From mboxrd@z Thu Jan 1 00:00:00 1970 From: Badalian Vyacheslav Subject: Re: Tc bug (kernel crash) more info Date: Fri, 31 Aug 2007 16:14:25 +0400 Message-ID: <46D80621.7060504@bigtelecom.ru> References: <46D68937.7030305@bigtelecom.ru> <20070830123751.GA2778@ff.dom.local> <46D7BD75.3080008@bigtelecom.ru> <20070831075909.GA1772@ff.dom.local> <46D7D072.5060508@bigtelecom.ru> <20070831090509.GC1772@ff.dom.local> <46D7E050.1030303@bigtelecom.ru> <20070831101733.GA3108@ff.dom.local> <46D7F273.5010401@bigtelecom.ru> <46D7F4AB.10009@bigtelecom.ru> <20070831112815.GB3108@ff.dom.local> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Jarek Poplawski Return-path: Received: from mail.bigtelecom.ru ([87.255.0.61]:37811 "EHLO mail.bigtelecom.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964941AbXHaMO2 (ORCPT ); Fri, 31 Aug 2007 08:14:28 -0400 In-Reply-To: <20070831112815.GB3108@ff.dom.local> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Jarek Poplawski =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > On Fri, Aug 31, 2007 at 02:59:55PM +0400, Badalian Vyacheslav wrote: > =20 >> May be this bug eq "[PATCH] [NET_SCHED] sch_prio.c: remove duplicate= =20 >> call of tc_classify()"? >> >> =20 >>> I get kernel panic on 2.6.23-rc4-git2 >>> This is netconsole log! >>> =20 >> ... >> >> =20 > > So, it looks like you have found a really new (unknown) HTB bug, > congratulations! We've only to find where is it hidden now... > > I don't think tc_classify could do such a harm to HTB, and can't > see similar double calling as in sch_prio. > > Jarek P. > > =20 Great! +) I ready for patching and testing anything patches to find and fix probl= em =3D) Also i remember that bug up only if i delete HTB class and mashine have= =20 lot of traffic. I get statistic for last panic: Script try to delete 25278 classes, Creating 8360 classes. Adding 6732=20 filters Panic after 27 restarts of script.