How to read lm-sensors correctly?

okabekudo · Mar 15, 2016

I had a good lm-sensors setup before but I was forced to reinstall my system, so I completely forgot how to read my temps. Things I want to know are:
What is my socket temp? What's my core temp? I have an AMD FX6300 on a ASUS M5A99FX Pro R2.0. I found this but I still don't really get it there seems to be two cpu temps one is relative? But which should I look at while stresstesting?
Here's my sensors output:

Code:

 k10temp-pci-00c3
Adapter: PCI adapter
temp1:        +29.5°C  (high = +70.0°C)
                       (crit = +90.0°C, hyst = +87.0°C)

fam15h_power-pci-00c4
Adapter: PCI adapter
power1:       13.04 W  (crit =  94.99 W)

asus-isa-0000
Adapter: ISA adapter
cpu_fan:        0 RPM

radeon-pci-0100
Adapter: PCI adapter
temp1:        +49.0°C  (crit = +120.0°C, hyst = +90.0°C)

it8721-isa-0290
Adapter: ISA adapter
in0:          +2.77 V  (min =  +2.60 V, max =  +0.19 V)  ALARM
in1:          +2.78 V  (min =  +1.76 V, max =  +3.02 V)
in2:          +1.36 V  (min =  +0.01 V, max =  +0.48 V)  ALARM
+3.3V:        +3.19 V  (min =  +3.46 V, max =  +6.07 V)  ALARM
in4:          +1.73 V  (min =  +0.20 V, max =  +0.70 V)  ALARM
in5:          +2.50 V  (min =  +2.33 V, max =  +1.34 V)  ALARM
in6:          +0.77 V  (min =  +0.08 V, max =  +0.30 V)  ALARM
3VSB:         +4.61 V  (min =  +0.38 V, max =  +3.70 V)  ALARM
Vbat:         +3.26 V  
fan1:        1333 RPM  (min =   39 RPM)
fan2:        675000 RPM  (min =  131 RPM)
fan3:           0 RPM  (min =   12 RPM)  ALARM
temp1:        +43.0°C  (low  = +103.0°C, high =  +6.0°C)  ALARM  sensor = thermistor
temp2:        +35.0°C  (low  = -79.0°C, high = -42.0°C)  ALARM  sensor = thermistor
temp3:       -128.0°C  (low  = -85.0°C, high = -75.0°C)  sensor = disabled
intrusion0:  OK

knoober · Mar 15, 2016

Code:

asus-isa-0000
Adapter: ISA adapter
cpu_fan:        0 RPM

Your core temps are not showing I think. they should be listed in^ this^ part of the output. Did you run

Code:

 sensors-detect

?

I found a man page that will show where some of the stuff should be @ https://wiki.archlinux.org/index.php/Lm_sensors . Arch is considered to be an advanced user Distro (from what I have gathered anyway) but the info should be the same or similar in different distros.

If you want a graphical way to look at the same info:

Code:

sudo apt-get install xsensors

I am not sure if there was additional configuration or if I just had to install xsensors though.

okabekudo · Mar 15, 2016

knoober said:
Code:

asus-isa-0000 Adapter: ISA adapter cpu_fan: 0 RPM

Your core temps are not showing I think. they should be listed in^ this^ part of the output. Did you run

Code:

sensors-detect

?

I found a man page that will show where some of the stuff should be @ https://wiki.archlinux.org/index.php/Lm_sensors . Arch is considered to be an advanced user Distro (from what I have gathered anyway) but the info should be the same or similar in different distros.

If you want a graphical way to look at the same info:

Code:

sudo apt-get install xsensors

I am not sure if there was additional configuration or if I just had to install xsensors though.

Hi thanks for your reply. I'm actually using ArchLinux as my primary OS for about three years now so I also use the wiki and read this entry. Couldn't help me though.
Yes I ran

Code:

sensors-detect

, actually multiple times.

I already have a gui for lm-sensors called psensors but it doesn't show me much more either because all gui's just use the lm-sensors config! So how do you read your temps? Which temp is what? Is temp2 in my config the socket temp that shouldn't go over 70 degrees C?

knoober · Mar 15, 2016

if you ran

Code:

sensors-detect

then I do not think all of your information is being read.

http://www.linuxquestions.org/questions/showthread.php?p=4377797#post4377797
http://blog.felipe.lessa.nom.br/?p=93

both of these pages show additional "temp" entries after the voltage readings. I still dont know which is which though, so I do not know the answer to your question

edit: I dont know why that pic is in this post but dont know how to delete it. I had a portion of my reply that needed it, but went a different direction. the pic is unimportant to what I have said. Sorry for the cunfusion

okabekudo · Mar 15, 2016

Got it solved finally thanks for your reply!

DNRDustin · Mar 16, 2016

FWIW
K10 is core
Temp1 is socket
Temp2 is board
in2 is cpuVcore

"watch sensors" while stress testing w/wprime to confirm.

knoober · Mar 16, 2016

Oh sheesh... I didn't see the scroll bar on the code box. That makes my reply completely irrelevant. I still didn't know the answer though. Glad you got it figured out

How to read lm-sensors correctly?

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