From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: [ACPICA] EmbeddedControl region handling bug in PNP0C14 Date: Wed, 12 Dec 2007 18:44:36 +0300 Message-ID: <476001E4.9020900@gmail.com> References: <200711280350.08539.carlos@strangeworlds.co.uk> <200712121410.15587.carlos@strangeworlds.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ug-out-1314.google.com ([66.249.92.173]:48270 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760297AbXLLPny (ORCPT ); Wed, 12 Dec 2007 10:43:54 -0500 Received: by ug-out-1314.google.com with SMTP id z38so600436ugc.16 for ; Wed, 12 Dec 2007 07:43:52 -0800 (PST) In-Reply-To: <200712121410.15587.carlos@strangeworlds.co.uk> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Carlos Corbacho Cc: "Moore, Robert" , Linux-acpi@vger.kernel.org, Len Brown , Alexey Starikovskiy _STA for EC is not needed -- might be worth trying to remove it AnyAcc is not right -- should be ByteAcc. OperationRegion EC01, EC02 also seem to be good recipe for trouble... Carlos Corbacho wrote: > On Wednesday 28 November 2007 18:08:44 Moore, Robert wrote: > >> This will probably require a trace. >> > > Here's the relevant ACPI error messages (with full ACPI debugging enabled) > from acer_acpi, with some comments as to which method is > being called and what arguments we're passing. > > This user tested this on Kubuntu Gutsy (7.10) x86-64, with a custom 2.6.23.9 > kernel (basically, just the ACPI debugging enabled so we can get a better > trace). > > So, for reference, this is the DSDT we're working with: > http://files.strangeworlds.co.uk/5040.dsl > > WMCA(1, 3, NULL): > [23375.726016] ACPI Error (evregion-0316): No handler for Region > [RAM_] (ffff81000132d1a0) [EmbeddedControl] [20070126] > [23375.726246] ACPI Error (exfldio-0289): Region EmbeddedControl(3) > has no handler [20070126] > [23375.726475] ACPI Exception (dswexec-0462): AE_NOT_EXIST, While > resolving operands for [Store] [20070126] > [23375.726708] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.AMW0.WMCA] (Node ffff8100013315f0), AE_NOT_EXIST > > WMCA(1, 6, BUF(4 bytes) = 1): > [23444.490213] ACPI Error (evregion-0316): No handler for Region > [RAM_] (ffff81000132d1a0) [EmbeddedControl] [20070126] > [23444.490218] ACPI Error (exfldio-0289): Region EmbeddedControl(3) > has no handler [20070126] > [23444.490223] ACPI Exception (dswexec-0462): AE_NOT_EXIST, While > resolving operands for [LGreater] [20070126] > [23444.490228] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.AMW0.WMCA] (Node ffff8100013315f0), AE_NOT_EXIST > [23444.490263] acer_acpi: In: 0x00000001 > > -Carlos >