From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] pkt_sched: fq: avoid hang when quantum 0 Date: Wed, 04 Feb 2015 20:08:07 -0800 (PST) Message-ID: <20150204.200807.1562005793209207889.davem@davemloft.net> References: <1422982158-12530-1-git-send-email-kennetkl@ifi.uio.no> <1422985569.907.27.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: kennetkl@ifi.uio.no, netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:40919 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751419AbbBEEIK (ORCPT ); Wed, 4 Feb 2015 23:08:10 -0500 In-Reply-To: <1422985569.907.27.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Tue, 03 Feb 2015 09:46:09 -0800 > On Tue, 2015-02-03 at 17:49 +0100, Kenneth Klette Jonassen wrote: >> Configuring fq with quantum 0 hangs the system, presumably because of a >> non-interruptible infinite loop. Either way quantum 0 does not make sense. >> >> Reproduce with: >> sudo tc qdisc add dev lo root fq quantum 0 initial_quantum 0 >> ping 127.0.0.1 >> >> Signed-off-by: Kenneth Klette Jonassen >> --- > > Acked-by: Eric Dumazet Applied, thanks.