[sugar] battery charge status?

Guido van Rossum guido at python.org
Mon Mar 19 20:54:14 EDT 2007


On 3/19/07, Chris Ball <cjb at laptop.org> wrote:
> Hi Guido,
>
>    > My B2 battery light is blinking red. Does this mean it's empty or
>    > full or has a problem?
>
> It would normally mean the charge was low, but is being triggered
> incorrectly.  It should be fixed in the firmware version that we
> just released, Q2B81.
>
>    > Is there a command-line way to independently verify the battery
>    > status?
>
> Yes, cat /sys/class/battery/psu_0/{capacity_percentage,status}.
>
>    > I have upgarded to the 303 build and the Q2B76 firmware.
>
> Please upgrade to the Q2B81 firmware -- as well as fixing the battery
> problem, it works around a CPU bug that was causing a 30% performance
> hit across the board!

So, after this successful formware upgrade (confirmed by grepping
through dmesg output looking for Q2B81), the battery light still
blinks red. According to the capacity_percentage file it was charged
89%. It was plugged in. Weird...

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)


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