From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: Lockup with tun/tap/bridge interface deregistration. Date: Wed, 17 Dec 2008 12:23:50 +0000 Message-ID: <20081217122350.GA6480@ff.dom.local> References: <87fxkwhyyq.fsf@barad-dur.regala.cx> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, herbert@gondor.apana.org.au, kernel@gentoo.org To: Mathieu SEGAUD Return-path: Received: from mail-ew0-f17.google.com ([209.85.219.17]:65507 "EHLO mail-ew0-f17.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751040AbYLQMX6 (ORCPT ); Wed, 17 Dec 2008 07:23:58 -0500 Received: by ewy10 with SMTP id 10so4258023ewy.13 for ; Wed, 17 Dec 2008 04:23:56 -0800 (PST) Content-Disposition: inline In-Reply-To: <87fxkwhyyq.fsf@barad-dur.regala.cx> Sender: netdev-owner@vger.kernel.org List-ID: On 10-12-2008 15:44, Mathieu SEGAUD wrote: > Hi, > > we are experiencing some "virtual" network interfaces problem, especially > with tun/tap devices and with bridges, which occasionally get stuck and > won't deregister and hang the destroying process for very long time. ... > [] netdev_run_todo+0xf7/0x19d > [] br_del_bridge+0x48/0x4c [bridge] ... > (This one was obtained with kernel version 2.6.27.4) > I wonder if it's related but since it was originally reported for 2.6.24 kernel, and there was a substantial change around this in dst code, it would be very interresting to try 2.6.23 for this. Thanks, Jarek P.