Date: Mon, 03 Nov 2008 19:31:29 -0500 From: "Alexandre \"Sunny\" Kovalenko" <gaijin.k@gmail.com> To: Alexander Motin <mav@FreeBSD.org> Cc: FreeBSD acpi <freebsd-acpi@freebsd.org>, freebsd-mobile@FreeBSD.org Subject: Re: Is the C3 possible with SMP? Message-ID: <1225758689.1244.1.camel@RabbitsDen> In-Reply-To: <490F6594.6050802@FreeBSD.org> References: <490DF584.5080506@FreeBSD.org> <1225656933.1202.2.camel@RabbitsDen> <490E245C.7070900@FreeBSD.org> <1225664813.1202.5.camel@RabbitsDen> <490E2D19.1030502@FreeBSD.org> <1225670686.1153.8.camel@RabbitsDen> <490EC154.9020801@FreeBSD.org> <1225714981.1184.7.camel@RabbitsDen> <490F6594.6050802@FreeBSD.org>
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On Mon, 2008-11-03 at 22:56 +0200, Alexander Motin wrote: > Alexandre "Sunny" Kovalenko wrote: > >>> When laptop is moving around with me, all USB modules are unloaded and I > >> I will try to unload USB later today. > > I have got a bit power on disabling EHCI, but it could happen just > because device itself went into the D3 state. C3 stats doesn't changes > on that. UHCI and other devices disabling also gave some bits. > > >>> get about 4 hours of battery life with wireless on, admittedly on the > >>> light usage (reading/writing E-mails, browsing web, typing up occasional > >>> document). I consider this good for 4.4lbs (<2kg) laptop. > >> I have a bit more then 3 hours at the same weight. Which CPU, video and > >> chipset do you have? > > This is CoreDuo T2400 with Intel 945GM video and Atheros 5212 a/b/g > > wireless part. One other thing, I forgot to mention is: I set > > > > hw.pci.do_power_nodriver: 3 > > Thanks. With disabling everything possible I was able to reach 4 hours > plank! > > There is one question appeared, is there any way to deny driver > attachment for some specific device to left it is D3 state? For example > I don't need some specific USB hosts and PATA controller, but I can't > disable them with just not loading the driver. There is alike DF_ENABLED > flag I have found, but I haven't found any external way to reset it. :( Well, this is way beyond my knowledge. Hopefully, someone who actually knows how things work will chime in. Sorry. -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)
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