From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: hard hang through qdisc Date: Thu, 31 Jan 2008 13:21:00 +0100 Message-ID: <200801311321.01015.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from ns.suse.de ([195.135.220.2]:51732 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761334AbYAaMVF (ORCPT ); Thu, 31 Jan 2008 07:21:05 -0500 Received: from Relay1.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id 64DC027A20 for ; Thu, 31 Jan 2008 13:21:04 +0100 (CET) Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: I just managed to hang a 2.6.24 (+ some non network patches) kernel with the following (non sensical) command tc qdisc add dev eth0 root tbf rate 1000 burst 10 limit 100 No oops or anything just hangs. While I understand root can do bad things just hanging like this seems a little extreme. -Andi