From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Date: Wed, 18 Sep 2013 11:28:22 +0000 Subject: Re: [lm-sensors] Measured Fan RPM Jumps Frequently to 675000 RPM Message-Id: <20130918112822.GA9447@roeck-us.net> List-Id: References: <20130918105137.Horde.pcSHtQSX3xoA3EHBStt0YQ1@webmail.df.eu> In-Reply-To: <20130918105137.Horde.pcSHtQSX3xoA3EHBStt0YQ1@webmail.df.eu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lm-sensors@vger.kernel.org On Wed, Sep 18, 2013 at 10:51:37AM +0200, Sascha Haupt wrote: >=20 > Dear @ll, >=20 > I am monitoring multiple systems (with Asus M5A78LE mainboards) > using sensors and Munin. >=20 > On one node I often get a value of 675000 RPM for the FAN2 speed. > Usually, the value of FAN2 is approx 1950 RPM. >=20 > The jump can frequently be seen if sensors is executed manually in a > fast sequence: >=20 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 >=20 > host:~ # sensors > k10temp-pci-00c3 > Adapter: PCI adapter > temp1: +0.0=B0C (high =3D +70.0=B0C, crit =3D +90.0=B0C) >=20 > atk0110-acpi-0 > Adapter: ACPI interface > Vcore Voltage: +1.42 V (min =3D +0.85 V, max =3D +1.70 V) > +3.3 Voltage: +3.40 V (min =3D +2.97 V, max =3D +3.63 V) > +5 Voltage: +5.08 V (min =3D +4.50 V, max =3D +5.50 V) > +12 Voltage: +12.40 V (min =3D +10.20 V, max =3D +13.80 V) > CPU FAN Speed: 3813 RPM (min =3D 600 RPM) > CHASSIS FAN Speed: 1406 RPM (min =3D 600 RPM) > CHASSIS FAN 2 Speed:675000 RPM (min =3D 600 RPM) > CPU Temperature: +43.0=B0C (high =3D +60.0=B0C, crit =3D +95.0=B0C) > MB Temperature: +38.0=B0C (high =3D +45.0=B0C, crit =3D +75.0=B0C) >=20 > host:~ # sensors > k10temp-pci-00c3 > Adapter: PCI adapter > temp1: +0.0=B0C (high =3D +70.0=B0C, crit =3D +90.0=B0C) >=20 > atk0110-acpi-0 > Adapter: ACPI interface > Vcore Voltage: +1.42 V (min =3D +0.85 V, max =3D +1.70 V) > +3.3 Voltage: +3.40 V (min =3D +2.97 V, max =3D +3.63 V) > +5 Voltage: +5.08 V (min =3D +4.50 V, max =3D +5.50 V) > +12 Voltage: +12.40 V (min =3D +10.20 V, max =3D +13.80 V) > CPU FAN Speed: 3813 RPM (min =3D 600 RPM) > CHASSIS FAN Speed: 1406 RPM (min =3D 600 RPM) > CHASSIS FAN 2 Speed:675000 RPM (min =3D 600 RPM) > CPU Temperature: +43.0=B0C (high =3D +60.0=B0C, crit =3D +95.0=B0C) > MB Temperature: +38.0=B0C (high =3D +45.0=B0C, crit =3D +75.0=B0C) >=20 > host:~ # sensors > k10temp-pci-00c3 > Adapter: PCI adapter > temp1: +0.0=B0C (high =3D +70.0=B0C, crit =3D +90.0=B0C) >=20 > atk0110-acpi-0 > Adapter: ACPI interface > Vcore Voltage: +1.42 V (min =3D +0.85 V, max =3D +1.70 V) > +3.3 Voltage: +3.40 V (min =3D +2.97 V, max =3D +3.63 V) > +5 Voltage: +5.08 V (min =3D +4.50 V, max =3D +5.50 V) > +12 Voltage: +12.42 V (min =3D +10.20 V, max =3D +13.80 V) > CPU FAN Speed: 3813 RPM (min =3D 600 RPM) > CHASSIS FAN Speed: 1409 RPM (min =3D 600 RPM) > CHASSIS FAN 2 Speed:1950 RPM (min =3D 600 RPM) > CPU Temperature: +43.0=B0C (high =3D +60.0=B0C, crit =3D +95.0=B0C) > MB Temperature: +38.0=B0C (high =3D +45.0=B0C, crit =3D +75.0=B0C) >=20 > host:~ # sensors > k10temp-pci-00c3 > Adapter: PCI adapter > temp1: +0.0=B0C (high =3D +70.0=B0C, crit =3D +90.0=B0C) >=20 > atk0110-acpi-0 > Adapter: ACPI interface > Vcore Voltage: +1.42 V (min =3D +0.85 V, max =3D +1.70 V) > +3.3 Voltage: +3.40 V (min =3D +2.97 V, max =3D +3.63 V) > +5 Voltage: +5.08 V (min =3D +4.50 V, max =3D +5.50 V) > +12 Voltage: +12.42 V (min =3D +10.20 V, max =3D +13.80 V) > CPU FAN Speed: 3813 RPM (min =3D 600 RPM) > CHASSIS FAN Speed: 1409 RPM (min =3D 600 RPM) > CHASSIS FAN 2 Speed:1950 RPM (min =3D 600 RPM) > CPU Temperature: +43.0=B0C (high =3D +60.0=B0C, crit =3D +95.0=B0C) > MB Temperature: +38.0=B0C (high =3D +45.0=B0C, crit =3D +75.0=B0C) >=20 > host:~ # sensors > k10temp-pci-00c3 > Adapter: PCI adapter > temp1: +0.0=B0C (high =3D +70.0=B0C, crit =3D +90.0=B0C) >=20 > atk0110-acpi-0 > Adapter: ACPI interface > Vcore Voltage: +1.42 V (min =3D +0.85 V, max =3D +1.70 V) > +3.3 Voltage: +3.40 V (min =3D +2.97 V, max =3D +3.63 V) > +5 Voltage: +5.08 V (min =3D +4.50 V, max =3D +5.50 V) > +12 Voltage: +12.42 V (min =3D +10.20 V, max =3D +13.80 V) > CPU FAN Speed: 3813 RPM (min =3D 600 RPM) > CHASSIS FAN Speed: 1409 RPM (min =3D 600 RPM) > CHASSIS FAN 2 Speed:1950 RPM (min =3D 600 RPM) > CPU Temperature: +43.0=B0C (high =3D +60.0=B0C, crit =3D +95.0=B0C) > MB Temperature: +38.0=B0C (high =3D +45.0=B0C, crit =3D +75.0=B0C) >=20 >=20 > This just happens on one node. On the other nodes the measured > values seem to be stable. >=20 > Thanks for your help. >=20 > Regards > Sascha Haupt >=20 >=20 >=20 >=20 > _______________________________________________ > lm-sensors mailing list > lm-sensors@lm-sensors.org > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors