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SubjectRe: [PATCH 2/4] xen/manage: Poweroff forcefully if user-space is not yet up.
On 08/11/13 17:38, Konrad Rzeszutek Wilk wrote:
> The user can launch the guest in this sequence:
>
> xl create -p /vm.cfg [launch, but pause it]
> xl shutdown latest [sets control/shutdown=poweroff]
> xl unpause latest
> xl console latest [and see that the guest has completely
> ignored the shutdown request]
>
> In reality the guest hasn't ignored it. It registers a watch
> and gets a notification that there is value. It then calls
> the shutdown_handler which ends up calling orderly_shutdown.

Is this really a bug?.

From the xl(1) man page.

shutdown [OPTIONS] -a|domain-id
Gracefully shuts down a domain. This coordinates with the
domain OS to perform graceful shutdown, so there is no guarantee
that it will succeed, and may take a variable length of time
depending on what services must be shutdown in the domain.

Seems like ignoring a shutdown request when the guest cannot yet
shutdown gracefully is the expected behaviour.

This also doesn't seem sufficient. SYSTEM_RUNNING is set prior to
starting init in an initramfs and orderly_power_off(false) will still
likely fail at this point.

David


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