Application: kfontinst (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-22-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I was installing some tipographic fonts (double click on the font-type file) and then, suddenly, the installer crashed. I was doing it this way instead of using the fonts manager systemsettings5 because it hangs when I try to install any font from it.

Note that font installer stands in the little window that says "Installing", and it never closes automatically as in KDE 4, forcing me to close the window manually.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Instalador de tipos de letra de KDE (kfontinst), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f27cc48f064 in KNotification::flags (this=this@entry=0x1f636d0) at ../../src/knotification.cpp:233
#7  0x00007f27cc4acee7 in NotifyByAudio::onAudioFinished (this=0x1e6b4a0) at ../../src/notifybyaudio.cpp:140
#8  0x00007f27cc4b35b5 in NotifyByAudio::qt_static_metacall (_o=_o@entry=0x1e6b4a0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=0, _a=_a@entry=0x7ffc364d4a40) at moc_notifybyaudio.cpp:83
#9  0x00007f27ce249fca in QMetaObject::activate (sender=0x221c970, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#10 0x00007f27c60b36ad in ?? () from /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#11 0x00007f27ce24aea1 in QObject::event (this=0x221c970, e=<optimized out>) at kernel/qobject.cpp:1239
#12 0x00007f27ced6105c in QApplicationPrivate::notify_helper (this=this@entry=0x1c3af00, receiver=receiver@entry=0x221c970, e=e@entry=0x229b940) at kernel/qapplication.cpp:3716
#13 0x00007f27ced66516 in QApplication::notify (this=0x7ffc364d5330, receiver=0x221c970, e=0x229b940) at kernel/qapplication.cpp:3499
#14 0x00007f27ce21b62b in QCoreApplication::notifyInternal (this=0x7ffc364d5330, receiver=0x221c970, event=event@entry=0x229b940) at kernel/qcoreapplication.cpp:965
#15 0x00007f27ce21da26 in QCoreApplication::sendEvent (event=0x229b940, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1c34700) at kernel/qcoreapplication.cpp:1593
#17 0x00007f27ce21df08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#18 0x00007f27ce271673 in postEventSourceDispatch (s=0x1c71fd0) at kernel/qeventdispatcher_glib.cpp:271
#19 0x00007f27c8848127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f27c8848380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f27c884842c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f27ce271a7f in QEventDispatcherGlib::processEvents (this=0x1c70090, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#23 0x00007f27ce218dea in QEventLoop::exec (this=this@entry=0x7ffc364d5000, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#24 0x00007f27cef5bc7d in QDialog::exec (this=0x1e6bc40) at dialogs/qdialog.cpp:541
#25 0x0000000000411645 in KFI::CJobRunner::exec(KFI::CJobRunner::ECommand, QList<KFI::CJobRunner::Item> const&, bool) ()
#26 0x00000000004162de in KFI::CInstaller::install(QSet<QUrl> const&) ()
#27 0x000000000040c4b3 in main ()

Possible duplicates by query: bug 361474, bug 360449, bug 357826, bug 357668, bug 354518.

Reported using DrKonqi