From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lamparter Subject: [BUG] bridge leaks 3 references on lo per up&down Date: Wed, 28 Jul 2010 11:58:25 +0200 Message-ID: <20100728095825.GC13413@jupiter.n2.diac24.net> References: <20100727152514.GA13413@jupiter.n2.diac24.net> <20100727100249.51ffc893@nehalam> <20100728074428.GB13413@jupiter.n2.diac24.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Stephen Hemminger , bridge@lists.linux-foundation.org To: netdev@vger.kernel.org Return-path: Received: from spaceboyz.net ([87.106.131.203]:58019 "EHLO spaceboyz.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752934Ab0G1J6d (ORCPT ); Wed, 28 Jul 2010 05:58:33 -0400 Content-Disposition: inline In-Reply-To: <20100728074428.GB13413@jupiter.n2.diac24.net> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, Jul 28, 2010 at 09:44:28AM +0200, David Lamparter wrote: > On Tue, Jul 27, 2010 at 10:02:49AM -0700, Stephen Hemminger wrote: > > David Lamparter wrote: > > > unregister_netdevice: waiting for lo to become free. Usage count = 4 > > > > > > unshare -n -- /bin/bash -c 'ip link add link lo veth0 type veth peer > > > name veth3 netns 1; brctl addbr br0; ip l s br0 up; ip a l; sleep 8' When I do unshare -n -- /bin/bash -c 'ip link add link lo veth0 type veth peer name veth3 netns 1; brctl addbr br0; \ ip l s br0 up; sleep 8; ip l s br0 down; sleep 1; ip l s br0 up; sleep 8;' I get "usage count = 7" on lo; when I add another up & down, I get "usage count = 10". 4 times makes it a merry 13 refs... -David