Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756314Ab3IEV0b (ORCPT ); Thu, 5 Sep 2013 17:26:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53929 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753065Ab3IEV0a (ORCPT ); Thu, 5 Sep 2013 17:26:30 -0400 Date: Thu, 5 Sep 2013 17:26:06 -0400 From: Dave Jones To: Russell King - ARM Linux , Greg KH , Rusty Russell , Linux Kernel Mailing List Subject: Re: kobject: delayed kobject release: help find buggy drivers Message-ID: <20130905212606.GA22584@redhat.com> Mail-Followup-To: Dave Jones , Russell King - ARM Linux , Greg KH , Rusty Russell , Linux Kernel Mailing List References: <20130903185924.046EE660E91@gitolite.kernel.org> <20130903204442.GA22222@redhat.com> <20130903205527.GA6358@kroah.com> <87zjrt6tz4.fsf@rustcorp.com.au> <20130905041338.GA21090@redhat.com> <20130905045745.GA18876@kroah.com> <20130905051945.GB23209@redhat.com> <20130905173540.GK6617@n2100.arm.linux.org.uk> <20130905192917.GA9339@redhat.com> <20130905211113.GA22201@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130905211113.GA22201@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 891 Lines: 24 On Thu, Sep 05, 2013 at 05:11:13PM -0400, Dave Jones wrote: > > Trying without serial console next.. > > rebuilt with all serial turned off. > > no luck, then it oopses somewhere else. I'm suspecting something isn't > right with that debug patch, as the next trace is also in kobject_release I managed to get to userspace on one boot, and got this. kobject ffff88023d93f518 has been corrupted (magic 0x6b6b6b6b). Please enable kobject debugging for full debug. That looks like SLAB_POISON. Incompatibility between the two options ? For some reason, even though I have DEBUG_KOBJECT on, I didn't get extra messages output. Dave -- 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/