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 14:48:31 +0400 Message-ID: <46D7F1FF.1000101@bigtelecom.ru> References: <20070830001632.ki4u5bx9sow40o4s@mail.himki.net> <20070830063110.GB1677@ff.dom.local> <20070830072718.GC1677@ff.dom.local> <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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Jarek Poplawski Return-path: Received: from mail.bigtelecom.ru ([87.255.0.61]:36743 "EHLO mail.bigtelecom.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755058AbXHaKse (ORCPT ); Fri, 31 Aug 2007 06:48:34 -0400 In-Reply-To: <20070831101733.GA3108@ff.dom.local> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > But sometime a new kernel can break binary compatibility with previous > one (e.g. after data structures change) and e.g. iptables or iproute > tools stop working or work in an unpredictable way. There were a few > such changes before 2.6.20 - I don't track current changes too much. > And I'm sure your system uses much more than iptables or TC, even > without your knowledge. > I can rollback =) Backup system get all functions. I can risk for one system of two for get and fix all bugs. Dynamic routing work fine and automatic switch between systems = 1-4 seconds. >> I send to you all info that catch NETCONSOLE. i don't cut any info... >> > > So, it seems something was broken. But, I meant, there can be sometimes > interesting things a few lines before or after the infos too. > I can only see that say netconsole. If i look to monitor i look last lines. last line is "====...". Scrolling not work netconsole run as module and start after system do full load. Then netconsole is up - i run generator of tc scripts. > BTW, -git versions are usually more risky than -rc. And, maybe, let > this 2.6.18 better stay away from this testing... > I look changes between 2.6.23-rc4 and 2.6.23-rc4-git2 and think that paches look good and no do any critical things =) Now i do many script runs to simulate bug. if i get it on 2.6.23-rc4 - i post it here. 2.6.23-rc4 not have htb_timer function. Badalian Vyacheslav