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Re: [Xen-devel] Xenbus behaviour

  • To: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Thu, 14 Dec 2006 08:24:06 +0000
  • Delivery-date: Thu, 14 Dec 2006 00:24:32 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AccfWThFdnvvQItMEduXcgANk04WTA==
  • Thread-topic: [Xen-devel] Xenbus behaviour

On 13/12/06 8:11 pm, "Glauber de Oliveira Costa" <gcosta@xxxxxxxxxx> wrote:

> I've noticed today that some xenbus state changes are reported twice, as
> in the follow example from dmesg:
> state is 4 (Connected), /local/domain/8/device/vif/4/state,
> /local/domain/8/device/vif/4/stateDele
> state is 4 (Connected), /local/domain/8/device/vif/4/state,
> /local/domain/8/device/vif/4/stateDele
> I'm not sure whether this is legal or a bug.

It's certainly legal, but a bit surprising and annoying. Only the 'state'
node is watched, so presumably it is getting written to twice?

 -- Keir

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