Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754171AbYHLTz3 (ORCPT ); Tue, 12 Aug 2008 15:55:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752042AbYHLTzO (ORCPT ); Tue, 12 Aug 2008 15:55:14 -0400 Received: from mx1.redhat.com ([66.187.233.31]:35950 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751289AbYHLTzM (ORCPT ); Tue, 12 Aug 2008 15:55:12 -0400 Date: Fri, 8 Aug 2008 17:06:19 -0400 From: Dave Jones To: "Rafael J. Wysocki" Cc: "Langsdorf, Mark" , lkml , ACPI Devel Maling List , Andi Kleen , Andrew Morton , Thomas Renninger Subject: Re: Regression in 2.6.27-rc2 in acpi_processor_init() Message-ID: <20080808210619.GA4655@redhat.com> Mail-Followup-To: Dave Jones , "Rafael J. Wysocki" , "Langsdorf, Mark" , lkml , ACPI Devel Maling List , Andi Kleen , Andrew Morton , Thomas Renninger References: <6453C3CB8E2B3646B0D020C112613273C5AC59@sausexmb4.amd.com> <200808082302.11358.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200808082302.11358.rjw@sisk.pl> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1244 Lines: 35 On Fri, Aug 08, 2008 at 11:02:10PM +0200, Rafael J. Wysocki wrote: > [Adding CCs] > > On Friday, 8 of August 2008, Langsdorf, Mark wrote: > > I got a regression when updated from 2.6.27-rc1 ro > > 2.6.27-rc2. The noticeable symptom is the powernow-k8 > > driver stopped working because the call to > > acpi_processor_register_performance() is returning > > -EINVAL. > > > > Digging into the code a bit more, that's occurring > > because acpi_processor_ppc_status is not set. > > That should be set in acpi_processor_init(), but > > that function is failing to register the ACPI > > processor driver. > > > > I've dug through the code and can't see why > > that call would fail. It doesn't look like there > > were any changes between 2.6.27-rc1 and 2.6.27-rc2, > > but I may have missed something. > > > > Any advice or suggestions in debugging this > > appreciated. a1531acd43310a7e4571d52e8846640667f4c74b perhaps related ? Dave -- http://www.codemonkey.org.uk -- 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/