From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: NMI lockup, rb_insert_color, HTB, ifb Date: Wed, 25 Jun 2008 20:14:08 +0200 Message-ID: <48628AF0.4030907@gmail.com> References: <200806250900.10152.denys@visp.net.lb> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Denys Fedoryshchenko Return-path: Received: from wr-out-0506.google.com ([64.233.184.237]:51107 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751250AbYFYSLG (ORCPT ); Wed, 25 Jun 2008 14:11:06 -0400 Received: by wr-out-0506.google.com with SMTP id 69so2655540wri.5 for ; Wed, 25 Jun 2008 11:11:03 -0700 (PDT) In-Reply-To: <200806250900.10152.denys@visp.net.lb> Sender: netdev-owner@vger.kernel.org List-ID: Denys Fedoryshchenko wrote, On 06/25/2008 08:00 AM: > Kernel is vanilla, with HTB hysteresis changed to 0 (i guess in this git it is not patched like that by default). > Version 2.6.26-rc6-git2 > > This bug very rare and happening on router only sometimes, once per 3-4 days, but it is hitting the router and sometimes crashing it critically. > Not always NMI watchdog can reboot it, and on this chipset iTCO_wdt not functional :-( > I was hunting for this panic message last 1-2 month. > Hi Denys, I think, you could try with CONFIG_DEBUG_OBJECTS_TIMERS (unless it's on already). Regards, Jarek P.