From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754148AbXIPRxt (ORCPT ); Sun, 16 Sep 2007 13:53:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753917AbXIPRxj (ORCPT ); Sun, 16 Sep 2007 13:53:39 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:57054 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753892AbXIPRxi (ORCPT ); Sun, 16 Sep 2007 13:53:38 -0400 Date: Sun, 16 Sep 2007 19:54:25 +0200 From: Pavel Machek To: Stefan Richter Cc: Ben Collins , kernel list , linux1394-devel@lists.sourceforge.net Subject: Re: regression: fireware causes oops during system Message-ID: <20070916175424.GB11983@elf.ucw.cz> References: <20070911190043.GA1577@elf.ucw.cz> <1189537716.7620.192.camel@cunning> <46E6ECAA.30601@s5r6.in-berlin.de> <46E6F076.5000006@s5r6.in-berlin.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46E6F076.5000006@s5r6.in-berlin.de> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > >> On Tue, 2007-09-11 at 21:00 +0200, Pavel Machek wrote: > >>> I noticed empty suspend stopped working around 2.6.23-rc4, and it is > >>> still present in 2.6.23-rc6. > ... > >>> Unsetting > >>> > >>> CONFIG_IEEE1394=y > >>> > >>> solves the problem. > ... > > Between -rc3 and -rc4: > > ieee1394: sbp2: fix sbp2_remove_device for error cases > a2ee3f9bbb0ce57102dad8928d54f59acdc4b8f7 > should not occur in suspend path > > Between -rc1 and -rc2: > > ieee1394: sbp2: more correct Kconfig dependencies > e4f8cac5e07528f7e0bc21d3682c16c9de993ecb > unrelated > > ieee1394: revert "sbp2: enforce 32bit DMA mapping" > a9c2f18800753c82c45fc13b27bdc148849bdbb2 > unrelated > > (not via linux1394-2.6.git) > raw1394 __user annotation > 5b26e64ea39e45802c5736c8261bf8a8704d212f > unrelated > > So it must be something older which was somehow uncovered. > Dmesg with the oops or/and bisection would be good. Sorry, had to hand-copy. It is oops at virtual adddress 6b6b6b7b -- looks like slab poison to me? EIP is in task_rq_lock, backtrace is try_to_wake_up highlevel_host_reset ohci_irq_handler Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html