From owner-freebsd-acpi@FreeBSD.ORG Tue May 11 04:45:40 2010 Return-Path: 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 63D62106566B for ; Tue, 11 May 2010 04:45:40 +0000 (UTC) (envelope-from nate@root.org) Received: from mail.root.org (root.org [208.72.84.34]) by mx1.freebsd.org (Postfix) with ESMTP id 3F1878FC0A for ; Tue, 11 May 2010 04:45:40 +0000 (UTC) Received: from [10.0.5.50] (ppp-71-139-15-106.dsl.snfc21.pacbell.net [71.139.15.106]) by mail.root.org (Postfix) with ESMTP id DD22B5D7C; Tue, 11 May 2010 04:45:38 +0000 (UTC) Message-ID: <4BE8E0F1.80405@root.org> Date: Mon, 10 May 2010 21:45:37 -0700 From: Nate Lawson User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: avatar Lin References: In-Reply-To: X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@FreeBSD.org Subject: Re: About "acpi0: reservation of ... failed" message in `dmesg` 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, 11 May 2010 04:45:40 -0000 avatar Lin wrote: > Our customers are concerned about the following messages in `dmesg` output. > > === > acpi0: reservation of 0, a0000 (3) failed > acpi0: reservation of 100000, bff00000 (3) failed > === > > Please help to clarify this issue. > > Or , in other direction, where to find official document to convince > our customers that these messages are ignorable ? It is related to the sysresource acpi memory objects. It means that something was using the system resource before acpi allocated it. For #1, that looks like lowmem up to the VGA range. For #2, it looks like option ROMs. The BIOS has configured the devices beforehand so as long as everything works, the msgs can be ignored. -- Nate