From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: hard hang through qdisc Date: Thu, 31 Jan 2008 16:12:22 +0100 Message-ID: <47A1E556.3050900@trash.net> References: <200801311321.01015.ak@suse.de> <47A1CD4E.7050701@trash.net> <47A1D4F2.6080904@trash.net> <200801311604.28110.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: hadi@cyberus.ca, netdev@vger.kernel.org To: Andi Kleen Return-path: Received: from stinky.trash.net ([213.144.137.162]:51370 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753566AbYAaPMc (ORCPT ); Thu, 31 Jan 2008 10:12:32 -0500 In-Reply-To: <200801311604.28110.ak@suse.de> Sender: netdev-owner@vger.kernel.org List-ID: Andi Kleen wrote: >> Works for me: >> >> qdisc tbf 8001: root rate 1000bit burst 10b/8 mpu 0b lat 720.0ms >> Sent 0 bytes 0 pkt (dropped 9, overlimits 0 requeues 0) >> rate 0bit 0pps backlog 0b 0p requeues 0 >> >> Packets are dropped as expected. > > I can still reproduce it on 64bit with http://halobates.de/config-qdisc > (all qdiscs etc. compiled in for testing) > with latest git tip (8af03e782cae1e0a0f530ddd22301cdd12cf9dc0) > > The command line above causes an instant hang. Also tried it with > newer iproute2 (the original one was quite old), but it didn't make > a difference. > > Perhaps it's related to what qdiscs are enabled? I'm also testing on 64 bit, with all qdiscs enabled as modules. > Can you please try with the above config? I'll give it a try later.