what populates /proc/acpi/fan?
On a Dell Precision T7400 machine running Debian Lenny (stable) with
2.6.26-2-amd64 kernel, I find that /proc/acpi/fan directory is empty.
Is there any package to install, module to load to populate this
directory?
The actual problem is like this:
Initially when the machine is rebooted it is very quiet.
Then if I run a large simulation (with heavy CPU laod) for a day or
so, the fan starts revving up to cool the CPU.
But when the simulation is stopped, the fan does not stop rotating
even after couple of hours. At this point, the load on the system is
minimal, but the fan does not stop rotating.
However, if I reboot the machine, the fan is quiet again. So, I am
guessing it is an acpi related issue.
The fan is very noisy when it rotates, so I would like to manually
stop the fan once in a while.
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