Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754154AbaG2Uvu (ORCPT ); Tue, 29 Jul 2014 16:51:50 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:58009 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751753AbaG2Uvr (ORCPT ); Tue, 29 Jul 2014 16:51:47 -0400 From: "Rafael J. Wysocki" To: Vinson Lee Cc: William Dauchy , Zdenek Kabelac , "Rafael J. Wysocki" , LKML , ACPI Devel Maling List Subject: Re: WARNING: CPU: 0 PID: 2623 at drivers/pnp/pnpacpi/core.c:96 pnpacpi_set_resource Date: Tue, 29 Jul 2014 23:10:19 +0200 Message-ID: <2026468.U7VDB8Dm9m@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.16.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: References: <5386F2C7.8080400@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, July 29, 2014 11:13:55 AM Vinson Lee wrote: > On Tue, Jul 29, 2014 at 2:53 AM, William Dauchy wrote: > > Hi Vinson, > > > > On Mon, Jul 28, 2014 at 9:11 PM, Vinson Lee wrote: > >> The warning first happens with 3.14-rc1. The warning does not occur with 3.13.0. > > > > Hitting the same issue here with a similar trace on 3.14.x. Did you > > start bisecting? > > > > Regards, > > -- > > William > > > I bisected the warning that I'm seeing to this commit. > > commit 202317a573b20d77a9abb7c16a3fd5b40cef3d9d > Author: Rafael J. Wysocki > Date: Fri Nov 22 21:54:37 2013 +0100 > > ACPI / scan: Add acpi_device objects for all device nodes in the namespace Interesting. Does the appended patch make any difference? Rafael --- drivers/pnp/pnpacpi/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) Index: linux-pm/drivers/pnp/pnpacpi/core.c =================================================================== --- linux-pm.orig/drivers/pnp/pnpacpi/core.c +++ linux-pm/drivers/pnp/pnpacpi/core.c @@ -319,8 +319,7 @@ static int __init acpi_pnp_match(struct struct pnp_dev *pnp = _pnp; /* true means it matched */ - return !acpi->physical_node_count - && compare_pnp_id(pnp->id, acpi_device_hid(acpi)); + return pnp->data == acpi; } static struct acpi_device * __init acpi_pnp_find_companion(struct device *dev) -- 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/