Application: amarok (2.8.0)
KDE Platform Version: 4.12.4
Qt Version: 4.8.6
Operating System: Linux 3.14.2-200.fc20.x86_64 x86_64
Distribution: "Fedora release 20 (Heisenbug)"

-- Information about the crash:
- Unusual behavior I noticed:

After updating a bunch of packages Amarak stopped working.  It just crashes whenever I try to start it.

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 0x7f9205b79900 (LWP 2655))]

Thread 12 (Thread 0x7f91f7144700 (LWP 2658)):
#0  0x00000030102ea9dd in poll () from /lib64/libc.so.6
#1  0x0000003dd8c32b91 in poll_func () from /lib64/libpulse.so.0
#2  0x0000003dd8c23dec in pa_mainloop_poll () from /lib64/libpulse.so.0
#3  0x0000003dd8c2447e in pa_mainloop_iterate () from /lib64/libpulse.so.0
#4  0x0000003dd8c24530 in pa_mainloop_run () from /lib64/libpulse.so.0
#5  0x0000003dd8c32b26 in thread () from /lib64/libpulse.so.0
#6  0x0000003dd884bbd8 in internal_thread_func () from /usr/lib64/pulseaudio/libpulsecommon-4.0.so
#7  0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#8  0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f91f2b86700 (LWP 2660)):
#0  0x0000003010e0c0c9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f91f471b302 in my_service_thread_sleep () from /usr/lib64/mysql/libmysqld.so.18
#2  0x00007f91f4532b97 in ma_checkpoint_background () from /usr/lib64/mysql/libmysqld.so.18
#3  0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#4  0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f91e7ffe700 (LWP 2661)):
#0  0x0000003010e0c0c9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000003dd087cbd4 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQtCore.so.4
#2  0x0000003de29a748e in AbstractDirectoryWatcher::run() () from /lib64/libamaroklib.so.1
#3  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#4  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#5  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#6  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#7  0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#8  0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f91e77fd700 (LWP 2662)):
#0  0x00000030102e679d in read () from /lib64/libc.so.6
#1  0x0000003012e897b0 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x0000003012e4909c in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x0000003012e49533 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#4  0x0000003012e496dc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x0000003dd09b5af6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#6  0x0000003dd098595f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#7  0x0000003dd0985cad in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQtCore.so.4
#8  0x0000003dd0879e8f in QThread::exec() () from /lib64/libQtCore.so.4
#9  0x0000003dd09662e3 in QInotifyFileSystemWatcherEngine::run() () from /lib64/libQtCore.so.4
#10 0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#11 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#12 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f91e60a9700 (LWP 2663)):
#0  0x00000030102e67fd in write () from /lib64/libc.so.6
#1  0x0000003012e8984f in g_wakeup_signal () from /lib64/libglib-2.0.so.0
#2  0x0000003dd098a92e in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQtCore.so.4
#3  0x0000003dd099bcac in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de27c4c22 in MetaProxy::Worker::finishedLookup(KSharedPtr<Meta::Track>) () from /lib64/libamaroklib.so.1
#5  0x0000003de29416d0 in MetaProxy::Worker::run() () from /lib64/libamaroklib.so.1
#6  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#7  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#8  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#9  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#11 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f91e58a8700 (LWP 2664)):
#0  0x00000030102e67fd in write () from /lib64/libc.so.6
#1  0x0000003012e8984f in g_wakeup_signal () from /lib64/libglib-2.0.so.0
#2  0x0000003dd098a92e in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQtCore.so.4
#3  0x0000003dd099bcac in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de1e0cae7 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#5  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#6  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#7  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#8  0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#9  0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f91e50a7700 (LWP 2665)):
#0  0x00000030102ef759 in syscall () from /lib64/libc.so.6
#1  0x0000003dd087b023 in QMutexPrivate::wait(int) () from /lib64/libQtCore.so.4
#2  0x0000003dd0877415 in QMutex::lockInternal() () from /lib64/libQtCore.so.4
#3  0x0000003dd099b792 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de27c4c22 in MetaProxy::Worker::finishedLookup(KSharedPtr<Meta::Track>) () from /lib64/libamaroklib.so.1
#5  0x0000003de29416d0 in MetaProxy::Worker::run() () from /lib64/libamaroklib.so.1
#6  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#7  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#8  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#9  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#11 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f91e48a6700 (LWP 2666)):
#0  0x00000030102e67fd in write () from /lib64/libc.so.6
#1  0x0000003012e8984f in g_wakeup_signal () from /lib64/libglib-2.0.so.0
#2  0x0000003dd098a92e in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQtCore.so.4
#3  0x0000003dd099bcac in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de27c4c22 in MetaProxy::Worker::finishedLookup(KSharedPtr<Meta::Track>) () from /lib64/libamaroklib.so.1
#5  0x0000003de29416d0 in MetaProxy::Worker::run() () from /lib64/libamaroklib.so.1
#6  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#7  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#8  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#9  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#11 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f91c3fff700 (LWP 2667)):
#0  0x00000030102e67fd in write () from /lib64/libc.so.6
#1  0x0000003012e8984f in g_wakeup_signal () from /lib64/libglib-2.0.so.0
#2  0x0000003dd098a92e in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQtCore.so.4
#3  0x0000003dd099bcac in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de27c4c22 in MetaProxy::Worker::finishedLookup(KSharedPtr<Meta::Track>) () from /lib64/libamaroklib.so.1
#5  0x0000003de29416d0 in MetaProxy::Worker::run() () from /lib64/libamaroklib.so.1
#6  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#7  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#8  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#9  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#11 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f91c37fe700 (LWP 2668)):
#0  0x00000030102e67fd in write () from /lib64/libc.so.6
#1  0x0000003012e8984f in g_wakeup_signal () from /lib64/libglib-2.0.so.0
#2  0x0000003dd098a92e in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQtCore.so.4
#3  0x0000003dd099bcac in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de27c4c22 in MetaProxy::Worker::finishedLookup(KSharedPtr<Meta::Track>) () from /lib64/libamaroklib.so.1
#5  0x0000003de29416d0 in MetaProxy::Worker::run() () from /lib64/libamaroklib.so.1
#6  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#7  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#8  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#9  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#11 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f91c2ffd700 (LWP 2669)):
#0  0x00000030102e67fd in write () from /lib64/libc.so.6
#1  0x0000003012e8984f in g_wakeup_signal () from /lib64/libglib-2.0.so.0
#2  0x0000003dd098a92e in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQtCore.so.4
#3  0x0000003dd099bcac in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#4  0x0000003de27c4c22 in MetaProxy::Worker::finishedLookup(KSharedPtr<Meta::Track>) () from /lib64/libamaroklib.so.1
#5  0x0000003de29416d0 in MetaProxy::Worker::run() () from /lib64/libamaroklib.so.1
#6  0x0000003de1e0ca42 in ThreadWeaver::JobRunHelper::runTheJob(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /lib64/libthreadweaver.so.4
#7  0x0000003de1e0cc2e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /lib64/libthreadweaver.so.4
#8  0x0000003de1e0c40b in ThreadWeaver::Thread::run() () from /lib64/libthreadweaver.so.4
#9  0x0000003dd087c6bf in QThreadPrivate::start(void*) () from /lib64/libQtCore.so.4
#10 0x0000003010e07f33 in start_thread () from /lib64/libpthread.so.0
#11 0x00000030102f4ded in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f9205b79900 (LWP 2655)):
[KCrash Handler]
#5  0x0000003ddac2c5f1 in QGLContextGroupResourceBase::value(QGLContext const*) () from /lib64/libQtOpenGL.so.4
#6  0x0000003ddac390d0 in qt_gl_functions(QGLContext const*) () from /lib64/libQtOpenGL.so.4
#7  0x0000003ddac3922c in QGLFunctions::initializeGLFunctions(QGLContext const*) () from /lib64/libQtOpenGL.so.4
#8  0x00007f91c21cb974 in DiscoAnalyzer::DiscoAnalyzer(QWidget*) () from /usr/lib64/kde4/amarok_context_applet_analyzer.so
#9  0x00007f91c21c496b in AnalyzerApplet::setCurrentAnalyzer(QString const&) () from /usr/lib64/kde4/amarok_context_applet_analyzer.so
#10 0x00007f91c21c5c6b in AnalyzerApplet::init() () from /usr/lib64/kde4/amarok_context_applet_analyzer.so
#11 0x0000003ddbd29458 in Plasma::Containment::addApplet(Plasma::Applet*, QPointF const&, bool) () from /lib64/libplasma.so.3
#12 0x0000003ddbd2a368 in Plasma::ContainmentPrivate::addApplet(QString const&, QList<QVariant> const&, QRectF const&, unsigned int, bool) () from /lib64/libplasma.so.3
#13 0x00007f91d8158e2f in Context::VerticalToolbarContainment::addApplet(QString const&, int) () from /usr/lib64/kde4/amarok_containment_vertical.so
#14 0x00007f91d815a3fa in Context::VerticalToolbarContainment::loadConfig(KConfigGroup const&) () from /usr/lib64/kde4/amarok_containment_vertical.so
#15 0x0000003de2811770 in Context::ContextView::loadConfig() () from /lib64/libamaroklib.so.1
#16 0x0000003de2811d07 in Context::ContextView::showHome() () from /lib64/libamaroklib.so.1
#17 0x0000003de280e688 in ContextDock::createContextView(Plasma::Containment*) () from /lib64/libamaroklib.so.1
#18 0x0000003dd099b938 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib64/libQtCore.so.4
#19 0x0000003ddbd385af in Plasma::Corona::containmentAdded(Plasma::Containment*) () from /lib64/libplasma.so.3
#20 0x0000003ddbd3ab5f in Plasma::CoronaPrivate::addContainment(QString const&, QList<QVariant> const&, unsigned int, bool) () from /lib64/libplasma.so.3
#21 0x0000003de280dc2b in Context::ContextScene::loadDefaultSetup() () from /lib64/libamaroklib.so.1
#22 0x0000003de280e0f3 in ContextDock::ContextDock(QWidget*) () from /lib64/libamaroklib.so.1
#23 0x0000003de2a85645 in MainWindow::init() () from /lib64/libamaroklib.so.1
#24 0x0000003de2a86b0e in MainWindow::MainWindow() () from /lib64/libamaroklib.so.1
#25 0x0000003de2a6cad0 in App::continueInit() () from /lib64/libamaroklib.so.1
#26 0x0000003de2a6dba6 in App::App() () from /lib64/libamaroklib.so.1
#27 0x0000000000408427 in main ()

Possible duplicates by query: bug 331721, bug 331427, bug 327150, bug 323657.

Reported using DrKonqi