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Message-ID: <20071226190045.GB8094@elf.ucw.cz> Date: Wed, 26 Dec 2007 20:00:45 +0100 From: Pavel Machek <pavel@....cz> To: "H. Peter Anvin" <hpa@...or.com> Cc: kernel list <linux-kernel@...r.kernel.org>, Linux-pm mailing list <linux-pm@...ts.osdl.org>, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: [RFC] sleepy linux On Wed 2007-12-26 10:56:59, H. Peter Anvin wrote: > Pavel Machek wrote: >> This is RFC. It does not even work for me... it sleeps but it will not >> wake up, because SATA wakeup code is missing. Code attached for >> illustration. >> I wonder if this is the right approach? What is right interface to the >> drivers? >> 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. Yep... for the first version, I'll be very happy if it autosleeps when I'm traveling by bus or something. Working with ethernet plugged in is quite a distant goal. (But I guess some cleverness could be done on the router or something. Automagically converting "interesting" packets into WoL enabled ones, or...?) Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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