[ltp] the fan of ThinkPad X1 Carbon 4th starts quite often lately
oub.oub.oub at gmail.com
Wed Apr 15 22:11:17 CEST 2020
>>> "DB" == Diego Borghetti <bdiego at pm.me> writes:
> Fan running because of temperature is not always something bad.
> What you need to check is if it's running at the right time.
> I have a T470 here and I was having a problem with the fan running
> as soon my temperature hit 60C, which is wrong. The main problem
> was not the fan. I notice the fan because my CPU was getting throttling
> by the kernel, which result in very poor performance.
That is interesting, sensors tells me 56 C, fan is up, and
top tells me that chrome and seamonkey eat up 70% CPU which does not
make much sense.
Kill seamonkey made the fan stop.
> After researching a little I found this post here:
> Also here:
> Not sure if you are having the same problem, but just give it a read
> and then do some research in the laptop.
> In my case, the problem was the TCC activation offset.
> The best way to test is to run something CPU intensive and use
> something like s-tui to monitor what is going on with the laptop.
> You can check s-tui at: https://github.com/amanusk/s-tui
> It show you pretty much everything: MHz, Temp, Watts, Fan RPM.
> Another good idea is to look at the output of dmesg to check
> for any error from the kernel.
Thanks for all this valueable information. I will try!
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