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Date: Sun, 24 Sep 2006 16:21:58 +0000 From: Pavel Machek <pavel@....cz> To: Alexander Gran <alex@...ns.eu> Cc: kernel list <linux-kernel@...r.kernel.org>, Greg KH <greg@...ah.com>, Linux usb mailing list <linux-usb-devel@...ts.sourceforge.net> Subject: Re: usb still sucks battery in -rc7-mm1 On Sun 24-09-06 16:49:59, Alexander Gran wrote: > Perhaps your cpu cannot go into deep c states? At least my IBm T40p has that > problem, when USB is enabled. Yes, and latest -mm's were expected to fix that... Pavel > > regards > Alex > > Am Sonntag, 24. September 2006 11:08 schrieb Pavel Machek: > > Hi! > > > > I made some quick experiments, and usb still eats 4W of battery > > power. (With whole machine eating 9W, that's kind of a big deal)... > > > > This particular machine has usb bluetooth, but it can be disabled by > > firmware, and appears unplugged. (I did that). It also has fingerprint > > scanner, that can't be disabled, but that does not have driver (only > > driven by useland, and was unused in this experiment). > > > > Any ideas? > > Pavel > > -- > Encrypted Mails welcome. > PGP-Key at http://www.grans.eu/misc/pgpkey.asc | Key-ID: 0x6D7DD291 > More info at http://www.grans.eu/Alexander_Gran.html -- Thanks for all the (sleeping) penguins. - 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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