Quote:
Originally Posted by Sukarn
Context, my friend.
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If a kindle is sleeping between two page turns, then it should not be possible to ssh into the kindle when you are reading a book, unless you try to ssh at the same time as you turn a page or the clock changes the time.
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Now that might be a point of confusion -
If you ssh into the Kindle over the USB cable -
Then that means the USB cable is plugged in -
Which means the Kindle is running on external power -
If there is power on the USB cable jack, then the Kernel sets a "Wake Lock" flag and the Kindle never goes to sleep (although it can shift to another clock speed - depends on how you have its governor set). There is a KUAL app for that.
Even with the "Wake Lock" flag set - the Kindle can go into "Screensaver Mode" and display a screensaver.
But it remains running.
Now if you ssh into the Kindle over Wifi -
Then the Kindle must have been running at least the Wifi modem, which can be a much bigger battery hog than the rest of the Kindle.
And if you ssh into the Kindle over 3G . . . .
You had better plug it in to external power.