Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755838AbZGBLJy (ORCPT ); Thu, 2 Jul 2009 07:09:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752608AbZGBLJo (ORCPT ); Thu, 2 Jul 2009 07:09:44 -0400 Received: from mail-bw0-f225.google.com ([209.85.218.225]:42103 "EHLO mail-bw0-f225.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751955AbZGBLJn (ORCPT ); Thu, 2 Jul 2009 07:09:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=smnefIZyBYzmok+ZHww5iaNRT+e1IXdInwGeNOx7wQbYHskGNi27przXYeu1rP1vRG zft55PSKrXmJeZtKuNlPRu4y2ksU5TcdUI1E1o8YAf+z4yC1FSHbcHxF0yKamJB1nfTZ f4AvsVI6Ba6aEV+AZ04oOSeAUQBOWFwMeuFUw= Date: Thu, 2 Jul 2009 11:09:40 +0000 From: Jarek Poplawski To: Joao Correia Cc: LKML , netdev@vger.kernel.org, Stephen Hemminger , Patrick McHardy , Andres Freund Subject: Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 (possibly caused by netem) Message-ID: <20090702110940.GA7402@ff.dom.local> References: <4A4A9DD6.8060800@anarazel.de> <4A4BAD5F.7050908@gmail.com> <4A4BD384.3090407@anarazel.de> <4A4C0144.5070203@anarazel.de> <20090702093031.GC4954@ff.dom.local> <20090702101207.GA7056@ff.dom.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 980 Lines: 25 On Thu, Jul 02, 2009 at 11:51:56AM +0100, Joao Correia wrote: > Im getting this one too. On any .31-rc1-gitXX, it pops up a few > seconds after i turn traffic shaping on with tc/htb (no netem here). > Its easily reproducible on my end, turn on traffic shaping, get > traffic flowing, box freezes. No error message, nothing on logs, > although -sometimes- i get lockdep error messages on screen, but > scrolls too fast and box is otherwise unresponsive, so i can't get the > error out. > > This does not happen on 2.6.30 at all. > > Hope this helps. > > (i tried both CONFIG_PACKET_MMAP off and the patch, still happens). It helps for sure - to save on useless checking, and maybe reproduce too. Thank you very much Joao, Jarek P. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/