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Re: Debian Jessie / DELL / CPU Fan Speed


Disabling i8k module might be the way to go. When I removed the i8k module the fan went silent. I first waited for the fan to go crazy and then I removed the module with rmmod. Now I cannot track the speed of the fan and some programs fail to report cpu temperature. But `sensors` seems to work (without fan speed). Also I think that the laptop is safe too, I see that the fan is still blowing air when it needs to.I'll investigate this further.


On Tue, Sep 8, 2015 at 10:00 PM, Dan <ganchya@gmail.com> wrote:
On Tue, Sep 8, 2015 at 8:17 PM, / vt <inspell.87@gmail.com> wrote:
> Hello everyone,
> I am just joining and ... I need some help ; )
> I am running on a DELL laptop (E6420). I moved to Debian Jessie recently
> (from Wheezy) and now I am struggling with very annoying problem. The
> problem is that my cpu fan is out of control. It starts and stops in a loop
> (increases speed, then decreases speed, then increases again in short
> amounts of time). At some point it becomes quiet but after some time it
> starts again. I've installed i8kutils and acpitool but this still continues

Maybe the i8k module is not compatible with your laptop. Did you try
to make sure that the i8k is not loaded?
Check that the i8k is not loaded with lsmod. In Wheezy I think that
the pre-loaded modules are found in /etc/modules.
Probably with Jessie you will have to deactivate the service that
loads i8k using systemctl, but I do not know how to do that.


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