From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:32799 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751710AbaJMRLV (ORCPT ); Mon, 13 Oct 2014 13:11:21 -0400 Date: Mon, 13 Oct 2014 19:11:14 +0200 From: Alexander Aring Subject: Re: [PATCH v6 bluetooth-next] 6lowpan: Use skb_cow in IPHC decompression. Message-ID: <20141013171111.GA25249@omega> References: <1413194456-26351-1-git-send-email-martin.townsend@xsilon.com> <1413194456-26351-2-git-send-email-martin.townsend@xsilon.com> <1413200959.2705.90.camel@jrissane-mobl.ger.corp.intel.com> <543BCF44.1030001@xsilon.com> <1413211468.2705.104.camel@jrissane-mobl.ger.corp.intel.com> <543BE816.80304@xsilon.com> <1413212954.2705.106.camel@jrissane-mobl.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1413212954.2705.106.camel@jrissane-mobl.ger.corp.intel.com> Sender: linux-wpan-owner@vger.kernel.org List-ID: To: Jukka Rissanen Cc: Martin Townsend , Martin Townsend , linux-bluetooth@vger.kernel.org, linux-wpan@vger.kernel.org, marcel@holtmann.org Hi Jukka, On Mon, Oct 13, 2014 at 06:09:14PM +0300, Jukka Rissanen wrote: > Hi Martin, > > On ma, 2014-10-13 at 15:56 +0100, Martin Townsend wrote: > > Hi Jukka, > > > > Does this patch help? > > Unfortunately no, I still see inconsistent lock state. It would probably > have been too easy :) > I remeber something, I think 802.15.4 had similar issues long time ago. The fix was 20e7c4e80dcd01dad5e6c8b32455228b8fe9c619 ("6lowpan: fix lockdep splats"). Please check that, you need something like that! - Alex [0]