Re: Low battery -> power down + clock set back to 1904-01-01
On Fri, 2004-01-23 at 23:48, Michael Schmitz wrote:
> > Well, this is different.
> >
> > The kernel continuously talks to the PMU. It happens asynchronously
> > at interrupt time. If for some reason, that communication is stopped
> > in the middle of a message transmission, the PMU times out and shuts
> > the machine down, losing the time (I suspect it resets itself, and
> > since it does the timekeeping as well...)
> [...]
> > That's unrelated to the battery problem.
>
> Right, I've had the time reset to silly things by kernel crashes before
> (and that usually takes the PRAM settings with it). Can't such a PMU
> reset also happen when the battery drains all the way to zero? (the
> interrupt timeout being another problem, sure).
Yup.
Basically, each time the PMU gets upset for some reason..
Ben.
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