Re: Suspend on one machine, resume elsewhere [was Re: [Swsusp-devel] RE:Re: Thoughts wanted on merging Softwa]

From: Antonio Vargas (
Date: Wed Jul 16 2003 - 17:39:35 EST

On Wed, Jul 16, 2003 at 08:17:24PM +0100, Alan Cox wrote:
> On Mer, 2003-07-16 at 19:15, Pavel Machek wrote:
> > Hi!
> >
> > > > If you want to migrate programs between machines, run UMLinux, same
> > > > config, on both machines. Ouch and you'll need swsusp for UMLinux, too
> > >
> > > That might be more important than you think.
> >
> > :-). Well, it is also harder than you probably think, because UML is
> > *very* strange architecture and it is not at all easy to save/restore
> > its state. There were some patches in that area, but it never worked
> > (AFAIK).
> Would it not be a lot easier to tackle that with qemu, and teach qemu to
> freeze/restore virtual machines ?

AFAIK, qemu does virtual processes, but not virtual machines. Running init(1)
from qemu could be fun, anyways ;)

Greets, Antonio.


In fact, this is all you need to know to be a Caveman Database Programmer:

A relational database is a big spreadsheet that several people can update simultaneously.

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