Comment # 15 on bug 1177395 from Jonathan Kang

(In reply to Chris Schaller from comment #14)
> (In reply to Jonathan Kang from comment #13)
> 
> > I don't find anything particularly wrong in the logs. PackageKit did finish a
> > few transactions(refresh-cache, get-updates) when GNOME Software is starting
> > up
> > in the background.
> > 
> > Somehow PackageKit quits after idling for 300-ish seconds. I remember that
> > should be 15. Can you show the content of your
> > /etc/PackageKit/PackageKit.conf?
> 
> That files is untouched:

That logs indicates PackageKit quits after idling for 5 minutes somehow.
> 
> Had my laptop running for 2 days (no suspend/resume) and no issues with
> gnome-software.  On both days I received an update notification.
> Looks like a race condition / lockup when suspending/resuming or freshly
> booting.

>From your previous descriptions, it seems that GNOME Software unable to start
PackageKit when PK daemon quits after idling for a while.