From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753323Ab3JYKsh (ORCPT ); Fri, 25 Oct 2013 06:48:37 -0400 Received: from mail-vb0-f45.google.com ([209.85.212.45]:52887 "EHLO mail-vb0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752926Ab3JYKsf (ORCPT ); Fri, 25 Oct 2013 06:48:35 -0400 MIME-Version: 1.0 In-Reply-To: References: <525BD08C.2080101@t-online.de> Date: Fri, 25 Oct 2013 11:48:35 +0100 X-Google-Sender-Auth: 4rnqZ-jUAE8ss-Huq9jnxBYlkA0 Message-ID: Subject: Re: [BUG 3.12.rc4] Oops: unable to handle kernel paging request during shutdown From: Linus Torvalds To: Thomas Gleixner Cc: Knut Petersen , Ingo Molnar , Paul McKenney , =?UTF-8?B?RnLDqWTDqXJpYyBXZWlzYmVja2Vy?= , Greg KH , linux-kernel 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 Fri, Oct 25, 2013 at 11:23 AM, Thomas Gleixner wrote: > > Enable DEBUG_OBJECTS, DEBUG_OBJECTS_FREE, DEBUG_OBJECTS_TIMERS Yes, but nobody has actually been able to trigger it with those. It's pretty rare, and the debug options are so expensive that they aren't reasonable to enable generally... So we need to try to figure out how to trigger it, or narrow things down some way.. Linus