Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933214Ab2EXOjY (ORCPT ); Thu, 24 May 2012 10:39:24 -0400 Received: from mga01.intel.com ([192.55.52.88]:39028 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756192Ab2EXOjX (ORCPT ); Thu, 24 May 2012 10:39:23 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="170889804" Date: Thu, 24 May 2012 15:54:57 +0100 From: Alan Cox To: Sasha Levin Cc: Alan Cox , Ming Lei , Dave Jones , Linux Kernel , Greg Kroah-Hartman Subject: Re: 3.4+ tty lockdep trace Message-ID: <20120524155457.56e37df2@bob.linux.org.uk> In-Reply-To: References: <20120523002645.GA3490@redhat.com> <20120524121056.24fbdcdb@pyramind.ukuu.org.uk> Organization: Intel X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Organisation: Intel Corporation UK Ltd, registered no. 1134945 (England), Registered office Pipers Way, Swindon, SN3 1RJ Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1151 Lines: 32 On Thu, 24 May 2012 13:24:56 +0200 Sasha Levin wrote: > On Thu, May 24, 2012 at 1:21 PM, Sasha Levin > wrote: > > On Thu, May 24, 2012 at 1:20 PM, Sasha Levin > > wrote: > >> On Thu, May 24, 2012 at 1:10 PM, Alan Cox > >> wrote: > >>>> I'm still seeing the warning with this patch: > >>> > >>> Can you attach the trace that went with the trigger as well ? > >> > >> Ofcourse, attached as a file. > > > > Heh, this was a different one as well. I'll try to get the one I got > > in the morning again. > > And here is the second one attached as well, so these are two > different warnings I get with the new version. I'm somewhat baffled by this one. Can lockdep be fooled by an object being freed and reallocated at the same address, Is there any markup that should be present to avoid that ? Alan -- 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/