[Bug 364156] Re: powernow-k8: BIOS does not provide ACPI -PSS objects in a way that Linux understands

[David Gaarenstroom]

@Tom Pringle: even though you get the same kernel warning (symptom), for
you this is a different situation, because you are using completely
different hardware (cause). That is also why I think similar bug reports
for different hardware should not be merged.

AFAIK, there can be three main causes for this warning:
1) Your BIOS is not configured to support C 'n' Q
2) Your BIOS is incomplete
3) You are using a different (newer) CPU than the ones your motherboard supports

For Lenovo I know they offers _incomplete_ ACPI information, you will
have to override your ACPI data by using a custom DSDT. You should be
able to find some howto's on the Internet, I don't have the full
details...

But either way, these bug reports do not apply to any software in
Ubuntu, except that you cannot use a customized powernow-k8 driver
because this module is built into the kernel image...

-- 
powernow-k8: BIOS does not provide ACPI -PSS objects in a way that Linux understands
https://bugs.launchpad.net/bugs/364156
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