Deadlock in kded whith Qt 5.6

[Aleix Pol]

On Mon, Jan 18, 2016 at 9:23 AM, David Faure <faure at kde.org> wrote:
> 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.

It's good to know there's a plan, would it maybe be possible to expand
a bit? I'd be interested in looking into it as my system is quite
unusable and I can expect other people will become soon enough.

Aleix