From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: ACPI exception with 2.6.29-rc6 Date: Mon, 23 Feb 2009 15:07:49 -0800 Message-ID: <20090223150749.0b284ba2.akpm@linux-foundation.org> References: <871vtpqex0.wl%htd@fancy-poultry.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:37617 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754867AbZBWXH7 (ORCPT ); Mon, 23 Feb 2009 18:07:59 -0500 In-Reply-To: <871vtpqex0.wl%htd@fancy-poultry.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Heinz Diehl Cc: linux-kernel@vger-kernel.org, linux-acpi@vger.kernel.org (cc linux-acpi) On Mon, 23 Feb 2009 17:46:51 +0100 Heinz Diehl wrote: > Hi, > > booting 2.6.29-rc6 shows the following in boot.log: > > [....] > <7>bus: 00 index 4 mmio: [230000000, fcffffffff] > <6>ACPI: bus type pci registered > <5>PCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127 > <5>PCI: MCFG area at f0000000 reserved in E820 > <6>PCI: Using MMCONFIG at f0000000 - f7ffffff > <6>PCI: Using configuration type 1 for base access > <4>bio: create slab at 0 > <7>ACPI: EC: Look up EC in DSDT > --> <3>ACPI: Denied BIOS AML access to invalid port 0x4d0+0x2 (ELCR) > --> <4>ACPI Exception (dsopcode-0419): AE_AML_ILLEGAL_ADDRESS, During address validation of OpRegion [ELCR] [20081204] > <6>ACPI: Interpreter enabled > <6>ACPI: (supports S0 S1 S5) > <6>ACPI: Using IOAPIC for interrupt routing > <6>ACPI: No dock devices found. > <6>ACPI: PCI Root Bridge [PCI0] (0000:00) > <7>pci 0000:00:01.1: reg 10 io port: [0xe800-0xe83f] > [....] > > ...while 2.6.28.7 boots without showing any ACPI exception: > > [....] > <7>bus: 00 index 3 mmio: [d0000000, efffffff] > <7>bus: 00 index 4 mmio: [230000000, fcffffffff] > <6>ACPI: bus type pci registered > <5>PCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127 > <5>PCI: MCFG area at f0000000 reserved in E820 > <6>PCI: Using MMCONFIG at f0000000 - f7ffffff > <6>PCI: Using configuration type 1 for base access > <7>ACPI: EC: Look up EC in DSDT > <6>ACPI: Interpreter enabled > <6>ACPI: (supports S0 S1 S5) > <6>ACPI: Using IOAPIC for interrupt routing > <6>ACPI: No dock devices found. > <6>ACPI: PCI Root Bridge [PCI0] (0000:00) > <7>pci 0000:00:01.1: reg 10 io port: [0xe800-0xe83f] > [....] Are there any observeable effects from this apart from the scary message? Thanks.