Re: 3.13.?: Strange / dangerous fan policy...

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On Fri, Mar 07, 2014 at 08:33:02PM +0100, Manuel Krause wrote:
> Please have a short look at the following BUG report + the comments
> -- this message here is a kind of FWD-ing it:
> https://bugs.archlinux.org/task/39005
> 
> I came late to test kernel 3.13 with the .5 one, as it was the time
> that the related -CK/BFS patch became available.
> 
> I'm not using Archlinux, but openSUSE, and my problems are quite the
> same. Especially these with smelling melting plastics.
> 
> My own reports went to Con Kolivas' Blog first:
> "I get weird temperatures and abrupt 100% fan actions with vanilla
> 3.13.5 with this CK and most recent BFQ at my HP Notebook.
> In gkrellm the highest T had been @74°C, so far (3.12.13), and is
> now growing to 94°C. Then, the fan goes to 100% for 10~30secs
> cooling it to approx. 82°C.
> That is not good, if I compare 74 to 94 °C.
> Have I missed a .CONFIG option for 3.13, especially?"
> 
> I'd get the same without (Con's && BFQ's) patches.
> 
> Machine:           HP Notebook with Core2Duo CPU (Penryn)
> Distro:            openSUSE 13.1, 64bit, continuously updated
> Desktop:           KDE 4.12.3
> MESA & drm & Xorg: most recent ones from:
> http://download.opensuse.org/repositories/home:/pontostroy:/X11/openSUSE_13.1/x86_64/
> 
> Current kernel:    3.13.6 vanilla from openSUSE repos, with
>                    -ck1 and BFQ patches
> Same behaviour:    without these patches
> 
> Last good kernel:  3.12.13 vanilla + CK2 + BFQ
> 

Can you add more information about your fan control policy ?
Do you rely on the hardware for automatic fan speed control,
or do you run the fancontrol script ?

What is the output from the 'sensors' command ?

Thanks,
Guenter

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