Re: [RFC] sleepy linux

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Oliver Neukum wrote:
Am Mittwoch, 26. Dezember 2007 19:56:59 schrieb H. Peter Anvin:
3) Network card that is either down
   or can wake up system on any packet (and not loose too many packets)

This is the big crux I see. You're going to constantly wake up the machine due to broadcast packets, and spend a lot of power just going in and out of S3.

How many machines care a lot about saving power while they are connected
to an ethernet? Wlan might be more of a problem.

A lot of them should. An inordinate amount of machines sit there burning power for no reason. You can argue that S3 isn't needed -- that nohz + C3/C4 + turning off the screen would be enough, and that might be legit. Heck, I'm constantly frustrated by every distro upgrade breaking power management for my monitor.

	-hpa
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