From owner-freebsd-mobile@FreeBSD.ORG Tue Mar 30 06:50:24 2010 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2353B1065672 for ; Tue, 30 Mar 2010 06:50:24 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-fx0-f222.google.com (mail-fx0-f222.google.com [209.85.220.222]) by mx1.freebsd.org (Postfix) with ESMTP id A58E78FC0C for ; Tue, 30 Mar 2010 06:50:23 +0000 (UTC) Received: by fxm22 with SMTP id 22so6905990fxm.14 for ; Mon, 29 Mar 2010 23:50:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=0TbkOXoezbN1b0paykSSc+GWH4BikIHuM+ZXG72xi+A=; b=RDKBXovYD5bJ4FtEE3KucA9oLl3/xC//B/amTDZaYys8GlN1lLyOXoPZEbJWXNQR7J hYxG88kmUvAbryAo/O++ucfIVBIpp3DkrvTilJ0bsfEIEJHCsFiEe2tlMEZcBXZABIUa XiWXK0yaR09x9j2jQKgXq62ziFqxWE9gPRbDo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=Y2JPWX4O/pGLHRBC9YIjoDVbB8Qjb2TGQgXAo1T2L7m8RsMQQF7565xCu7A5YIwsmV ic59ylEdjkMxY6Uk5U4ul14NBcawB7tZaMV7D2+XUMY69R4KIovmkpJYPtwJ2FCZ63Ur AuC4UUUhNV2fODL9OoK3+kYcRinJtDmF7RMr8= Received: by 10.223.17.70 with SMTP id r6mr1311389faa.24.1269931822488; Mon, 29 Mar 2010 23:50:22 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id 15sm3610387fxm.15.2010.03.29.23.50.20 (version=SSLv3 cipher=RC4-MD5); Mon, 29 Mar 2010 23:50:21 -0700 (PDT) Sender: Alexander Motin Message-ID: <4BB19F2B.7020604@FreeBSD.org> Date: Tue, 30 Mar 2010 09:50:19 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Jan Henrik Sylvester References: <1269872581.00234827.1269859203@10.7.7.3> In-Reply-To: <1269872581.00234827.1269859203@10.7.7.3> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: mobile-list freebsd Subject: Re: Thinkpad T510: LAN? CPU-C3? X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Mar 2010 06:50:24 -0000 Jan Henrik Sylvester wrote: > - CPU-C3: No C3 (dev.cpu.0.cx_supported: C1/3 C2/245) for i7-620M. > Battery life will not be good without C3, and Turbo Boost will not work > either. (Apparently, Linux got C3 support on a quick boot with a live CD.) I would say that your C2 state has too high entering latency (at least from point of my C2D of C1/1 C2/1 C3/57). May be you have some C2E hack enabled in BIOS, which makes C3 useless and BIOS hides it? FreeBSD receives all info about supported states from ACPI BIOS, so ACPI can report whatever it wants about set of C-states. -- Alexander Motin