From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: Re: BUG: unable to handle kernel NULL pointer dereference in qfq_dequeue() Date: Fri, 12 Oct 2012 09:25:04 +0800 Message-ID: <1350005104.31369.0.camel@cr0> References: <1349687756.2707.21.camel@cr0> <1349944709.3412.2.camel@cr0> <1349967908.21172.9459.camel@edumazet-glaptop> <1349968843.21172.9508.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: stephen hemminger , "David S. Miller" , netdev@vger.kernel.org, Thomas Graf , rizzo@iet.unipi.it To: Eric Dumazet Return-path: Received: from mx1.redhat.com ([209.132.183.28]:53516 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754400Ab2JLBZS (ORCPT ); Thu, 11 Oct 2012 21:25:18 -0400 In-Reply-To: <1349968843.21172.9508.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 2012-10-11 at 17:20 +0200, Eric Dumazet wrote: > > I just realize its a 2.6.32 redhat kernel, while QFQ is a 3.0 addition. > > Can you reproduce the bug on current kernel (3.6 or git tree) > Sure, the gdb backtrace is from the latest -net kernel.