Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754264AbZKLUvp (ORCPT ); Thu, 12 Nov 2009 15:51:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753739AbZKLUvk (ORCPT ); Thu, 12 Nov 2009 15:51:40 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:43779 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753441AbZKLUvk (ORCPT ); Thu, 12 Nov 2009 15:51:40 -0500 From: "Rafael J. Wysocki" To: Thomas Gleixner Subject: Re: GPF in run_workqueue()/list_del_init(cwq->worklist.next) on resume (was: Re: Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt_count leakage in keventd) Date: Thu, 12 Nov 2009 21:53:12 +0100 User-Agent: KMail/1.12.1 (Linux/2.6.32-rc6-tst; KDE/4.3.1; x86_64; ; ) Cc: Oleg Nesterov , Linus Torvalds , Mike Galbraith , Ingo Molnar , LKML , pm list , Greg KH , Jesse Barnes , Tejun Heo References: <200911091250.31626.rjw@sisk.pl> <20091111171703.GA28506@redhat.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200911122153.12419.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 662 Lines: 18 On Thursday 12 November 2009, Thomas Gleixner wrote: > On Wed, 11 Nov 2009, Oleg Nesterov wrote: > > Well, yes. Because any buggy user can easily kill the system, and we > > constantly have the bugs like this one. > > > > I think we should teach workqueue.c to use debugobjects.c at least. > > Here you go. Would be interesting to know whether it catches the > problem at hand. How would I tell if it did? Rafael -- 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/