From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759437Ab3EBOG7 (ORCPT ); Thu, 2 May 2013 10:06:59 -0400 Received: from ud10.udmedia.de ([194.117.254.50]:44733 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758558Ab3EBOG6 (ORCPT ); Thu, 2 May 2013 10:06:58 -0400 Date: Thu, 2 May 2013 16:06:54 +0200 From: Markus Trippelsdorf To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org Subject: Re: WARNING: at kernel/cpu/idle.c:96 Message-ID: <20130502140654.GA509@x4> References: <20130430155203.GA512@x4> <20130502113011.GA508@x4> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2013.05.02 at 15:58 +0200, Thomas Gleixner wrote: > On Thu, 2 May 2013, Markus Trippelsdorf wrote: > > On 2013.05.02 at 12:43 +0200, Thomas Gleixner wrote: > > > On Tue, 30 Apr 2013, Markus Trippelsdorf wrote: > > > > > > > Just booted todays git tree and got the following warning: > > > > > > > > ------------[ cut here ]------------ > > > > WARNING: at kernel/cpu/idle.c:96 cpu_startup_entry+0x14d/0x160() > > > > Hardware name: System Product Name > > > > Pid: 0, comm: swapper/2 Not tainted 3.9.0-03462-gab86e97-dirty #424 > > > > Call Trace: > > > > smpboot: Booting Node 0, Processors #1 #2 > > > > [] ? warn_slowpath_common+0x60/0xa0 > > > > [] ? cpu_startup_entry+0x14d/0x160 > > > > ---[ end trace 40a24a5550891913 ]--- > > > > > > Fix below. > > > > Unfortunately the fix doesn't work: > > Moo. I missed amd_e400_idle() returning early w/o enabling interrupts. This fixes the issue. Thanks. -- Markus