Re: sudden power loss on tibook
> > host initiated PMU comms - that would mean we have a lockup happen while
> > talking to the PMU. Otherwise, it might be just any lockup with interrupts
> > disabled (does it happen on the text console as well? Does the cursor keep
> > blinking?)
> My system isn't locking up, it's just switching off - so there's no
> chance for the cursor to blink or otherwise. Is that what you meant?
Before switching off, is there any period (a few seconds up to a minute)
where the system becomes unresponsive? If not, involvement of the PMU
isn't that likely anymore, and CPU frequency switching looks more likely.