Re: [Xen-users] Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Jan 29, 2010 at 03:31:10PM +0100, Olivier B. wrote:
> Hi,
>
> I tried to upgrade my dom0 kernel from 2.6.31.6-dae-dom0-00751-g60e0545  
> to 2.6.31.6-dae-dom0-00757-ge65323d ; and domU doesn't start anymore.
>
> I obtain this error message :
> > root! noburo:/var/log/xen# time xm create /etc/xen/hel.cfg
> > Using config file "/etc/xen/hel.cfg".
> > Error: Device 0 (vif) could not be connected. Hotplug scripts not  
> working.
> >
> > real    1m41.491s
> > user    0m0.116s
> > sys    0m0.056s
>
> And the error is triggered after 100 seconds...
>
> I use Xen 3.4.2 (Debian amd64) in bridge mode, and a 2.6.31.12 vanilla  
> pv_ops kernel.
>
> In xen-hotplug.log I have only this line : Nothing to flush.
>
> And in xend.log I found that :
> [2010-01-29 15:26:12 6213] DEBUG (DevController:139) Waiting for devices  
> vif.
> [2010-01-29 15:26:12 6213] DEBUG (DevController:144) Waiting for 0.
> [2010-01-29 15:26:12 6213] DEBUG (DevController:629)  
> hotplugStatusCallback /local/domain/0/backend/vif/5/0/hotplug-status.
> [2010-01-29 15:27:52 6213] DEBUG (XendDomainInfo:2732)  
> XendDomainInfo.destroy: domid=5
>
>
>
> Is there a bug in last pv_ops dom0 kernel, or have I something to fix in  
> my setup ?
>

Do you have netback driver/module loaded?

Do you have udev installed? Start "udevmonitor" before you start the guest.. 
do you see hotplug events?

-- Pasi


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