KAuth and KF5

[šumski]

On Wednesday 25 of June 2014 11:40:35 Milian Wolff wrote:
> On Tuesday 24 June 2014 23:44:12 Luca Beltrame wrote:
> > Hello,
> > 
> > currently, the KF5 version of KAuth is not quite usable as any helper
> > used by KAuth segfaults: the most notable is backlighthelper, which
> > always crashes at login.
> > 
> > According to some investigations made by a fellow openSUSE Community KDE
> > member, it crashes somewhere in Qt, in dbusInterfaceString().
> > I've tried myself to get a backtrace but gdb offers no stack
> > 
> > Given that the release is so close by and that KAuth is used by a lot of
> > pieces in the upcoming workspace release:
> > 
> > 1. How can this be debugged further?
> > 2. Has anyone been able to reproduce this?
> > 3. Is this something different entirely?
> > 
> > Basically this makes KAuth non-functional.
> > 
> > I'm hoping this is only a local issue, though, ;)
> 
> Just a quick question to make sure this is not the issue: Have you ruled
> out ABI/linker issues? I've seen a case where a kf5 app tried to load a
> Qt4 plugin/library, which lead to _very_ strange crashes. You can make
> sure that's not the case by doing something like ldd on any exe/lib
> involved. Furthermore, try "info shared" in gdb on crash.

Is not in this case. ATM we're using r118264 to avoid above situation...
Anyways, got now a better trace, seems it's comming from polkitqt1-authority 
destructor:
http://paste.opensuse.org/view/raw/45956382


Cheers,
Hrvoje
> Bye
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