Application: amarok (2.3.1)
KDE Platform Version: 4.5.00 (KDE 4.5.0) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.35-gentoo x86_64
Distribution: "Gentoo Base System release 2.0.1"

-- Information about the crash:
I've enabled dynamic playlist and just after restart, Amarok crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f964a286780 (LWP 8664))]

Thread 5 (Thread 0x7f9605019710 (LWP 8665)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f963410fe10 in LoopRequest (data=<value optimized out>) at playlist/thread.c:539
#2  Thread (data=<value optimized out>) at playlist/thread.c:586
#3  0x00007f9645572d9a in start_thread (arg=<value optimized out>) at pthread_create.c:301
#4  0x00007f964711e90d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7f95fca60710 (LWP 8669)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f964262acc6 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f96436781e0) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#2  0x00007f964262ad09 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f96436862ac) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#3  0x00007f9645572d9a in start_thread (arg=<value optimized out>) at pthread_create.c:301
#4  0x00007f964711e90d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f95fb6bf710 (LWP 8670)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f9647959b3b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007f96441a85de in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b71310, th=0x1b71b30)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/WeaverImpl.cpp:365
#3  0x00007f96441aaf0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b70310, th=0x1b71b30)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/WorkingHardState.cpp:71
#4  0x00007f96441a93a7 in ThreadWeaver::ThreadRunHelper::run (this=0x7f95fb6bee10, parent=0x1b71310, th=0x1b71b30)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/Thread.cpp:87
#5  0x00007f96441a98f8 in ThreadWeaver::Thread::run (this=0x1b71b30) at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/Thread.cpp:142
#6  0x00007f9647958ae5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f9645572d9a in start_thread (arg=<value optimized out>) at pthread_create.c:301
#8  0x00007f964711e90d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f95faebe710 (LWP 8671)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f9647959b3b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007f96441a85de in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b71310, th=0x1b70370)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/WeaverImpl.cpp:365
#3  0x00007f96441aaf0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b70310, th=0x1b70370)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/WorkingHardState.cpp:71
#4  0x00007f96441a93a7 in ThreadWeaver::ThreadRunHelper::run (this=0x7f95faebde10, parent=0x1b71310, th=0x1b70370)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/Thread.cpp:87
#5  0x00007f96441a98f8 in ThreadWeaver::Thread::run (this=0x1b70370) at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/threadweaver/Weaver/Thread.cpp:142
#6  0x00007f9647958ae5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f9645572d9a in start_thread (arg=<value optimized out>) at pthread_create.c:301
#8  0x00007f964711e90d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f964a286780 (LWP 8664)):
[KCrash Handler]
#6  0x00007f96489da980 in QGraphicsProxyWidget::widget() const () from /usr/lib64/qt4/libQtGui.so.4
#7  0x00007f95f73af4b0 in ~Albums (this=0x19612e0, __in_chrg=<value optimized out>) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/context/applets/albums/Albums.cpp:54
#8  0x00007f9647a577ed in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007f9648a1a37b in QGraphicsWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#10 0x00007f96483f364c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#11 0x00007f96483f9c3b in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#12 0x00007f9649cabe68 in KApplication::notify (this=0x7ffff66e0820, receiver=0x19612e0, event=0x1964640)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/kdeui/kernel/kapplication.cpp:310
#13 0x00007f9647a47a6c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#14 0x00007f9647a4b114 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#15 0x00007f9647a714a3 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#16 0x00007f963fefc542 in g_main_dispatch (context=0x782d20) at gmain.c:1960
#17 IA__g_main_context_dispatch (context=0x782d20) at gmain.c:2513
#18 0x00007f963ff003b8 in g_main_context_iterate (context=0x782d20, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#19 0x00007f963ff0056c in IA__g_main_context_iteration (context=0x782d20, may_block=1) at gmain.c:2654
#20 0x00007f9647a70fe3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#21 0x00007f96484a19ae in ?? () from /usr/lib64/qt4/libQtGui.so.4
#22 0x00007f9647a46392 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#23 0x00007f9647a4676c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#24 0x00007f9649d3d956 in KWallet::Wallet::openWallet (name=<value optimized out>, w=<value optimized out>, ot=KWallet::Wallet::Synchronous)
    at /var/tmp/portage/kde-base/kdelibs-4.5.0/work/kdelibs-4.5.0/kdeui/util/kwallet.cpp:268
#25 0x00007f95fd76a267 in LastFmServiceConfig (this=0x7ffff66df610) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/services/lastfm/LastFmServiceConfig.cpp:37
#26 0x00007f95fd7582e3 in LastFmServiceFactory::createLastFmService (this=<value optimized out>)
    at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/services/lastfm/LastFmService.cpp:142
#27 0x00007f95fd7584cc in LastFmServiceFactory::init (this=0xffffffff) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/services/lastfm/LastFmService.cpp:85
#28 0x00007f964923be8f in ServicePluginManager::init (this=<value optimized out>) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/services/ServicePluginManager.cpp:103
#29 0x00007f96494aa709 in MainWindow::init (this=0xc73510) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/MainWindow.cpp:362
#30 0x00007f96494abf28 in MainWindow (this=0xc73510) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/MainWindow.cpp:188
#31 0x00007f964947a240 in App::continueInit (this=0x7ffff66e0820) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/App.cpp:650
#32 0x00007f964947ebc5 in App (this=0x7ffff66e0820) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/App.cpp:207
#33 0x0000000000408897 in main (argc=<value optimized out>, argv=0x7ffff66e2798) at /var/tmp/portage/media-sound/amarok-2.3.1-r2/work/amarok-2.3.1/src/main.cpp:235

Possible duplicates by query: bug 248406, bug 247540, bug 246540, bug 246340.

Reported using DrKonqi