[om2008.9/FDOM] Charging or Long Power On = Crashing?

Michael Shiloh michael at openmoko.org
Tue Oct 14 20:15:28 CEST 2008

Boris Wong wrote:
> I'm working on a theory of prolonged charging leading to the crashing of
> the Freerunner in FDOM/om2008.9. I'm not saying it's definite, but I
> have had some experiences of my phone ending up in kernel panic and
> where the screen would not turn on after overnight charging without
> suspension.
> Here is the scenario:
> I plug in my Freerunner to the wall adaptor, to let it charge overnight.
> I do not use suspension, but I do have the screen turn off
> automatically. I sometimes don't unplug/plug it in again to make the
> charging indicator (red light and the charging symbol on the screen)
> appear. In the morning (6+ hours later), the phone will be in kernel
> panic or the device will be on without the screen (calls and things get
> through, monitor does not come on).
> The questionable theory:
> Is there any chance that, since the kernel is not aware that the device
> is charging (even though the device still charges to full), will create
> crashes or reverse the loop of the battery indicators? I'm aware that
> this is a smart battery which can dish out statistics. If the FR does
> not know that it is charging, but the power is going up, I might think
> that that may cause problems with the logging and power handling from
> the kernel.
> Just a theory, but I really want to get rid of kernel panics and crashes
> after not shutting down for a long time.
> Any other theories floating out there that we might want to consider?


You may get better results posting this to the kernel list.


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