From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757409AbYCaRny (ORCPT ); Mon, 31 Mar 2008 13:43:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753686AbYCaRnq (ORCPT ); Mon, 31 Mar 2008 13:43:46 -0400 Received: from E23SMTP01.au.ibm.com ([202.81.18.162]:54314 "EHLO e23smtp01.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753093AbYCaRnq (ORCPT ); Mon, 31 Mar 2008 13:43:46 -0400 Message-ID: <47F122CB.4000702@linux.vnet.ibm.com> Date: Mon, 31 Mar 2008 23:13:39 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.14ubu (X11/20080306) MIME-Version: 1.0 To: kernel list CC: Ingo Molnar , stable@kernel.org, greg@kroah.com, Andy Whitcroft , Balbir Singh Subject: [BUG] 2.6.24.4 kernel warning at kernel/lockdep.c:2662 check_flags() Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Kernel warning is seen while booting up 2.6.24.4 kernel on x86_64 box with the CONFIG_DEBUG_LOCKDEP enabled. WARNING: at kernel/lockdep.c:2662 check_flags() Pid: 0, comm: swapper Not tainted 2.6.24.4 #1 Call Trace: [] check_flags+0xc6/0x19e [] lock_acquire+0x53/0xb2 [] __atomic_notifier_call_chain+0x50/0xaf [] mwait_idle+0x0/0x50 [] atomic_notifier_call_chain+0xf/0x11 [] __exit_idle+0x27/0x29 [] cpu_idle+0xa8/0xe2 [] start_secondary+0x3c6/0x3d5 possible reason: unannotated irqs-on. irq event stamp: 720 hardirqs last enabled at (719): [] trace_hardirqs_on_thunk+0x35/0x3a hardirqs last disabled at (720): [] cpu_idle+0x9c/0xe2 softirqs last enabled at (718): [] __do_softirq+0xd9/0xe2 softirqs last disabled at (713): [] call_softirq+0x1c/0x28 -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.