Application: amarok (2.8.0)
KDE Platform Version: 4.14.25
Qt Version: 4.8.7
Operating System: Linux 4.8.2-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:

I Try to obtain information about tags for an album and amarok crash. This actually arrive only with one album, I retry after relaunch amaraok, the same album does the same result.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f425b0c8540 (LWP 11914))]

Thread 15 (Thread 0x7f41937fc700 (LWP 11932)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4256e3b64a in  () at /usr/lib/libQtScript.so.4
#2  0x00007f4256e3b679 in  () at /usr/lib/libQtScript.so.4
#3  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f4193ffd700 (LWP 11931)):
#0  0x00007f425020177f in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4250203c2b in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f42502046ab in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f425020489c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f42584daeee in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#5  0x00007f42584a93ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#6  0x00007f42584a9765 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#7  0x00007f4258397789 in QThread::exec() () at /usr/lib/libQtCore.so.4
#8  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#9  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f41e2910700 (LWP 11928)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f424e2f61dd in  () at /usr/lib/libQtWebKit.so.4
#2  0x00007f424e2f6239 in  () at /usr/lib/libQtWebKit.so.4
#3  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f41e970c700 (LWP 11927)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#5  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#6  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f41e170c700 (LWP 11926)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#5  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#6  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#7  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#8  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#9  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#10 0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#11 0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#12 0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#13 0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#14 0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f41e9f0d700 (LWP 11925)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#5  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#6  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#7  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#8  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#9  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#10 0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#11 0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#12 0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#13 0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f420d710700 (LWP 11924)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#5  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#6  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#7  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#8  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#9  0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#10 0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#11 0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f420df11700 (LWP 11923)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#5  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#6  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f420e712700 (LWP 11922)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#5  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#6  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#7  0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#8  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#9  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f420ef13700 (LWP 11921)):
#0  0x00007f425684610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f4253a4fdf0 in  () at /usr/lib/libthreadweaver.so.4
#3  0x00007f4253a52653 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a5266c in  () at /usr/lib/libthreadweaver.so.4
#5  0x00007f4253a5114d in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#6  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#7  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f420ffff700 (LWP 11920)):
#0  0x00007f4250249dd4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f425020477a in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f425020489c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f42584daeee in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#4  0x00007f42584a93ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#5  0x00007f42584a9765 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#6  0x00007f4258397789 in QThread::exec() () at /usr/lib/libQtCore.so.4
#7  0x00007f4258489273 in  () at /usr/lib/libQtCore.so.4
#8  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#9  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f4214e05700 (LWP 11919)):
#0  0x00007f42568464b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f425839a5a4 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQtCore.so.4
#2  0x00007f425aa7559f in AbstractDirectoryWatcher::run() () at /usr/lib/libamaroklib.so.1
#3  0x00007f4253a51930 in  () at /usr/lib/libthreadweaver.so.4
#4  0x00007f4253a51b40 in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () at /usr/lib/libthreadweaver.so.4
#5  0x00007f4253a511eb in ThreadWeaver::Thread::run() () at /usr/lib/libthreadweaver.so.4
#6  0x00007f425839a05a in  () at /usr/lib/libQtCore.so.4
#7  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4215606700 (LWP 11918)):
#0  0x00007f42568464b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f422d0297c6 in  () at /usr/lib/libmysqld.so.18
#2  0x00007f422cfdb168 in  () at /usr/lib/libmysqld.so.18
#3  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f4231116700 (LWP 11917)):
#0  0x00007f4257cc748d in poll () at /usr/lib/libc.so.6
#1  0x00007f424f1fa121 in  () at /usr/lib/libpulse.so.0
#2  0x00007f424f1eb8f1 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3  0x00007f424f1ebf8e in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007f424f1ec040 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007f424f1fa069 in  () at /usr/lib/libpulse.so.0
#6  0x00007f4243a59ed8 in  () at /usr/lib/pulseaudio/libpulsecommon-9.0.so
#7  0x00007f4256840454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4257cd07df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f425b0c8540 (LWP 11914)):
[KCrash Handler]
#6  0x00007f4258395861 in QReadWriteLock::lockForRead() () at /usr/lib/libQtCore.so.4
#7  0x00007f425ac101b0 in  () at /usr/lib/libamaroklib.so.1
#8  0x00007f425ac17efc in  () at /usr/lib/libamaroklib.so.1
#9  0x00007f4258fd3b0b in QSortFilterProxyModel::flags(QModelIndex const&) const () at /usr/lib/libQtGui.so.4
#10 0x00007f4258f8e164 in QTreeView::drawRow(QPainter*, QStyleOptionViewItem const&, QModelIndex const&) const () at /usr/lib/libQtGui.so.4
#11 0x00007f4258f916d3 in QTreeView::drawTree(QPainter*, QRegion const&) const () at /usr/lib/libQtGui.so.4
#12 0x00007f4258f95256 in QTreeView::paintEvent(QPaintEvent*) () at /usr/lib/libQtGui.so.4
#13 0x00007f4258a6e840 in QWidget::event(QEvent*) () at /usr/lib/libQtGui.so.4
#14 0x00007f4258e326ae in QFrame::event(QEvent*) () at /usr/lib/libQtGui.so.4
#15 0x00007f4258f577f3 in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib/libQtGui.so.4
#16 0x00007f4258f9905c in QTreeView::viewportEvent(QEvent*) () at /usr/lib/libQtGui.so.4
#17 0x00007f42584aacb1 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/libQtCore.so.4
#18 0x00007f4258a17f0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQtGui.so.4
#19 0x00007f4258a1ee3c in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQtGui.so.4
#20 0x00007f4259c902fa in KApplication::notify(QObject*, QEvent*) () at /usr/lib/libkdeui.so.5
#21 0x00007f42584aab2d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/libQtCore.so.4
#22 0x00007f4258a68ea5 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#23 0x00007f4258a69898 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#24 0x00007f4258a69798 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#25 0x00007f4258a69798 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#26 0x00007f4258a69798 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#27 0x00007f4258a69798 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#28 0x00007f4258a68a36 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#29 0x00007f4258a69898 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#30 0x00007f4258a69798 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#31 0x00007f4258a69798 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#32 0x00007f4258a68a36 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#33 0x00007f4258a69898 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#34 0x00007f4258a68a36 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQtGui.so.4
#35 0x00007f4258c381aa in  () at /usr/lib/libQtGui.so.4
#36 0x00007f4258a5bba0 in QWidgetPrivate::syncBackingStore() () at /usr/lib/libQtGui.so.4
#37 0x00007f4258a6e928 in QWidget::event(QEvent*) () at /usr/lib/libQtGui.so.4
#38 0x00007f4258a17f2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQtGui.so.4
#39 0x00007f4258a1ee3c in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQtGui.so.4
#40 0x00007f4259c902fa in KApplication::notify(QObject*, QEvent*) () at /usr/lib/libkdeui.so.5
#41 0x00007f42584aab2d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/libQtCore.so.4
#42 0x00007f42584ae006 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQtCore.so.4
#43 0x00007f42584dad5e in  () at /usr/lib/libQtCore.so.4
#44 0x00007f4250204587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#45 0x00007f42502047f0 in  () at /usr/lib/libglib-2.0.so.0
#46 0x00007f425020489c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#47 0x00007f42584daece in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#48 0x00007f4258ac0e86 in  () at /usr/lib/libQtGui.so.4
#49 0x00007f42584a93ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#50 0x00007f42584a9765 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQtCore.so.4
#51 0x00007f42584af1c9 in QCoreApplication::exec() () at /usr/lib/libQtCore.so.4
#52 0x000000000040867d in  ()
#53 0x00007f4257c08291 in __libc_start_main () at /usr/lib/libc.so.6
#54 0x000000000040a2a9 in _start ()

Reported using DrKonqi