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From: "Justin T. Gibbs" <gibbs@scsiguy.com>
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To: Richard Kojedzinszky <krichy@tvnetwork.hu>
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Cc: freebsd-xen@freebsd.org
Subject: Re: amd64 xen hvm shutdown
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On Feb 2, 2012, at 12:31 PM, Richard Kojedzinszky wrote:

> Dear users,
>=20
> I am trying to compare the 8.2 i386 PV mode and 9.0 amd64 hvm mode, =
regarding
>=20
> $ xm shutdown
>=20
> from outside.
>=20
> While 8.2 PV shuts down well, 9.0 hvm does not. Is it an issue of the =
xen hypervisor, or of freebsd?
>=20
> What experience do others have?

If you are using a FreeBSD amd64 kernel with Xen PV drivers installed, =
shutdown behavior is controlled
by the PV "control" driver.  This driver notices updates to the =
"control/shutdown" node in the XenStore and
is supposed to act accordingly.  For a reboot or power off event, it =
simply calls
shutdown_nice(RB_POWEROFF|RB_HALT), or shutdown_nice(0) as appropriate.  =
If you can capture the
value of the shutdown node in the XenStore, it should be pretty easy to =
debug this.

--
Justin=