From: Stephen Hemminger <shemminger@vyatta.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: network device reference leak with net-next
Date: Mon, 15 Nov 2010 11:10:24 -0800 [thread overview]
Message-ID: <20101115111024.3b3377be@nehalam> (raw)
In-Reply-To: <1289847840.2607.120.camel@edumazet-laptop>
On Mon, 15 Nov 2010 20:04:00 +0100
Eric Dumazet <eric.dumazet@gmail.com> wrote:
> Le lundi 15 novembre 2010 à 10:56 -0800, Stephen Hemminger a écrit :
> > This is a new regression (doesn't exist with 2.6.36)
> >
> > If I shutdown KVM instance with Virt manager, the virtual
> > interfaces in the bridge aren't getting cleaned up because
> > of leftover reference count.
> >
> >
> > [ 9781.050474] unregister_netdevice: waiting for vnet1 to become free. Usage count = 1
> > [ 9785.143400] virbr4: port 3(vnet6) entering forwarding state
> > [ 9785.177194] virbr4: port 3(vnet6) entering disabled state
> > [ 9785.201129] device vnet6 left promiscuous mode
> > [ 9785.201135] virbr4: port 3(vnet6) entering disabled state
> > [ 9791.286950] unregister_netdevice: waiting for vnet1 to become free. Usage count = 1
> > [ 9795.461526] unregister_netdevice: waiting for vnet6 to become free. Usage count = 1
> > [ 9801.523398] unregister_netdevice: waiting for vnet1 to become free. Usage count = 1
> > --
>
> Is the refcount stay forever to 1, or eventually reaches 0 ?
>
>
>
Stays 1 for as long as I waited about 10 minutes
--
next prev parent reply other threads:[~2010-11-15 19:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 18:56 network device reference leak with net-next Stephen Hemminger
2010-11-15 19:04 ` Eric Dumazet
2010-11-15 19:10 ` Stephen Hemminger [this message]
2010-11-15 23:18 ` John Fastabend
2010-11-15 23:25 ` Eric Dumazet
2010-11-16 2:06 ` David Miller
2010-11-16 19:21 ` Lorenzo Colitti
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