Current Bootchart / breaking SD boot
Marcelo
marcelo.magallon at gmail.com
Thu Jul 10 00:21:31 CEST 2008
On Wed, Jul 9, 2008 at 2:47 PM, Mike (mwester) <mwester at dls.net> wrote:
> And pulling the battery out too (no current user-space images of which
> I am aware actually power down the GSM, so if you aren't pulling out
> the battery, you're not in "airplane mode"!!)
Most consumer electronics in this category don't really power down,
even if you press the physical "power off" button. A tiny bit of the
system is still running to do miscellaneous stuff. ARM9 processors
like the one in the OpenMoko have a sleep mode that freezes the system
state, but it's otherwise "on".
I have always wondered about the real reason behind asking people to
turn off phones during take off and landing. Recently I heard that
it's actually only one of the cases that matters, I think it was
landing. Once I forgot that I had dropped my phone in my backpack even
before leaving out for the airport and I realised this only when I
arrived at my final destination. I wondered how often that kind of
thing happens to people all over the world.
Marcelo
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