From mboxrd@z Thu Jan  1 00:00:00 1970
From: Guenter Roeck <guenter.roeck@ericsson.com>
Date: Wed, 02 Feb 2011 01:23:04 +0000
Subject: Re: [lm-sensors] How to distinguish sensors on Xeon multi-socket
Message-Id: <20110202012304.GC10366@ericsson.com>
List-Id: <lm-sensors.vger.kernel.org>
References: <201102012323.13215.4ernov@gmail.com>
In-Reply-To: <201102012323.13215.4ernov@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
To: lm-sensors@vger.kernel.org

On Tue, Feb 01, 2011 at 03:23:13PM -0500, Alexey Chernov wrote:
> Hello,
>=20
> I have two socket motherboard with two Xeon's 5345 installed on them, so =

> overall it's 8 cores. Using lm_sensors all of them are detected correctly=
 out=20
> of the box, but the problem is that after certain Linux kernel upgrade (I=
=20
> believe it's somewhere around 2.6.32) matching kernel on both processors =

> started to be called identically. I have two 'Core 0', two 'Core 1' etc. =
and=20
> it drives mad many applications which use lm_sensors. Here's the output o=
f=20
> 'sensors' command:
> sensors
> radeon-pci-0700
> Adapter: PCI adapter
> temp1:       +77.0=B0C                             =20
>=20
> coretemp-isa-0000
> Adapter: ISA adapter
> Core 0:      +70.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0001
> Adapter: ISA adapter
> Core 2:      +63.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0002
> Adapter: ISA adapter
> Core 0:      +69.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0003
> Adapter: ISA adapter
> Core 2:      +69.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0004
> Adapter: ISA adapter
> Core 1:      +68.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0005
> Adapter: ISA adapter
> Core 3:      +65.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0006
> Adapter: ISA adapter
> Core 1:      +68.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C) =20
>=20
> coretemp-isa-0007
> Adapter: ISA adapter
> Core 3:      +67.0=B0C  (high =3D +86.0=B0C, crit =3D +100.0=B0C)
>=20
> I try to fix the KDE sensors applet as it shows only 4 cores and ignores =

> remaining ones due to name collision. But I really don't know how to=20
> distinguish the certain cores of the processors. Could you please give me=
 a=20
> reference how can I tell, for instance one 'Core 0' from another? The ide=
al=20
> case is if they can be addressed as 'Processor 1/Core 0' but I can't find=
 the=20
> right way.
>=20
No idea.

I added the driver maintainer to this e-mail; maybe your problem helps to e=
xplain=20
why Jean and I believe that the driver should instantiate itself per CPU, n=
ot per core.

Guenter


_______________________________________________
lm-sensors mailing list
lm-sensors@lm-sensors.org
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors