From mboxrd@z Thu Jan 1 00:00:00 1970 From: yakui_zhao Subject: Re: [patch]: ACPI: Add the Pansonic CF51 box to the dmi check table Date: Thu, 19 Mar 2009 10:50:03 +0800 Message-ID: <1237431003.3640.98.camel@localhost.localdomain> References: <1237365385.3640.43.camel@localhost.localdomain> <20090318134153.GA28461@srcf.ucam.org> <1237425368.3640.61.camel@localhost.localdomain> <20090319012141.GA7658@srcf.ucam.org> <1237430522.3640.94.camel@localhost.localdomain> <20090319024334.GA8638@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mga02.intel.com ([134.134.136.20]:43045 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752520AbZCSCtE (ORCPT ); Wed, 18 Mar 2009 22:49:04 -0400 In-Reply-To: <20090319024334.GA8638@srcf.ucam.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Matthew Garrett Cc: "lenb@kernel.org" , "linux-acpi@vger.kernel.org" On Thu, 2009-03-19 at 10:43 +0800, Matthew Garrett wrote: > On Thu, Mar 19, 2009 at 10:42:02AM +0800, yakui_zhao wrote: > > On Thu, 2009-03-19 at 09:21 +0800, Matthew Garrett wrote: > > > Yes. So how do we tell which ordering a machine needs without hav= ing a=20 > > > blacklist? Windows doesn't.=20 > >=20 > > If there exists the different behaviour w/o the boot option, maybe = it > > should be added to the blacklist.=20 > > > > =EF=BB=BFMaybe there is no such blacklist on windows. >=20 > Quite. There shouldn't be on Linux. If there is no such blacklist, the suspend/resume can't wok well on som= e boxes. IMO this can be workaround for some boxes that can't be resumed. > =20 > > I verify this problem on windows by using KVM and find that the _PT= S > > object is called after device suspend in course of hibernate.(No S3= is > > supported on KVM). In theory the _PTS is also called after device > > suspend in course of suspend. >=20 > What would it take to fake S3 on KVM enough that we could instrument=20 > Windows' behaviour? The graphics simulated in KVM is too old. >=20 > > But it is strange that suspend/resume can work well on windows XP.=20 > > Maybe more registers are saved/restored in course of suspend. But w= e > > can't know what should be saved/restored. >=20 > Nor can we continue adding machines to a blacklist. >=20 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html