Application: amarok (2.8.0)
KDE Platform Version: 4.14.35
Qt Version: 4.8.7
Operating System: Linux 4.12.9-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
Whenever trying to open Amarok from KDE or Gnome, amarok crashes and doesn't start

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4d29858380 (LWP 25850))]

Thread 4 (Thread 0x7f4cfb221700 (LWP 25929)):
#0  0x00007f4d2502659d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4cfcb94b6b in blas_thread_server () at /usr/lib64/libopenblas_pthreads.so.0
#2  0x00007f4d250202f8 in start_thread () at /lib64/libpthread.so.0
#3  0x00007f4d2649a5ef in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f4cfba22700 (LWP 25928)):
#0  0x00007f4d2502659d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4cfcb94b6b in blas_thread_server () at /usr/lib64/libopenblas_pthreads.so.0
#2  0x00007f4d250202f8 in start_thread () at /lib64/libpthread.so.0
#3  0x00007f4d2649a5ef in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f4cfc223700 (LWP 25927)):
#0  0x00007f4d2502659d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4cfcb94b6b in blas_thread_server () at /usr/lib64/libopenblas_pthreads.so.0
#2  0x00007f4d250202f8 in start_thread () at /lib64/libpthread.so.0
#3  0x00007f4d2649a5ef in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f4d29858380 (LWP 25850)):
[KCrash Handler]
#6  0x00007f4cf1e09867 in QMetaObject::className() const () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4cf2f8b207 in  () at /usr/lib64/libQt5Widgets.so.5
#8  0x00007f4cf2f2f3b7 in  () at /usr/lib64/libQt5Widgets.so.5
#9  0x00007f4d296dd4ea in call_init.part () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f4d296dd5f6 in _dl_init () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f4d296e1a7e in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f4d264d60d4 in _dl_catch_error () at /lib64/libc.so.6
#13 0x00007f4d296e1299 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#14 0x00007f4d206def26 in dlopen_doit () at /lib64/libdl.so.2
#15 0x00007f4d264d60d4 in _dl_catch_error () at /lib64/libc.so.6
#16 0x00007f4d206df5f5 in _dlerror_run () at /lib64/libdl.so.2
#17 0x00007f4d206defb1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#18 0x00007f4d052545f0 in  () at /usr/lib64/libvlccore.so.8
#19 0x00007f4d051cd074 in  () at /usr/lib64/libvlccore.so.8
#20 0x00007f4d051ccf22 in  () at /usr/lib64/libvlccore.so.8
#21 0x00007f4d051cd371 in  () at /usr/lib64/libvlccore.so.8
#22 0x00007f4d051cd8f3 in  () at /usr/lib64/libvlccore.so.8
#23 0x00007f4d051b4b44 in libvlc_InternalInit () at /usr/lib64/libvlccore.so.8
#24 0x00007f4d04f7b94e in libvlc_new () at /usr/lib64/libvlc.so.5
#25 0x00007f4d054ddca9 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#26 0x00007f4d054c3228 in  () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007f4d054c3dab in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f4d26c5577d in QPluginLoader::instance() () at /usr/lib64/libQtCore.so.4
#29 0x00007f4d06579c88 in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#30 0x00007f4d0657a56b in  () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007f4d25eb2df9 in Phonon::FactoryPrivate::createBackend() () at /usr/lib64/libphonon.so.4
#32 0x00007f4d25eb3600 in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon.so.4
#33 0x00007f4d25eb3b62 in Phonon::Factory::createAudioOutput(QObject*) () at /usr/lib64/libphonon.so.4
#34 0x00007f4d25eab12f in Phonon::AudioOutputPrivate::createBackendObject() () at /usr/lib64/libphonon.so.4
#35 0x00007f4d25ea89ee in Phonon::AudioOutputPrivate::init(Phonon::Category) () at /usr/lib64/libphonon.so.4
#36 0x00007f4d2925fb5f in EngineController::initializePhonon() () at /usr/lib64/libamaroklib.so.1
#37 0x00007f4d292672b5 in  () at /usr/lib64/libamaroklib.so.1
#38 0x00007f4d26c7b8cb in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () at /usr/lib64/libQtCore.so.4
#39 0x00007f4d26c7ceba in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at /usr/lib64/libQtCore.so.4
#40 0x00007f4d2932aaef in  () at /usr/lib64/libamaroklib.so.1
#41 0x00007f4d2932ab11 in  () at /usr/lib64/libamaroklib.so.1
#42 0x00007f4d292591b9 in App::continueInit() () at /usr/lib64/libamaroklib.so.1
#43 0x00007f4d2925a41c in App::App() () at /usr/lib64/libamaroklib.so.1
#44 0x000055a2601b1f03 in  ()
#45 0x00007f4d263c4f1a in __libc_start_main () at /lib64/libc.so.6
#46 0x000055a2601b3b4a in _start ()

Reported using DrKonqi