Review Request: Workaround for non-thread-safety of QDBusConnection

Peter Penz peter.penz19 at
Fri May 28 13:40:08 BST 2010

On Friday 28 May 2010 14:14:21 Sebastian TrĂ¼g wrote:
> On 05/28/2010 02:04 PM, Lubos Lunak wrote:
> >> I've seen krunner crashing because of this. That happens because the
> >> D-Bus calls are sent by several threads in response to the same event:
> >> the user typing.
> >> 
> >  KRunner auto-restarts and apparently the crash isn't that common. Not
> >  even
> > 
> > close to justifying doing anything special about it.
> It is not just KRunner. Dolphin crashes a lot due to that bug (less to
> not at all with my workaround though),

Konqueror with enabled tooltips is also affected and crashes a lot because of 
this bug.

> the activity manager crashes, the
> nepomuk filewactch service crashes. And those are only the ones I looked
> into. I think the problem is that before this no app really used DBus in
> a multithreaded situation.
> Cheers,
> Sebastian

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