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Re: [Libguestfs] [PATCH 3/4] Shut down the appliance cleanly

On Thu, Aug 26, 2010 at 12:12:00PM +0100, Matthew Booth wrote:
> +    /* We actually hard reboot here rather than power off. For some reason
> +     * reboot causes the qemu process to die, whereas poweroff doesn't.
> +     *
> +     * This should not return */
> +    reboot(RB_AUTOBOOT);

We run qemu with -no-reboot which turns reboots into poweroffs.

As to why poweroff doesn't work, I'd guess it's something to do with
the fact that we disable ACPI support in the kernel.

> +    perror("Power off failed");
> +    return 1;

This should probably be exit (or return) EXIT_FAILURE.

This patch now looks good in general.  I'm going to play with it on my
machine to make sure it works and there are no regressions that I can


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-top is 'top' for virtual machines.  Tiny program with many
powerful monitoring features, net stats, disk stats, logging, etc.

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