[Lguest] [LGUEST] Basic Suspend and Resume Support

[Glauber de Oliveira Costa]

On Feb 2, 2008 10:41 PM, Mark Wallis <lguest at markwallis.id.au> wrote:
>
> On 02/02/2008, at 10:30 PM, Glauber de Oliveira Costa wrote:
>
> > One way to suspend all processes running in lguest userspace, at
> > once, is suspending lguest itself, i.e., stop scheduling it. It can be
> > done in the host itself, but putting it in a wait queue, but it's
> > probably easier to send a sigstop to the launcher
>
> Yes, I submitted a patch a couple of days ago that handled it like
> that by allowing you to tap CTRL-Z quickly three times. This put the
> lguest process itself to sleep.
>
> It would be good if "suspend" though wrote the entire state of the VM
> to disk on the host. That way you could reboot the host and restore
> the lguest VM from the suspend image.
>

This is interesting, but it would better be a separate operation.
It's nice to have a stop only semantics

-- 
Glauber de Oliveira Costa.
"Free as in Freedom"
http://glommer.net

"The less confident you are, the more serious you have to act."