From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: PROBLEM: kernel lockup while changing TC rules Date: Sat, 3 May 2008 14:11:31 +0200 Message-ID: <20080503121130.GA2921@ami.dom.local> References: <20080503071651.GA3313@ami.dom.local> <481C33D2.2090308@ya.bofh.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Jan 'yanek' Bortl Return-path: Received: from nf-out-0910.google.com ([64.233.182.189]:46251 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754820AbYECMMi (ORCPT ); Sat, 3 May 2008 08:12:38 -0400 Received: by nf-out-0910.google.com with SMTP id d3so827688nfc.21 for ; Sat, 03 May 2008 05:12:37 -0700 (PDT) Content-Disposition: inline In-Reply-To: <481C33D2.2090308@ya.bofh.cz> Sender: netdev-owner@vger.kernel.org List-ID: On Sat, May 03, 2008 at 11:43:46AM +0200, Jan 'yanek' Bortl wrote: > Jarek Poplawski wrote: >> Jan 'yanek' Bortl wrote, On 05/01/2008 05:49 PM: >> >>> Hi, >> >> Hi, >>> I have found this problem with today's git (2.6.25-00000-ge4c576b) and 2.6.25: >> >> Does this mean the bug triggers in 2.6.25 and later, but not in 2.6.24? >> If so, is it possible to reproduce this e.g. with 2.6.25-rc6? > > I firstly discovered this on 2.6.22-6~bpo40+1 (debian's backports), but > I'm not sure if that was same thing (it is long ago). > > Now i tested on test machine with these kernels: > 2.6.24, 2.6.24.6 > (http://ya.bofh.cz/archive/kernel-2.6-htbcrash/2/netconsole-2.6.24.6-slon.txt), > 2.6.25 > > I can test anything you want. Great! I really appreciate! You're very helpful in catching this rare bug. Alas, there is still nothing obvious at least to me, so I need more time for any idea... BTW, one little doubt: are you really sure vanilla 2.6.24 (without .6 etc.) gives the same? (There were some changes backported from 2.6.25 which I'd like to exclude.) Regards, Jarek P.