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xen-devel
Re: [Xen-devel] xm list d flag?
Ewan Mellor wrote:
A "dying" domain is one that completed shutdown (be it a halt, reboot, crash,
or suspend) and that Xen is trying to destroy. If it cannot destroy it, then
that means that someone is holding references to pages that belong to it. For
example, if a driver backend fails to die, then the domain will stay around
(probably indefinitely). Such an occurrence is a bug.
One thing to consider is having the drivers destroy the backend devices
on a @releaseDomain watch instead of on the front-end path disappearing.
@releaseDomain wasn't available when the drivers were first written so
it wasn't an option then.
This means that Xend does not have to be involved at all in device
tear-down (except for the higher level stuff when the domain goes away
completely).
This should more or less solve the zombie domain problem for good.
Thoughts?
Regards,
Anthony Liguori
Ewan.
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