From: Guenter Roeck <guenter.roeck@ericsson.com>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] How to distinguish sensors on Xeon multi-socket
Date: Wed, 02 Feb 2011 01:23:04 +0000 [thread overview]
Message-ID: <20110202012304.GC10366@ericsson.com> (raw)
In-Reply-To: <201102012323.13215.4ernov@gmail.com>
On Tue, Feb 01, 2011 at 03:23:13PM -0500, Alexey Chernov wrote:
> Hello,
>
> 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
> of the box, but the problem is that after certain Linux kernel upgrade (I
> 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
> it drives mad many applications which use lm_sensors. Here's the output of
> 'sensors' command:
> sensors
> radeon-pci-0700
> Adapter: PCI adapter
> temp1: +77.0°C
>
> coretemp-isa-0000
> Adapter: ISA adapter
> Core 0: +70.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0001
> Adapter: ISA adapter
> Core 2: +63.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0002
> Adapter: ISA adapter
> Core 0: +69.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0003
> Adapter: ISA adapter
> Core 2: +69.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0004
> Adapter: ISA adapter
> Core 1: +68.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0005
> Adapter: ISA adapter
> Core 3: +65.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0006
> Adapter: ISA adapter
> Core 1: +68.0°C (high = +86.0°C, crit = +100.0°C)
>
> coretemp-isa-0007
> Adapter: ISA adapter
> Core 3: +67.0°C (high = +86.0°C, crit = +100.0°C)
>
> 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
> distinguish the certain cores of the processors. Could you please give me a
> reference how can I tell, for instance one 'Core 0' from another? The ideal
> case is if they can be addressed as 'Processor 1/Core 0' but I can't find the
> right way.
>
No idea.
I added the driver maintainer to this e-mail; maybe your problem helps to explain
why Jean and I believe that the driver should instantiate itself per CPU, not per core.
Guenter
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next prev parent reply other threads:[~2011-02-02 1:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 20:23 [lm-sensors] How to distinguish sensors on Xeon multi-socket system Alexey Chernov
2011-02-02 1:23 ` Guenter Roeck [this message]
2011-02-02 7:31 ` [lm-sensors] How to distinguish sensors on Xeon multi-socket 4ernov
2011-02-02 7:36 ` 4ernov
2011-02-02 7:47 ` Jean Delvare
2011-02-02 7:56 ` Jean Delvare
2011-02-02 9:15 ` 4ernov
2011-02-02 9:34 ` 4ernov
2011-02-02 11:08 ` Jean Delvare
2011-02-02 11:33 ` 4ernov
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