Re: [Xen-devel] [PATCH] Prevent xend from starting duplicate domains

[David Hopwood <david.nospam.hopwood@xxxxxxxxxxxxxxxx>]

Dan Smith wrote:
> The attached patch puts a simple check in domain_create() which
> prevents starting a domain if there is already one of the same name in
> the domain list.
>
> This fixes the problem of getting the following error message from xm
> while creating a domain soon after destroying one with the same name:
>
>   xen.xend.XendProtocol.XendError: (3, 'No such process')
>
> Signed-off-by: Dan Smith <danms@xxxxxxxxxx>
Surely there's a race condition here? The hypervisor op that creates a domain
has to fail if it would result in two domains with the same name; this can't
be reliably enforced by a separate check in the Python tools.

--
David Hopwood <david.nospam.hopwood@xxxxxxxxxxxxxxxx>


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