Re: Fwd: [Bug 92111] Power regression from 3.17 to 3.18 and 3.19

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On Wed, Feb 11, 2015 at 03:26:35AM +0100, Rafael J. Wysocki wrote:

> In order to "identify the root cause" it is pretty much necessary to know
> what _OSI("Darwin") causes the firmware to actually do and the only party
> knowing that is Apple.  The only question I can ask hardware people is what
> it *theoretically* may be doing to trigger the observed behavior and
> honestly I doubt I'll get a useful answer to that.

The hardware has a fixed set of inputs that influence whether it enters 
PC6. If we know what those are then we can identify which is actually at 
play here, which gives us a high probability of identifying the root 
cause.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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