Application: knotify4 (4.14.9)
KDE Platform Version: 4.14.9 (Compiled from sources)
Qt Version: 4.8.6
Operating System: Linux 3.16.7-35-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Just logging in. It re-appears.
Message of KNotify
Executable: knotify4 PID: 4356 Segmentation fault (11) Time: 2016-03-15 09:48:08

The crash can be reproduced every time.

-- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f48583c0800 (LWP 4253))]

Thread 3 (Thread 0x7f4844a59700 (LWP 4254)):
#0  0x00007f48555a5bdd in poll () at /lib64/libc.so.6
#1  0x00007f4852c0fbe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f4852c0fcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f4855d290de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f4855cfae6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f4855cfb165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f4855bf80bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f4855cdc783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f4855bfa79f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f485362c0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f48555ae00d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f4834d8e700 (LWP 4255)):
#0  0x00007f48555a5bdd in poll () at /lib64/libc.so.6
#1  0x00007f4835299268 in  () at /usr/lib64/libusb-1.0.so.0
#2  0x00007f485362c0a4 in start_thread () at /lib64/libpthread.so.0
#3  0x00007f48555ae00d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f48583c0800 (LWP 4253)):
[KCrash Handler]
#5  0x00007f48555ecfec in __strcmp_ssse3 () at /lib64/libc.so.6
#6  0x00007f4832627fee in QMetaType::registerNormalizedType(QByteArray const&, void (*)(void*), void* (*)(void const*), void (*)(void*), void* (*)(void*, void const*), int, QFlags<QMetaType::TypeFlag>, QMetaObject const*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4832b27f57 in  () at /usr/lib64/libQt5Gui.so.5
#8  0x00007f48582448ea in call_init.part () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f48582449d3 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f4858248b08 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f48582447a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f48582482fb in _dl_open () at /lib64/ld-linux-x86-64.so.2
#13 0x00007f4850d8602b in dlopen_doit () at /lib64/libdl.so.2
#14 0x00007f48582447a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#15 0x00007f4850d865dd in _dlerror_run () at /lib64/libdl.so.2
#16 0x00007f4850d860c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#17 0x00007f483f8856af in  () at /usr/lib64/libvlccore.so.7
#18 0x00007f483f86ee7d in  () at /usr/lib64/libvlccore.so.7
#19 0x00007f483f86f177 in  () at /usr/lib64/libvlccore.so.7
#20 0x00007f483f86f3e9 in  () at /usr/lib64/libvlccore.so.7
#21 0x00007f483f86f654 in  () at /usr/lib64/libvlccore.so.7
#22 0x00007f483f86fba7 in  () at /usr/lib64/libvlccore.so.7
#23 0x00007f483f80751d in libvlc_InternalInit () at /usr/lib64/libvlccore.so.7
#24 0x00007f483f5d8623 in libvlc_new () at /usr/lib64/libvlc.so.5
#25 0x00007f483fb0aec9 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#26 0x00007f483faf0728 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007f483faf11eb in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f4855ce0641 in QPluginLoader::instance() () at /usr/lib64/libQtCore.so.4
#29 0x00007f484404ff8b in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#30 0x00007f4844050773 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007f485799bc76 in  () at /usr/lib64/libphonon.so.4
#32 0x00007f485799c317 in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon.so.4
#33 0x00007f485799c8e3 in  () at /usr/lib64/libphonon.so.4
#34 0x00007f48579949b9 in  () at /usr/lib64/libphonon.so.4
#35 0x00007f4857992896 in  () at /usr/lib64/libphonon.so.4
#36 0x000000000040e771 in _start ()

Reported using DrKonqi