From mboxrd@z Thu Jan 1 00:00:00 1970 From: Seth Forshee Subject: Re: [PATCH v2 4/4] toshiba_acpi: Add blacklist for models with hotkey problems Date: Thu, 5 Jan 2012 14:58:31 -0600 Message-ID: <20120105205831.GH25386@ubuntu-macmini> References: <1325617358-8286-1-git-send-email-seth.forshee@canonical.com> <1325617358-8286-5-git-send-email-seth.forshee@canonical.com> <20120105182627.GE24242@srcf.ucam.org> <20120105193228.GB25386@ubuntu-macmini> <94F2FBAB4432B54E8AACC7DFDE6C92E3256C799D@ORSMSX101.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from youngberry.canonical.com ([91.189.89.112]:35239 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932656Ab2AEU6i (ORCPT ); Thu, 5 Jan 2012 15:58:38 -0500 Content-Disposition: inline In-Reply-To: <94F2FBAB4432B54E8AACC7DFDE6C92E3256C799D@ORSMSX101.amr.corp.intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Moore, Robert" Cc: Matthew Garrett , Len Brown , Azael Avalos , Thomas Renninger , "platform-driver-x86@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Lin, Ming M" On Thu, Jan 05, 2012 at 08:46:43PM +0000, Moore, Robert wrote: > > My only guess is that Windows is more permissive about this sort of > > thing than ACPICA is, but by my reading of the spec throwing a fatal > > error is what's supposed to happen. > > If it is true that Windows will execute this code without error, then ACPICA should be changed to match the Windows behavior. ACPICA is now a "Windows compatible" implementation of ACPI, but that of course means we are attempting to be compatible with a black box ACPI implementation. On the other hand, it may be the case that Windows never executes this code, so the error is not seen on Windows. > > We would like to investigate this further. Please send or point me to the acpidump for this machine. I posted the ACPI tables at the following link. Let me know if there's anything I can do to help. http://people.canonical.com/~sforshee/toshiba-acpi/nb505-acpi-tables.txt Thanks, Seth