The Linux kernel disconnects NIC devices when entering suspend.
Looking at your access point log should show you if the Wifi radioset is still running.
A thought -
If your access point shows that the Wifi radioset is still running while the kernel is suspended (because of your changes to the power management) -
Then it may be worth checking if the Kindle will respond to "wake on lan" packets.
That function is done in the Wifi hardware, and might "wake" the kernel just like a "USB event" does.
Ah, another thought -
What is the lease time you have assigned to the connection in your access point?
Reason: The Wifi modem can't renew that itself without help from the CPU.
Last edited by knc1; 07-14-2013 at 08:28 AM.
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