Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754242AbaG2Vwe (ORCPT ); Tue, 29 Jul 2014 17:52:34 -0400 Received: from mail-qa0-f48.google.com ([209.85.216.48]:41748 "EHLO mail-qa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752073AbaG2Vwd (ORCPT ); Tue, 29 Jul 2014 17:52:33 -0400 MIME-Version: 1.0 In-Reply-To: <2026468.U7VDB8Dm9m@vostro.rjw.lan> References: <5386F2C7.8080400@redhat.com> <2026468.U7VDB8Dm9m@vostro.rjw.lan> Date: Tue, 29 Jul 2014 14:52:32 -0700 Message-ID: Subject: Re: WARNING: CPU: 0 PID: 2623 at drivers/pnp/pnpacpi/core.c:96 pnpacpi_set_resource From: Vinson Lee To: "Rafael J. Wysocki" Cc: William Dauchy , Zdenek Kabelac , "Rafael J. Wysocki" , LKML , ACPI Devel Maling List 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 Tue, Jul 29, 2014 at 2:10 PM, Rafael J. Wysocki wrote: > 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-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Yes, with the patch on top of 3.16-rc7 I do not see the warning. -- 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/