Fan not working properly on Dell Inspiron N5010
M Stefan, 18.08.2011:
> I own a Dell Inspiron N5010 with a Core i5 M450 (2.4GHz) CPU
> and my cooler does not appear to work properly on Debian 6.0.1
> I have built the latest version of lm-sensors (as opposed to getting the old
> packaged one
> via apt-get, which didn't find any sensors), and `sensors-detect' finds a
> single sensor,
> "Intel digital thermal sensor" (driver coretemp), as well as some other
> unknown chip.
> Although the `sensors' command is capable of measuring my CPU temperature, I
> seem to be able to load the coretemp module into the kernel. coretemp is
> located at
> /lib/modules/2.6.32-5-amd64/**kernel/drivers/hwmon/coretemp.**ko, yet
> modprobe coretemp
> FATAL: Error inserting coretemp (/lib/modules/2.6.32-5-amd64/**
> kernel/drivers/hwmon/coretemp.**ko): No such device
> I have tried compiling a newer version of coretemp without much success (I
> assume I
> need to rebuild some other stuff too, I tried the coretemp from linux3.0's
> git repo).
> I'm not sure why my cooler does not seem to properly work on Debian, so I
> that maybe loading the coretemp module would help with my problem. I'm
> running an actual fan behind my laptop so it doesn't shut down (temperature
> is usually
> at 80C, but after a while it gets to 102C, at which point the kernel
> announces that it
> has reached the critical value in /proc/acpi/thermal_zone/THM/**trip_points
> and shuts down to
> prevent damage).
> This is most surely not a hardware issue, as I'm normally using Windows 7
> and I have
> no heating issues there. This is a nearly fresh installation of Debian, and
> `top' shows
> a low CPU usage, so this is not caused by doing some really cpu-intensive
> tasks either.
> I'm not sure exactly what additional information should I provide to
> properly diagnose
> this problem, so please let me know if there's anything else you need to
> Any help is appreciated.
> Yours faithfully,
> Stefan M
You might need a newer kernel. At http://www.lm-sensors.org/wiki/Devices
it says "support for Clarkdale and later cores was added in kernel 2.6.35,"
which your i5 M450 seems to be, according to
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