Application: knotify4 (4.14.9)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 3.16.7-29-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I tried to open a "3gpp" file ("file" reports: FMRecording1264088757.3gpp: ISO Media, MPEG v4 system, 3GPP) from Android device in MTP mode.
Kaffeine started and came up with a popup "Cannot find plugin for ..."
At the same time, the crash reporter for knotify came up.

Reproduced 3 times. (out of 3 tries)

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 0x7f0f672be800 (LWP 2407))]

Thread 3 (Thread 0x7f0f537b4700 (LWP 2441)):
#0  0x00007f0f644a9c5d in poll () at /lib64/libc.so.6
#1  0x00007f0f61b13be4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0f61b13cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0f64c2c0de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f0f64bfde6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f0f64bfe165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f0f64afb0bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f0f64bdf783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f0f64afd79f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f0f625300a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0f644b208d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0f44875700 (LWP 2722)):
#0  0x00007f0f644a9c5d in poll () at /lib64/libc.so.6
#1  0x00007f0f44d80268 in  () at /usr/lib64/libusb-1.0.so.0
#2  0x00007f0f625300a4 in start_thread () at /lib64/libpthread.so.0
#3  0x00007f0f644b208d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0f672be800 (LWP 2407)):
[KCrash Handler]
#5  0x00007f0f644f0fe6 in __strcmp_ssse3 () at /lib64/libc.so.6
#6  0x00007f0f40dbbfee 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  0x00007f0f412bbf57 in  () at /usr/lib64/libQt5Gui.so.5
#8  0x00007f0f671478ea in call_init.part () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f0f671479d3 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f0f6714bb08 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f0f671477a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f0f6714b2fb in _dl_open () at /lib64/ld-linux-x86-64.so.2
#13 0x00007f0f5fc8a02b in dlopen_doit () at /lib64/libdl.so.2
#14 0x00007f0f671477a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#15 0x00007f0f5fc8a5dd in _dlerror_run () at /lib64/libdl.so.2
#16 0x00007f0f5fc8a0c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#17 0x00007f0f5236259f in  () at /usr/lib64/libvlccore.so.7
#18 0x00007f0f5234bd5d in  () at /usr/lib64/libvlccore.so.7
#19 0x00007f0f5234c057 in  () at /usr/lib64/libvlccore.so.7
#20 0x00007f0f5234c2c9 in  () at /usr/lib64/libvlccore.so.7
#21 0x00007f0f5234c534 in  () at /usr/lib64/libvlccore.so.7
#22 0x00007f0f5234ca87 in  () at /usr/lib64/libvlccore.so.7
#23 0x00007f0f522e449d in libvlc_InternalInit () at /usr/lib64/libvlccore.so.7
#24 0x00007f0f520b5623 in libvlc_new () at /usr/lib64/libvlc.so.5
#25 0x00007f0f5261fec9 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#26 0x00007f0f52605728 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007f0f526061eb in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f0f64be3641 in QPluginLoader::instance() () at /usr/lib64/libQtCore.so.4
#29 0x00007f0f5385ef8b in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#30 0x00007f0f5385f773 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007f0f6689ec76 in  () at /usr/lib64/libphonon.so.4
#32 0x00007f0f6689f317 in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon.so.4
#33 0x00007f0f6689f8e3 in  () at /usr/lib64/libphonon.so.4
#34 0x00007f0f668979b9 in  () at /usr/lib64/libphonon.so.4
#35 0x00007f0f66895896 in  () at /usr/lib64/libphonon.so.4
#36 0x000000000040e771 in _start ()

Reported using DrKonqi