On Tue, 2012-12-11 at 20:16 +0100, Stefan Nagy wrote:
> I tested this some more by observing the output of 'acpi -a'. When my
> battery is low the values (percentage, time remaining) jump.
>
> Two minutes before my notebook suddenly shut down I got 00:05:00 minutes
> left, a few seconds later 00:04:34 minutes, then 00:04:46 minutes,
> 00:04:54 minutes… Two or three seconds before my notebook finally shut
> down I got 00:04:42 minutes left. For all this time percentage was at
> 2%.
>
> After plugging in the AC adaptor and booting up I got 4% and 00:04:53
> minutes "until charged" (!). I disconnected the AC adaptor again – now I
> still had 4%, but just 00:00:15 seconds left. However, a few seconds
> later I got 00:29:31 minutes remaining again.
>
> If 'acpi' shows ACPI information (as the manpage states), ACPI
> information can't be correct. For me this seems to be a kernel bug.
Is this a genuine HP or third party battery?
Ben.
--
Ben Hutchings
Theory and practice are closer in theory than in practice.
- John Levine, moderator of comp.compilers
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