From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: [PATCH 70/73] ACPICA: Fix to disable unknown spurious GPEs Date: Fri, 25 Apr 2008 06:39:59 +0400 Message-ID: <4811447F.6010602@suse.de> References: <1207974356-30687-1-git-send-email-lenb@kernel.org> <480EC916.1050407@suse.de> <9D39833986E69849A2A8E74C1078B6B3372B65@orsmsx415.amr.corp.intel.com> <200804242140.28805.lenb@kernel.org> <1209088386.3538.18.camel@rzhang-crestline.sh.intel.com> <9D39833986E69849A2A8E74C1078B6B33735F5@orsmsx415.amr.corp.intel.com> <48113D80.70406@suse.de> <1209090486.3538.36.camel@rzhang-crestline.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from charybdis-ext.suse.de ([195.135.221.2]:55266 "EHLO emea5-mh.id5.novell.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753407AbYDYCjz (ORCPT ); Thu, 24 Apr 2008 22:39:55 -0400 In-Reply-To: <1209090486.3538.36.camel@rzhang-crestline.sh.intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Zhang Rui Cc: "Moore, Robert" , Len Brown , linux-acpi@vger.kernel.org Zhang Rui wrote: > On Fri, 2008-04-25 at 10:10 +0800, Alexey Starikovskiy wrote: >> Actually, I too don't know why _disabling_ some GPE could trigger EC >> one... >> May be Len could try to debug this issue, as he is the only one with >> hardware... >> One thought is that EC GPE is not present in GPE scope, thus it will >> be not configured by the >> time 6217' code is executed. So, in theory, 6217 could try to disable >> EC GPE. > In acpi_install_gpe_handler, Linux always disables the GPE before > installing a GPE handler. > After 6217 is applied, when installing EC GPE handler, Linux will invoke > acpi_hw_write_gpe_enable_reg to try to disable EC GPE which is not done > before. Don't know if this is related. No, EC GPE handler is installed later. Thus the error is triggered during execution of 6217 code...