From owner-freebsd-acpi@FreeBSD.ORG Tue Jun 19 21:07:53 2012 Return-Path: Delivered-To: freebsd-acpi@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D6B93106566B; Tue, 19 Jun 2012 21:07:53 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id F07238FC0A; Tue, 19 Jun 2012 21:07:52 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id AAA13665; Wed, 20 Jun 2012 00:07:51 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1Sh5eQ-000BCS-Sx; Wed, 20 Jun 2012 00:07:51 +0300 Message-ID: <4FE0EA24.6000906@FreeBSD.org> Date: Wed, 20 Jun 2012 00:07:48 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:13.0) Gecko/20120613 Thunderbird/13.0 MIME-Version: 1.0 To: sbruno@FreeBSD.org References: <1340121728.5203.8.camel@powernoodle> In-Reply-To: <1340121728.5203.8.camel@powernoodle> X-Enigmail-Version: 1.4.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@FreeBSD.org, Sean Bruno Subject: Re: [CFT] Sparse Cstate Support -- Its possible, that I don't know what I'm doing. X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jun 2012 21:07:53 -0000 on 19/06/2012 19:02 Sean Bruno said the following: > The first impact of this behavior is to list C3 as C2 in the list of > Cstates when you retrieve the cx_supported sysctls for the cpus. I do not think that this is a real problem. A cosmetic one - most likely. > The > second impact is that the power_profile script never drops to a valid > Cstate when you set the economy_lowest variable in rc.conf. Could you please explain if this somehow follows from your first observation and how? If not, could you please share your finding on what exactly causes this to happen? Also, are we talking about a laptop here? Namely, judging from the reference to 'economy_lowest', are AC state changes in play? -- Andriy Gapon