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In-Reply-To: <20100316105358.0831df27@redhat.com>
Subject: Re: [Qemu-devel] wake-on-lan & IPMI implementation; real power-off
	and -no-shutdown
From: "=?utf-8?q?Fran=C3=A7ois?= Revol" <revol@free.fr>
Date: Tue, 16 Mar 2010 15:26:14 +0100 CET
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To: qemu-devel@nongnu.org

> > > Also, it seems -no-shutdown doesn't actually "stop the emulation" 
> > > as
> > > said in the manual, it actually keeps the vm running (and using 
> > > cpu),
> > > despite the OS trying to shutdown via ACPI. At least I tested so 
> > > with
> > > Haiku (and acpi=3Dtrue in kernel config), which properly exits QEMU
> > > without -no-shutdown.
> > 
> > Hmm, I think -no-shutdown should at least stop the CPUs executing. 
> > It is
> > not really useful on its own though. The app managing QEMU would 
> > want to
> > use the new JSON based monitor to listen for the SHUTDOWN event to 
> > be
> > emitted, so it can detect the shutdown completing & then take 
> > action it
> > wants either reset the guest, or kill QEMU, etc
> 
>  If I'm not missing something, -no-shutdown calls vm=5Fstop(), which 
> calls
> pause=5Fall=5Fvcpus().

Oh indeed, "info status" shows the VM as "paused".
I was misled because the GUI window was still open...

Fran=C3=A7ois.