Deadlock in kded whith Qt 5.6

David Faure faure at kde.org
Mon Jan 18 08:23:51 UTC 2016


On Friday 15 January 2016 13:48:14 Aleix Pol wrote:
> On Fri, Jan 15, 2016 at 1:02 PM, Aleix Pol <aleixpol at kde.org> wrote:
> > Hi,
> > I realized earlier last week that some of my applications were
> > freezing, it turns out it's because my kded is freezing and any dbus
> > calls there need to time out (they take 30s to time out btw).
> >
> > Anyway, here's the backtrace: https://paste.kde.org/pajbfmoh8
> >
> > I saw David did something in that direction earlier but I couldn't
> > spot exactly where's the problem, so I decided to report it here,
> > hoping he'd know what's going on. :D
> >
> > Thanks!!
> >
> > Aleix
> 
> Now that I know how to report a bug to kded5, I reported it. Here it
> is, for completion:
> https://bugs.kde.org/show_bug.cgi?id=358017

Thiago: indeed the BlockingQueuedConnection call from messageFilter to the
main thread occasionnally leads to deadlocks, we need your
"postpone incoming messages" idea.

-- 
David Faure, faure at kde.org, http://www.davidfaure.fr
Working on KDE Frameworks 5



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