long running sessions, restarts, etc.

[Colin Walters]

On Tue, Sep 29, 2009 at 6:51 PM, Bill Nottingham <notting at redhat.com> wrote:

> Colin Walters (walters at verbum.org) said:
> > For system-level services, we have the idea of try-restart on upgrades;
> if
> > > the service is running, we automatically restart it on upgrade.
> >
> >
> > How does that work?  Obviously you can't restart packagekitd while it's
> in
> > the middle of upgrading.  Another one you obviously can't just kill and
> > restart is libvirtd.
>
> Actually, libvirtd does restart on upgrade. It's implemented in the
> init scripts.
>

But...hm, ok, so all of the state is in the config data/cache, and child
qemu processes I guess.  The real point here is the qemu processes.

> The live replace files on disk part of upgrade is also problematic, and is
> > actually the most broken thing relating to updates we have right now.
>  For
> > this reason among others I think we should move to installing updates
> > immediately before logout/reboot.
>
> Really? I think we're moving more towards a model on mobile devices where
> there *is* no logout/reboot except by accident in a large number of cases.


The update system should prompt to start installing updates and
automatically do a logout/reboot as necessary.
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