From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [patch]: ACPI: Add the Pansonic CF51 box to the dmi check table Date: Thu, 19 Mar 2009 01:21:41 +0000 Message-ID: <20090319012141.GA7658@srcf.ucam.org> References: <1237365385.3640.43.camel@localhost.localdomain> <20090318134153.GA28461@srcf.ucam.org> <1237425368.3640.61.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:53582 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752496AbZCSBVu (ORCPT ); Wed, 18 Mar 2009 21:21:50 -0400 Content-Disposition: inline In-Reply-To: <1237425368.3640.61.camel@localhost.localdomain> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: yakui_zhao Cc: "lenb@kernel.org" , "linux-acpi@vger.kernel.org" On Thu, Mar 19, 2009 at 09:16:07AM +0800, yakui_zhao wrote: > On Wed, 2009-03-18 at 21:41 +0800, Matthew Garrett wrote: > > Do we have any idea what's going on here, yet? > > Several of the machines > > on this blacklist are modern, so it's not a workaround for ancient > > hardware. > Now we have no idea how the behaviour is changed with the boot option. > In fact the boot option is useful for all the boxes that can't be > resumed unless it is added. > > Although the machine is modern, the ACPI 1.0 is followed on this box. > Without the boot option of "acpi_sleep=old_ordering", it can't be > resumed from S3 correctly. But after adding the boot option, the box can > be resumed. Yes. So how do we tell which ordering a machine needs without having a blacklist? Windows doesn't. -- Matthew Garrett | mjg59@srcf.ucam.org