Re: RFC: Self-snapshotting in Linux

[Pavel Machek <pavel@ucw.cz>]

> Ben Nizette wrote:
> > On Wed, 2008-04-16 at 16:44 +0800, Peter Teoh wrote:
> > > Essentially, to reiterate the key idea:   able to snapshot the current
> > > kernel+userspace permanent.....restore from another snapshot....and
> > > then switch back again if needed etc.....will the implementation be
> > > difficult...if not impossible????
> > >
> >
> > As I see it the main thing is that VMWare doesn't have to worry about
> > trying to put hardware in to (and pull out of) low power modes.  VMWare
> > hardware is never left in an undefined state by poorly written drivers
> > etc.
> >
> > I think hibernation is about what you want; snapshotting as you describe
> > it should fall down for about the same reasons
> 
> I guess there is the hardware / drivers issue.  I would like to claim
> I've found hibernation to be reliable but unfortunately that's not
> 100% true.  

So debug it, it is open source after all. Or at least file a bugs.

									Pavel

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