Re: pmu driver
> > The LEDs indicated the same sudden level decrease. Additionally, I
> > could reproduce that behaviour under Mac OSX. So now I think, this
> > rather is a hardware issue. I called Apple and they will send me a
> > replacement battery. We will see then, if it was just a bad battery.
OK; I'll write it off to a dead battery then.
> 1.5 years ago, I wrote a script to monitor the battery state every minute, and
> log it to /var/log. I still have all the data :-)
>
> This is what happens (well, happened half a year ago) when I unpluged the power
> (on-line -> off-line):
>
> | mWh mV crit + - MHz ac |
> | 20430 16712 no yes no 545.944 on-line
> | 20430 16216 no no yes 545.944 off-line
> | 20430 15912 no no yes 545.944 off-line
> | 20430 15792 no no yes 545.944 off-line
> | 20430 15640 no no yes 545.944 off-line
> | 20140 14968 no no yes 545.944 off-line
> | 19980 15288 no no yes 545.944 off-line
> | 19650 15120 no no yes 545.944 off-line
> | 19470 15000 no no yes 545.944 off-line
> | 19320 14912 no no yes 545.944 off-line
> | 19100 14808 no no yes 545.944 off-line
> | 18850 14712 no no yes 545.944 off-line
> | 18600 14632 no no yes 545.944 off-line
> | 18420 14544 no no yes 545.944 off-line
> | 18110 14320 no no yes 545.944 off-line
> | 17840 14344 no no yes 545.944 off-line
> | 17620 14272 no no yes 545.944 off-line
> | 17210 14184 no no yes 545.944 off-line
> | 0 14136 yes no yes 545.944 off-line
Amazing. The PMU calibration must be way off, or the battery real dead.
> As soon as `crit' goes to `yes', I had a few more minutes to shutdown the
> machine. However, these days the power state becomes critical after an uptime
> of 4 minutes, and I don't have time for a clean shutdown anymore :-(
>
> Note that this is not on a PowerBook, but on a Vaio, with LiIon battery. And
> it's definitely the battery, since so far it doesn't happen with the (larger)
> spare one.
I'll consider myself lucky for still getting around 1.5 hours of battery
life, with a 3 year old battery. Does someone still sell Powerbook G3 Li
ion batteries?
Michael
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