From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756729Ab1HFTfs (ORCPT ); Sat, 6 Aug 2011 15:35:48 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:51719 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756537Ab1HFTfr (ORCPT ); Sat, 6 Aug 2011 15:35:47 -0400 From: "Rafael J. Wysocki" To: Alan Stern Subject: Re: [linux-pm] Crash when suspending Lenovo T510 laptop (2.6.39.3) Date: Sat, 6 Aug 2011 21:36:59 +0200 User-Agent: KMail/1.13.6 (Linux/3.0.0+; KDE/4.6.0; x86_64; ; ) Cc: Jesper Juhl , Len Brown , linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201108062136.59218.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, August 05, 2011, Alan Stern wrote: > On Fri, 5 Aug 2011, Rafael J. Wysocki wrote: > > > > You're right, sorry. System suspend was not involved, so the problem > > > was triggerend by runtime suspend alone, resulting from unplugging the > > > Ethernet cable. > > > > > > It looks like the crash started in pci_disable_msi(). > > > > OTOH, I'm not sure how pci_legacy_suspend_late() was called. > > In theory it is only called by the system suspend code and it surely > > is not called for e1000e. > > The ? indicates that pci_legacy_suspend_late() wasn't necessarily on > the task's call stack; it may simply have been a leftover pointer from > some other operation, sitting somewhere in the middle of the stack > page. However, Jesper said the crash happend during suspend, so I wonder how that might be present on the stack while executing runtime PM routines? Rafael