From owner-freebsd-acpi@FreeBSD.ORG Thu May 10 15:47:07 2007 Return-Path: X-Original-To: freebsd-acpi@freebsd.org Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 39D7016A400 for ; Thu, 10 May 2007 15:47:07 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.freebsd.org (Postfix) with ESMTP id 9771F13C487 for ; Thu, 10 May 2007 15:47:06 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.8/8.13.8) with ESMTP id l4AFl0DD000987; Thu, 10 May 2007 11:47:00 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-acpi@freebsd.org Date: Thu, 10 May 2007 10:56:24 -0400 User-Agent: KMail/1.9.6 References: <200606151237.07904.mistry.7@osu.edu> In-Reply-To: <200606151237.07904.mistry.7@osu.edu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200705101056.24872.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Thu, 10 May 2007 11:47:01 -0400 (EDT) X-Virus-Scanned: ClamAV 0.88.3/3225/Thu May 10 04:08:21 2007 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Subject: Re: Clear Abnormal Termination Bit 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: Thu, 10 May 2007 15:47:07 -0000 On Thursday 15 June 2006 12:36:58 pm Anish Mistry wrote: > I just saw an email on the Linux ACPI list someone posted they needed > to clear the abnormal termination bit on some motherboards before > suspending so that the BIOS would correctly hand-off back to the OS. > > I'm not sure if we're doing this already, but the equivilent would be > to put the following before going into S3: > AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, > 0x800); I looked at this again today, and it was actually fixed in ACPICA by preserving the state of certain reserved bits. 7.0 has the updated ACPICA (20060623 or later). -- John Baldwin