From: Guenter Roeck <linux@roeck-us.net>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] Measured Fan RPM Jumps Frequently to 675000 RPM
Date: Wed, 18 Sep 2013 11:28:22 +0000 [thread overview]
Message-ID: <20130918112822.GA9447@roeck-us.net> (raw)
In-Reply-To: <20130918105137.Horde.pcSHtQSX3xoA3EHBStt0YQ1@webmail.df.eu>
On Wed, Sep 18, 2013 at 10:51:37AM +0200, Sascha Haupt wrote:
>
> Dear @ll,
>
> I am monitoring multiple systems (with Asus M5A78LE mainboards)
> using sensors and Munin.
>
> On one node I often get a value of 675000 RPM for the FAN2 speed.
> Usually, the value of FAN2 is approx 1950 RPM.
>
> The jump can frequently be seen if sensors is executed manually in a
> fast sequence:
>
The driver only reports what it gets from the system through ACPI.
I don't think there is anything we can do about it.
Luca, any idea ?
Guenter
>
> host:~ # sensors
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1: +0.0°C (high = +70.0°C, crit = +90.0°C)
>
> atk0110-acpi-0
> Adapter: ACPI interface
> Vcore Voltage: +1.42 V (min = +0.85 V, max = +1.70 V)
> +3.3 Voltage: +3.40 V (min = +2.97 V, max = +3.63 V)
> +5 Voltage: +5.08 V (min = +4.50 V, max = +5.50 V)
> +12 Voltage: +12.40 V (min = +10.20 V, max = +13.80 V)
> CPU FAN Speed: 3813 RPM (min = 600 RPM)
> CHASSIS FAN Speed: 1406 RPM (min = 600 RPM)
> CHASSIS FAN 2 Speed:675000 RPM (min = 600 RPM)
> CPU Temperature: +43.0°C (high = +60.0°C, crit = +95.0°C)
> MB Temperature: +38.0°C (high = +45.0°C, crit = +75.0°C)
>
> host:~ # sensors
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1: +0.0°C (high = +70.0°C, crit = +90.0°C)
>
> atk0110-acpi-0
> Adapter: ACPI interface
> Vcore Voltage: +1.42 V (min = +0.85 V, max = +1.70 V)
> +3.3 Voltage: +3.40 V (min = +2.97 V, max = +3.63 V)
> +5 Voltage: +5.08 V (min = +4.50 V, max = +5.50 V)
> +12 Voltage: +12.40 V (min = +10.20 V, max = +13.80 V)
> CPU FAN Speed: 3813 RPM (min = 600 RPM)
> CHASSIS FAN Speed: 1406 RPM (min = 600 RPM)
> CHASSIS FAN 2 Speed:675000 RPM (min = 600 RPM)
> CPU Temperature: +43.0°C (high = +60.0°C, crit = +95.0°C)
> MB Temperature: +38.0°C (high = +45.0°C, crit = +75.0°C)
>
> host:~ # sensors
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1: +0.0°C (high = +70.0°C, crit = +90.0°C)
>
> atk0110-acpi-0
> Adapter: ACPI interface
> Vcore Voltage: +1.42 V (min = +0.85 V, max = +1.70 V)
> +3.3 Voltage: +3.40 V (min = +2.97 V, max = +3.63 V)
> +5 Voltage: +5.08 V (min = +4.50 V, max = +5.50 V)
> +12 Voltage: +12.42 V (min = +10.20 V, max = +13.80 V)
> CPU FAN Speed: 3813 RPM (min = 600 RPM)
> CHASSIS FAN Speed: 1409 RPM (min = 600 RPM)
> CHASSIS FAN 2 Speed:1950 RPM (min = 600 RPM)
> CPU Temperature: +43.0°C (high = +60.0°C, crit = +95.0°C)
> MB Temperature: +38.0°C (high = +45.0°C, crit = +75.0°C)
>
> host:~ # sensors
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1: +0.0°C (high = +70.0°C, crit = +90.0°C)
>
> atk0110-acpi-0
> Adapter: ACPI interface
> Vcore Voltage: +1.42 V (min = +0.85 V, max = +1.70 V)
> +3.3 Voltage: +3.40 V (min = +2.97 V, max = +3.63 V)
> +5 Voltage: +5.08 V (min = +4.50 V, max = +5.50 V)
> +12 Voltage: +12.42 V (min = +10.20 V, max = +13.80 V)
> CPU FAN Speed: 3813 RPM (min = 600 RPM)
> CHASSIS FAN Speed: 1409 RPM (min = 600 RPM)
> CHASSIS FAN 2 Speed:1950 RPM (min = 600 RPM)
> CPU Temperature: +43.0°C (high = +60.0°C, crit = +95.0°C)
> MB Temperature: +38.0°C (high = +45.0°C, crit = +75.0°C)
>
> host:~ # sensors
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1: +0.0°C (high = +70.0°C, crit = +90.0°C)
>
> atk0110-acpi-0
> Adapter: ACPI interface
> Vcore Voltage: +1.42 V (min = +0.85 V, max = +1.70 V)
> +3.3 Voltage: +3.40 V (min = +2.97 V, max = +3.63 V)
> +5 Voltage: +5.08 V (min = +4.50 V, max = +5.50 V)
> +12 Voltage: +12.42 V (min = +10.20 V, max = +13.80 V)
> CPU FAN Speed: 3813 RPM (min = 600 RPM)
> CHASSIS FAN Speed: 1409 RPM (min = 600 RPM)
> CHASSIS FAN 2 Speed:1950 RPM (min = 600 RPM)
> CPU Temperature: +43.0°C (high = +60.0°C, crit = +95.0°C)
> MB Temperature: +38.0°C (high = +45.0°C, crit = +75.0°C)
>
>
> This just happens on one node. On the other nodes the measured
> values seem to be stable.
>
> Thanks for your help.
>
> Regards
> Sascha Haupt
>
>
>
>
> _______________________________________________
> lm-sensors mailing list
> lm-sensors@lm-sensors.org
> http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
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next prev parent reply other threads:[~2013-09-18 11:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-18 8:51 [lm-sensors] Measured Fan RPM Jumps Frequently to 675000 RPM Sascha Haupt
2013-09-18 11:28 ` Guenter Roeck [this message]
2013-09-20 7:20 ` Sascha Haupt
2013-09-20 9:46 ` Luca Tettamanti
2013-09-20 17:40 ` Sascha Haupt
2013-09-20 23:13 ` Ian Pilcher
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