From owner-freebsd-acpi@FreeBSD.ORG Tue Jun 17 00:29:08 2014 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id CDA4B754; Tue, 17 Jun 2014 00:29:08 +0000 (UTC) Received: from h2.funkthat.com (gate2.funkthat.com [208.87.223.18]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "funkthat.com", Issuer "funkthat.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 8E4A92EF7; Tue, 17 Jun 2014 00:29:08 +0000 (UTC) Received: from h2.funkthat.com (localhost [127.0.0.1]) by h2.funkthat.com (8.14.3/8.14.3) with ESMTP id s5H0T5GV005086 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 16 Jun 2014 17:29:06 -0700 (PDT) (envelope-from jmg@h2.funkthat.com) Received: (from jmg@localhost) by h2.funkthat.com (8.14.3/8.14.3/Submit) id s5H0T5VP005085; Mon, 16 Jun 2014 17:29:05 -0700 (PDT) (envelope-from jmg) Date: Mon, 16 Jun 2014 17:29:05 -0700 From: John-Mark Gurney To: CeDeROM Subject: Re: sysctl hw.acpi.acline Message-ID: <20140617002905.GW31367@funkthat.com> Mail-Followup-To: CeDeROM , Anthony Jenkins , freebsd-hackers@freebsd.org, freebsd-acpi@freebsd.org, Armin Gruner References: <539F56E9.8070809@muc.de> <539F6B3F.2000308@att.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-Operating-System: FreeBSD 7.2-RELEASE i386 X-PGP-Fingerprint: 54BA 873B 6515 3F10 9E88 9322 9CB1 8F74 6D3F A396 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html X-TipJar: bitcoin:13Qmb6AeTgQecazTWph4XasEsP7nGRbAPE X-to-the-FBI-CIA-and-NSA: HI! HOW YA DOIN? can i haz chizburger? X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.2 (h2.funkthat.com [127.0.0.1]); Mon, 16 Jun 2014 17:29:06 -0700 (PDT) Cc: Anthony Jenkins , freebsd-hackers@freebsd.org, freebsd-acpi@freebsd.org, Armin Gruner X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jun 2014 00:29:08 -0000 CeDeROM wrote this message on Tue, Jun 17, 2014 at 00:25 +0200: > On Tue, Jun 17, 2014 at 12:10 AM, Anthony Jenkins > wrote: > > The absence of hw.acpi.battery and child oids probably implies there is no battery and the system may be assumed to be on line (A/C) power. > > Hello Anthony! I would prefer to have that information clearly defined > in the manual :-) I guessed that this is a quick fix to first check Which manual? > the OID existence, but if manual tells there is such OID it should be > there, even if there is no battery, huh? This is why I consider this > to be a bug :-) ACPI have tons of optional stuff that isn't required to be present, and apparently acline is one of them. Also, acline is only useful if there are multiple power sources, what if you have a desktop machine always running off a battery, if we defaulted acline=1, then you'd complain that the status is wrong... :) -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."