From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756757AbZA0SDo (ORCPT ); Tue, 27 Jan 2009 13:03:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755932AbZA0SDg (ORCPT ); Tue, 27 Jan 2009 13:03:36 -0500 Received: from mga14.intel.com ([143.182.124.37]:59607 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755879AbZA0SDf (ORCPT ); Tue, 27 Jan 2009 13:03:35 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.37,333,1231142400"; d="scan'208";a="104299934" Subject: Re: [mmotm] Backtrace __change_page_attr_set_clr From: Suresh Siddha Reply-To: Suresh Siddha To: Andrew Morton Cc: "balbir@linux.vnet.ibm.com" , "linux-kernel@vger.kernel.org" , Ingo Molnar In-Reply-To: <20090127083705.56e210e6.akpm@linux-foundation.org> References: <20090127110823.GO504@balbir.in.ibm.com> <20090127083705.56e210e6.akpm@linux-foundation.org> Content-Type: text/plain Organization: Intel Corp Date: Tue, 27 Jan 2009 10:02:54 -0800 Message-Id: <1233079374.15801.46.camel@vayu> Mime-Version: 1.0 X-Mailer: Evolution 2.6.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2009-01-27 at 08:37 -0800, Andrew Morton wrote: > On Tue, 27 Jan 2009 16:38:23 +0530 Balbir Singh wrote: > > > Hi, Andrew, > > > > I see the following backtrace with 2009-01-16-16-18 > > > > ------------[ cut here ]------------ > > WARNING: at arch/x86/mm/pageattr.c:560 > > __change_page_attr_set_clr+0xdc/0x891() > > ... > > CPA: called for zero pte. vaddr = ffff8800cfee2000 cpa->vaddr = > > ffff8800cfee2000 > OK, thanks. It looks like you cc'ed the right person ;) > > The code in current linux-next has changed a bit since 16 Jan. > Hopefully this warning from dmidecode got fixed. This is fixed recently. In linus's git, commit a1e46212a410793d575718818e81ddc442a65283 thanks, suresh