Re: [patch] qemu/kvm: use_system_powerdown instead of killing the vm hard

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On Wed, Jan 09, 2008 at 04:11:44PM +0100, Guido Guenther wrote:
> On Tue, Jan 08, 2008 at 06:34:36PM +0000, Daniel P. Berrange wrote:
> > Fair enough. Any idea if the 'system_reboot' command is also wired up
> > in KVM yet ?  We should probably just add code to call it anyway since
> > it'll be near identical code to that which you used for shutdown, and
> > its better than leaving domainReboot driver method as a no-op.
> There's no system_reboot in either kvm nor qemu. I see two solutions
> for wireing up domainReboot(). Either qemu/kvm accepts a parameter to

If I'm not mistaken, qemu/kvm has a system_reset command, which
does a reboot unless -no-reboot was specified in the command line.
(It is still brutal to the filesystem if the guest is not cooperative, of
course, but better than doing nothing)

> system_powerdown to signal that we should restart the vm instead of
> simply shutting down or we simply send 
> "sendkey ctrl-alt-delete"
> to the monitor which might be very fragile though. Both solutions depend
> on the os in the vm doing the right thing (acpi event handling in the
> first case).
> Cheers,
>  -- Guido

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