[Webkit-unassigned] [Bug 217183] [iOS 14] Hang in -[WKUserDefaults _notifyObserversOfChangeFromValuesForKeys:toValuesForKeys:]

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217183

--- Comment #6 from Per Arne Vollan <pvollan at apple.com> ---
(In reply to Ali Juma from comment #5)
> (In reply to Per Arne Vollan from comment #4)
> > > (In reply to Brent Fulgham from comment #2)
> > > > (In reply to Ali Juma from comment #0)
> > > > > Chrome for iOS is getting a significant number of hang reports in
> > > > > -[WKUserDefaults _notifyObserversOfChangeFromValuesForKeys:toValuesForKeys:]
> > > > > on iOS 14.
> > > > 
> > > > Do you have any visibility into what preference is being accessed?
> > > 
> > > No, the crash reports we have don't contain that.
> > 
> > Ali, is this a crash or a hang?
> 
> It's a hang (meant to say "hang reports" rather than "crash reports").

Thanks! Do you have information about the hang time, for example average, max, and min?

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