal. >=20 i'll let you know next time i open the case. Is there any reading from dmes= g or sysctl that can reveal that info? > > I started to trust mbmon, and i think the 1st temp must be motherboard,= while the 3rd CPU, > > and indeed the first value varies betaeen 41-42 degrees, and the third = value from 39, (~ 100% idle) > > to 45 (0% idle). So i assume the above must be right. > > Yesterday i had mbmon -t > mbmon.out running all night and the highest = CPU temp was at 46 deg C, > > while highest MB temp was at 43 deg Celsius (if the previous assumption= s about the interpretation of the=20 > > output of mbmon are correct). > > Both high temps happened while running periodic daily at 03:00 (which i= ncreased my trust in those). > > All that, was after i blew the box/case inside and closed the case. > > If i trust those numbers and their interpretation then i must not have = a temperature problem (anymore). > > Lets see how the machine behaves. > > There is always the other usual suspect from the memory department :) > > > > =20 >=20 >=20 > For memory, I would suggest memtest86. For stressing the machine, try=20 > math/mprime in torture mode. Watch the temperatures and make sure you=20 > leave it running for a couple of hours and you don't get any errors.=20 > Usually, if you have a termperature problem it will bail out in half an=20 > hour or less. >=20 Memtest86 is good enough, i have used it on other machines. Thx for the mat= h/mprime hint. >=20 =2D-=20 Achilleas Mantzios