From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754843Ab2J3NLF (ORCPT ); Tue, 30 Oct 2012 09:11:05 -0400 Received: from 5350504D.static.ziggozakelijk.nl ([83.80.80.77]:44719 "EHLO ns2.tasking.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752220Ab2J3NLE (ORCPT ); Tue, 30 Oct 2012 09:11:04 -0400 X-Greylist: delayed 380 seconds by postgrey-1.27 at vger.kernel.org; Tue, 30 Oct 2012 09:11:03 EDT To: linux-kernel@vger.kernel.org Message-ID: <508FD068.2000903@tasking.nl> Date: Tue, 30 Oct 2012 14:04:40 +0100 From: Kees Bakker User-Agent: Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121011 Thunderbird/16.0.1 MIME-Version: 1.0 Cc: Stanislav Kinsbursky Subject: kernel BUG at fs/lockd/mon.c:150, was Re: [PATCH v2 3/3] lockd: create and ... References: <20120918093612.2469.94393.stgit@localhost.localdomain> <20120918093612.2469.94393.stgit@localhost.localdomain> <20120918093723.2469.47300.stgit@localhost.localdomain> In-Reply-To: <20120918093723.2469.47300.stgit@localhost.localdomain> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit NNTP-Posting-Host: 172.17.1.96 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18-09-12 11:37, Stanislav Kinsbursky wrote: > NSM RPC client can be required on NFSv3 umount, when child reaper is dying > (and destroying it's mount namespace). It means, that current nsproxy is set > to NULL already, but creation of RPC client requires UTS namespace for gaining > hostname string. > > This patch creates reference-counted per-net NSM client on first monitor > request and destroys it after last unmonitor request. > We're hitting the BUG_ON that was added in this patch. I've tried it with 3.6.3 and 3.6.4 It happens almost immediate when I do apt-get update (the archive is on NFS). -- Kees