From owner-freebsd-current@FreeBSD.ORG Tue Nov 18 14:29:43 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DC6A716A4CE for ; Tue, 18 Nov 2003 14:29:43 -0800 (PST) Received: from rootlabs.com (root.org [67.118.192.226]) by mx1.FreeBSD.org (Postfix) with SMTP id 7CCE843FBF for ; Tue, 18 Nov 2003 14:29:38 -0800 (PST) (envelope-from nate@rootlabs.com) Received: (qmail 65370 invoked by uid 1000); 18 Nov 2003 22:29:39 -0000 Date: Tue, 18 Nov 2003 14:29:39 -0800 (PST) From: Nate Lawson To: Don Lewis In-Reply-To: <200311182219.hAIMJFeF091593@gw.catspoiler.org> Message-ID: <20031118142911.M65367@root.org> References: <200311182219.hAIMJFeF091593@gw.catspoiler.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@FreeBSD.org cc: l.ertl@univie.ac.at Subject: Re: Updated acpi_cpu patch X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Nov 2003 22:29:44 -0000 On Tue, 18 Nov 2003, Don Lewis wrote: > On 18 Nov, Lukas Ertl wrote: > > On Tue, 18 Nov 2003, Nate Lawson wrote: > > >> This excerpt from truckman@'s asl shows that 4 Cx states are only > >> available when the AC adapter is not attached. (The C*NA memory addresses > >> appear to be managed by the BIOS and not the AML but the PSR access is > >> clear). > > > > This part of the ASL looks the one here - let me guess, is it a ThinkPad? > > :-) > > Yup, a Thinkpad R40, which refuses to actually power down in ACPI mode > when I run "shutdown -p". That's an old problem that Linux is also trying to work around. It appears to be buggy hw. -Nate