[Bridge] unregister_netdevice: waiting for br0 to become free. Usage count = 1 (

Stephen Hemminger shemminger at osdl.org
Thu Sep 1 09:24:53 PDT 2005

On Wed, 31 Aug 2005 23:33:22 -0700
Robert Scott <rbscott at axentra.net> wrote:

> > Two other recent reports are:
> > 1. Buggy applications that hold packets in their input queue forever,
> >    and/or netfilters.  The socket buffer's contain a reference for
> >    packets in flight.
> that may be it, but I am not sure which queue you are talking about,  
> but there is an application that is using the netfiler ip_queue to  
> queue packets to user space.  in this application, these packets can  
> be held in user space for extended periods of time (up to 30/60  
> seconds), and then they are either dropped or released.  Could this  
> possibly be creating a problem?

That could be it, ask Patrick McHardy, Harald, or netfilter-devel

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