Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756953AbZD2Os7 (ORCPT ); Wed, 29 Apr 2009 10:48:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755851AbZD2Osq (ORCPT ); Wed, 29 Apr 2009 10:48:46 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:53355 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755699AbZD2Oso (ORCPT ); Wed, 29 Apr 2009 10:48:44 -0400 Date: Wed, 29 Apr 2009 16:48:18 +0200 From: Ingo Molnar To: Thomas Renninger Cc: Len Brown , Matthew Garrett , "Darrick J. Wong" , linux-kernel , cpufreq@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: [PATCH v2] acpi: Fix regression where _PPC is not read at boot even when ignore_ppc=0 Message-ID: <20090429144818.GA9716@elte.hu> References: <20090415225348.GW8311@plum> <200904201113.31371.trenn@suse.de> <20090420104529.GB6670@elte.hu> <200904291519.29683.trenn@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200904291519.29683.trenn@suse.de> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1435 Lines: 43 * Thomas Renninger wrote: > On Monday 20 April 2009 12:45:29 Ingo Molnar wrote: > > > > * Thomas Renninger wrote: > > > > > On Monday 20 April 2009 07:13:51 Len Brown wrote: > > > > FYI, > > > > Thanks to Ebay, I now have a T60:-) > > > Hmm, Lenovo sold a lot different machines as T60. > > > I found an acpidump of a T60 here without any _PPC function > > > at all. > > > > > > > and so i put the DSDT here: > > > > http://bugzilla.kernel.org/show_bug.cgi?id=13139 > > > > > > > > I'll poke at this in more detail soon... > > > Ingo, can you place yours somewhere too, please. > > > This one should be taken into account for _PPC code changes > > > as it seem to implement some corner case. > > > > Sure, find it attached below. > > > > Ingo > > > > DSDT @ 0x7f6e65e7 > > 0000: 44 53 44 54 65 c7 00 00 01 49 4c 45 4e 4f 56 4f > ... > Ingo, did you do a BIOS update in between? > The DSDT and SSDTs you added do not contain a _PPC function. > These ACPI tables definitely do not suffer from an initial _PPC > evaluation. no, i didnt update anything. I only touch the BIOS if i absolutely have to. Was the original analysis wrong then? Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/