Re: PROBLEM: CPU fan shuts down on load of fan.ko in kernel 2.6.18 and later

Matthew Brett
2007-01-13T12:29:48Z

Hi,

> Unfortunately, thermal zones defined in your DSDT doesn't contain any trip points except critical, but the fan control requires at least one active trip point (_ACx) to be defined.
> Also, there are no fan devices (i.e. device with 'PNP0C0B' HID) defined.
>
> This means, that no fan and minimal thermal control is available on your system through the ACPI functionality.

Hmm - I guess I had the idea that my ACPI was broken, but in this
case, the inadequacy of the ACPI means that the linux kernel had
become dangerous for the hardware, in a way that Windows is not. Is
there any way of making it less likely that problems in the ACPI will
shut off the fan?

Best,

Matthew