Re: [Xen-devel] Re: unregister_netdevice: Waiting for vif7.0 to become free

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 23 May 2005, at 21:48, Paul Wagland wrote:

> > Anyway, whenever I shutdown my 7th domU (the one with id=7) then I get
> > the following error:
> >
> > Message from syslogd@kruimel at Mon May 23 19:20:35 2005 ...
> > kruimel kernel: unregister_netdevice: waiting for vif7.0 to become 
> > free. Usage count = 1
> Just so that everyone knows, and that this answer might be searchable 
> in the archives...
> I have (I think) found a solution. Do not bind xen-br0 to tap1.
>
> I have now just created a "naked" xen-br0, that is, one that is not 
> attached to any other interface, and it now appears to be OK. Whereas 
> before it would die whenever I shut down the last domU, now it appears 
> to be running smoothly.
> Thanks to knewt for the help!
That's a very weird bug. Did it occur only when you dropped vif7.0, or 
did it occur for whichever vif you happened to drop last?
 -- Keir


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