On Tue 2017-10-03 22:38:33, Jiri Kosina wrote:
> On Tue, 3 Oct 2017, Pavel Machek wrote:
> 
> > > This point I don't understand. What exactly do you mean?
> > 
> > Hibernation:
> > 
> > We freeze, do system snapshot, unfreeze, and write image to
> > disk. 
> 
> Where/why do you unfreeze between creating the snapshot and writing it 
> out?

Yep, sorry, we don't unfreeze.

> Again, I agree that the (rare) kthreads that are actually "creating" new 
> I/O have to be somehow frozen and require special care.

Agreed. Was any effort made to identify those special kernel threads?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html