Application: knotify4 (4.14.9)
KDE Platform Version: 4.14.9
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:
I was trying to export a document to PDF. There was a file already with the same name

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 0x7f0e2c269800 (LWP 24843))]

Thread 2 (Thread 0x7f0e18f0f700 (LWP 24844)):
#0  0x00007f0e29447bdd in poll () at /lib64/libc.so.6
#1  0x00007f0e26ab1be4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0e26ab1cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0e29bcb0de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f0e29b9ce6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f0e29b9d165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f0e29a9a0bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f0e29b7e783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f0e29a9c79f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f0e274ce0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0e2945000d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0e2c269800 (LWP 24843)):
[KCrash Handler]
#5  0x00007f0e2948ef66 in __strcmp_ssse3 () at /lib64/libc.so.6
#6  0x00007f0e0d6f3fee 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  0x00007f0e0dbf3f57 in  () at /usr/lib64/libQt5Gui.so.5
#8  0x00007f0e2c0e68ea in call_init.part () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f0e2c0e69d3 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f0e2c0eab08 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f0e2c0e67a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f0e2c0ea2fb in _dl_open () at /lib64/ld-linux-x86-64.so.2
#13 0x00007f0e24c2802b in dlopen_doit () at /lib64/libdl.so.2
#14 0x00007f0e2c0e67a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#15 0x00007f0e24c285dd in _dlerror_run () at /lib64/libdl.so.2
#16 0x00007f0e24c280c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#17 0x00007f0e13b6959f in  () at /usr/lib64/libvlccore.so.7
#18 0x00007f0e13b52d5d in  () at /usr/lib64/libvlccore.so.7
#19 0x00007f0e13b53057 in  () at /usr/lib64/libvlccore.so.7
#20 0x00007f0e13b532c9 in  () at /usr/lib64/libvlccore.so.7
#21 0x00007f0e13b53534 in  () at /usr/lib64/libvlccore.so.7
#22 0x00007f0e13b53a87 in  () at /usr/lib64/libvlccore.so.7
#23 0x00007f0e13aeb49d in libvlc_InternalInit () at /usr/lib64/libvlccore.so.7
#24 0x00007f0e138bc623 in libvlc_new () at /usr/lib64/libvlc.so.5
#25 0x00007f0e13dedec9 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#26 0x00007f0e13dd3728 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007f0e13dd41eb in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f0e29b82641 in QPluginLoader::instance() () at /usr/lib64/libQtCore.so.4
#29 0x00007f0e18505f8b in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#30 0x00007f0e18506773 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007f0e2b83dc76 in  () at /usr/lib64/libphonon.so.4
#32 0x00007f0e2b83e317 in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon.so.4
#33 0x00007f0e2b83e8e3 in  () at /usr/lib64/libphonon.so.4
#34 0x00007f0e2b8369b9 in  () at /usr/lib64/libphonon.so.4
#35 0x00007f0e2b834896 in  () at /usr/lib64/libphonon.so.4
#36 0x000000000040e771 in _start ()

Reported using DrKonqi