From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Lezcano Subject: Re: Kernel panic in inet_twdr_do_twkill_work Date: Sun, 24 May 2009 15:26:33 +0200 Message-ID: <4A194B09.7070900@free.fr> References: <4A0BCE0E.3000206@free.fr> <4A0BD750.4030605@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, "Denis V. Lunev" To: "Eric W. Biederman" Return-path: Received: from mtagate6.de.ibm.com ([195.212.29.155]:40305 "EHLO mtagate6.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752404AbZEXN13 (ORCPT ); Sun, 24 May 2009 09:27:29 -0400 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate6.de.ibm.com (8.14.3/8.13.8) with ESMTP id n4ODQZhu448086 for ; Sun, 24 May 2009 13:26:35 GMT Received: from d12av04.megacenter.de.ibm.com (d12av04.megacenter.de.ibm.com [9.149.165.229]) by d12nrmr1607.megacenter.de.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4ODQZpx3018756 for ; Sun, 24 May 2009 15:26:35 +0200 Received: from d12av04.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av04.megacenter.de.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4ODQZKn025702 for ; Sun, 24 May 2009 15:26:35 +0200 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Eric W. Biederman wrote: > Daniel Lezcano writes: > > >> May be you can activate the NETNS_REFCNT_DEBUG in order to check if the timewait >> socket >> were destroyed at the namespace destruction ? Unfortunately it looks like the >> option is not in the Kconfig :( >> > > Looks like a good starting place. > > I will enable that when I respin my internal kernel. > > I don't have a good reproducer at the moment.... So I was hoping we could > figure this out with code inspection. > Hi Eric, did you succeeded to reproduce the bug with the test program I sent you ?