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Laptop Fan jumps to 2400+ and then back 0 and so on. [message #1441] Wed, 04 September 2013 18:27 Go to next message
pmux is currently offline  pmux
Messages: 20
Registered: September 2013
Junior Member
Hi,

Just finished installing Stella Linux on a Lenovo Thinkpad T430. It does not have Nvidia Graphics. Just the stock integrated Intel Graphics Card.

Its a great OS, but noticed an issue where the laptop Fan rotations spikes and then goes back to zero only to spike up back again, and it continues

[pmu@static-5 ~]$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +41.0°C  (crit = +200.0°C)                  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:       2437 RPM

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 0:        +41.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 1:        +41.0°C  (high = +87.0°C, crit = +105.0°C)  

[pmu@static-5 ~]$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +42.0°C  (crit = +200.0°C)                  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:       2364 RPM

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 0:        +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 1:        +40.0°C  (high = +87.0°C, crit = +105.0°C)  

[pmu@static-5 ~]$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +42.0°C  (crit = +200.0°C)                  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:       2253 RPM

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 0:        +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 1:        +40.0°C  (high = +87.0°C, crit = +105.0°C)  


After some time, the Fan rotations seem to go down.

[pmu@static-5 ~]$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +42.0°C  (crit = +200.0°C)                  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:       1781 RPM

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 0:        +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 1:        +42.0°C  (high = +87.0°C, crit = +105.0°C)  

[pmu@static-5 ~]$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +42.0°C  (crit = +200.0°C)                  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:          0 RPM

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 0:        +42.0°C  (high = +87.0°C, crit = +105.0°C)  
Core 1:        +41.0°C  (high = +87.0°C, crit = +105.0°C)  



But a few minutes later, it starts all over again.

Is this something that I should worry about?

Re: Laptop Fan jumps to 2400+ and then back 0 and so on. [message #1442 is a reply to message #1441] Thu, 05 September 2013 10:47 Go to previous messageGo to next message
nux is currently offline  nux
Messages: 1662
Registered: January 2012
Senior Member
Administrator

Hi,

Looks like you are using Nvidia Optimus technology, no? Sadly this makes life more complicated in Linux.
Can you disable any of the GPUs in BIOS?

There are drivers for your nvidia card in ElRepo project which is already included in Stella, try something like:
yum install nvidia-detect


and try to install the recommended package.

Also have a look at http://en.wikipedia.org/wiki/Nvidia_Optimus#Bumblebee

Bumblebee is also in the elrepo repo, just yum install it.

There is a large thinkpad community of linux users so I would rely on google a lot, I would also try to get help on the Elrepo mailing list, those guys are really smart and helpful.

There is a good chance the fan problem is related to this, so once you get the GPU situation sorted it's likely the fan issues will go away.
Re: Laptop Fan jumps to 2400+ and then back 0 and so on. [message #1443 is a reply to message #1441] Fri, 06 September 2013 09:52 Go to previous messageGo to next message
pmux is currently offline  pmux
Messages: 20
Registered: September 2013
Junior Member
Hi Nux,

Thank you for replying. My thinkpad does not have Nvidia Graphics card. Only Intel integrated graphics card.

As there is no nvidia graphics card, I dont think installing the packages will help.

I did search for some other reasons on google, but nothing yet. Sad
Re: Laptop Fan jumps to 2400+ and then back 0 and so on. [message #1444 is a reply to message #1441] Fri, 06 September 2013 23:48 Go to previous message
nux is currently offline  nux
Messages: 1662
Registered: January 2012
Senior Member
Administrator

Oh right, sorry about that, for some reason I got the impression you are using Optimus.

Have you been on this page yet, any luck getting it sorted?
http://www.thinkwiki.org/wiki/How_to_control_fan_speed
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