Application: amarok (2.3.1)
KDE Platform Version: 4.4.4 (KDE 4.4.4)
Qt Version: 4.6.2
Operating System: Linux 2.6.30.5 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
when change the stream amarok stop the playlist and after is restart no play stream.restart and change playlist and then stop again

The crash can be reproduced every time.

 -- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f91000e77a0 (LWP 4107))]

Thread 14 (Thread 0x7f90e6b2c710 (LWP 4115)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f90eb343f41 in metronom_sync_loop (this=0x95b650) at metronom.c:870
#2  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f90e732d710 (LWP 4116)):
[KCrash Handler]
#5  0x00007f90eb5aadf2 in QExplicitlySharedDataPointer (this=0x964400) at /usr/include/qt4/QtCore/qshareddata.h:162
#6  Phonon::Xine::SinkNode::threadSafeObject (this=0x964400) at ../../xine/sinknode.h:76
#7  Phonon::Xine::XineStream::createStream (this=0x964400) at ../../xine/xinestream.cpp:515
#8  0x00007f90eb5acfd3 in Phonon::Xine::XineStream::event (this=0x964400, ev=0x2e3fca0) at ../../xine/xinestream.cpp:1244
#9  0x00007f90fda0e8fc in QApplicationPrivate::notify_helper (this=0x794270, receiver=0x964400, e=0x2e3fca0) at kernel/qapplication.cpp:4300
#10 0x00007f90fda14ddb in QApplication::notify (this=0x7fff37c45f80, receiver=0x964400, e=0x2e3fca0) at kernel/qapplication.cpp:4183
#11 0x00007f90fe66ff0c in QCoreApplication::notifyInternal (this=0x7fff37c45f80, receiver=0x964400, event=0x2e3fca0) at kernel/qcoreapplication.cpp:704
#12 0x00007f90fe672687 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x8cca70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#13 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x8cca70) at kernel/qcoreapplication.cpp:1345
#14 0x00007f90fe699823 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#15 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#16 0x00007f90f5cad6c2 in g_main_dispatch (context=0x95c4b0) at /tmp/buildd/glib2.0-2.24.1/glib/gmain.c:1960
#17 IA__g_main_context_dispatch (context=0x95c4b0) at /tmp/buildd/glib2.0-2.24.1/glib/gmain.c:2513
#18 0x00007f90f5cb1538 in g_main_context_iterate (context=0x95c4b0, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /tmp/buildd/glib2.0-2.24.1/glib/gmain.c:2591
#19 0x00007f90f5cb16ec in IA__g_main_context_iteration (context=0x95c4b0, may_block=1) at /tmp/buildd/glib2.0-2.24.1/glib/gmain.c:2654
#20 0x00007f90fe699363 in QEventDispatcherGlib::processEvents (this=0x8cf080, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#21 0x00007f90fe66e832 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#22 0x00007f90fe66ec0c in QEventLoop::exec (this=0x7f90e732cd80, flags=) at kernel/qeventloop.cpp:201
#23 0x00007f90fe578bb9 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#24 0x00007f90eb59f400 in Phonon::Xine::XineThread::run (this=0x95fa10) at ../../xine/xinethread.cpp:143
#25 0x00007f90fe57b5b5 in QThreadPrivate::start (arg=0x95fa10) at thread/qthread_unix.cpp:248
#26 0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#27 0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#28 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f90e4b28710 (LWP 4119)):
#0  0x00007f90fd050103 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=333) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f90e4b2d805 in my_snd_mixer_wait (data=<value optimized out>) at audio_alsa_out.c:150
#2  ao_alsa_handle_event_thread (data=<value optimized out>) at audio_alsa_out.c:166
#3  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f90e4327710 (LWP 4120)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90eb354a3b in fifo_peek_int (this_gen=<value optimized out>) at audio_out.c:348
#2  fifo_peek (this_gen=<value optimized out>) at audio_out.c:388
#3  ao_loop (this_gen=<value optimized out>) at audio_out.c:1015
#4  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f90e371d710 (LWP 4121)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90eb354a3b in fifo_peek_int (this_gen=<value optimized out>) at audio_out.c:348
#2  fifo_peek (this_gen=<value optimized out>) at audio_out.c:388
#3  ao_loop (this_gen=<value optimized out>) at audio_out.c:1015
#4  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f90e2f1c710 (LWP 4122)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90eb354a3b in fifo_peek_int (this_gen=<value optimized out>) at audio_out.c:348
#2  fifo_peek (this_gen=<value optimized out>) at audio_out.c:388
#3  ao_loop (this_gen=<value optimized out>) at audio_out.c:1015
#4  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f90e11b8710 (LWP 4129)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90f8841606 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f90f9805220) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#2  0x00007f90f8841649 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f90f98132ec) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#3  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f90d57d7710 (LWP 4130)):
#0  0x00007f90fd0548b3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f90eb36ca15 in xine_usec_sleep (usec=<value optimized out>) at utils.c:481
#2  0x00007f90eb3518e9 in video_out_loop (this_gen=<value optimized out>) at video_out.c:1246
#3  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f90d499c710 (LWP 4131)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90fe57c57b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f90fa333fe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22b40f0, th=0x22b4920) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f90fa33666b in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x22b4920) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f90fa336684 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x22b4920) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f90fa334bbf in ThreadWeaver::ThreadRunHelper::run (this=0x7f90d499bdf0, parent=0x22b40f0, th=0x22b4920) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f90fa335128 in ThreadWeaver::Thread::run (this=0x22b4920) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f90fe57b5b5 in QThreadPrivate::start (arg=0x22b4920) at thread/qthread_unix.cpp:248
#9  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f90d419b710 (LWP 4132)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90fe57c57b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f90fa333fe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22b40f0, th=0x22b54c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f90fa33666b in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x22b54c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f90fa336684 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x22b54c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f90fa336684 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x22b54c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f90fa334bbf in ThreadWeaver::ThreadRunHelper::run (this=0x7f90d419adf0, parent=0x22b40f0, th=0x22b54c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f90fa335128 in ThreadWeaver::Thread::run (this=0x22b54c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f90fe57b5b5 in QThreadPrivate::start (arg=0x22b54c0) at thread/qthread_unix.cpp:248
#10 0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f90cfe1d710 (LWP 4134)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90fe57c57b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f90fa333fe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22b40f0, th=0x23a3470) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f90fa33666b in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x23a3470) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f90fa336684 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x23a3470) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f90fa336684 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x23a3470) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f90fa336684 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x23a3470) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f90fa334bbf in ThreadWeaver::ThreadRunHelper::run (this=0x7f90cfe1cdf0, parent=0x22b40f0, th=0x23a3470) at ../../../threadweaver/Weaver/Thread.cpp:87
#9  0x00007f90fa335128 in ThreadWeaver::Thread::run (this=0x23a3470) at ../../../threadweaver/Weaver/Thread.cpp:142
#10 0x00007f90fe57b5b5 in QThreadPrivate::start (arg=0x23a3470) at thread/qthread_unix.cpp:248
#11 0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#12 0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f90cf61c710 (LWP 4136)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90fe57c57b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22b4450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f90fa333fe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22b40f0, th=0x239a4c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f90fa33666b in ThreadWeaver::WorkingHardState::applyForWork (this=0x22b31f0, th=0x239a4c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f90fa334bbf in ThreadWeaver::ThreadRunHelper::run (this=0x7f90cf61bdf0, parent=0x22b40f0, th=0x239a4c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f90fa335128 in ThreadWeaver::Thread::run (this=0x239a4c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f90fe57b5b5 in QThreadPrivate::start (arg=0x239a4c0) at thread/qthread_unix.cpp:248
#8  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f90c0782710 (LWP 4158)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f90f9b996a6 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f90f9e772a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x00007f90f9b996e9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f90f9e8536c) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00007f90f7f198ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f90fd05b01d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f91000e77a0 (LWP 4107)):
#0  0x00007f90fd050103 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f90f4b048ca in _xcb_conn_wait (c=0x7ad150, cond=<value optimized out>, vector=0x0, count=0x0) at ../../src/xcb_conn.c:316
#2  0x00007f90f4b06c0c in xcb_wait_for_reply (c=0x7ad150, request=326063, e=0x7fff37c45598) at ../../src/xcb_in.c:390
#3  0x00007f90fc621804 in _XReply () from /usr/lib/libX11.so.6
#4  0x00007f90fc5febb3 in XGetSelectionOwner () from /usr/lib/libX11.so.6
#5  0x00007f90fda9b934 in QClipboard::event (this=0x86d780, e=<value optimized out>) at kernel/qclipboard_x11.cpp:928
#6  0x00007f90fda0e8fc in QApplicationPrivate::notify_helper (this=0x794270, receiver=0x86d780, e=0x7fff37c45df0) at kernel/qapplication.cpp:4300
#7  0x00007f90fda14ddb in QApplication::notify (this=0x7fff37c45f80, receiver=0x86d780, e=0x7fff37c45df0) at kernel/qapplication.cpp:4183
#8  0x00007f90fe66ff0c in QCoreApplication::notifyInternal (this=0x7fff37c45f80, receiver=0x86d780, event=0x7fff37c45df0) at kernel/qcoreapplication.cpp:704
#9  0x00007f90fda1baab in QCoreApplication::sendEvent (this=0x7fff37c45f80, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#10 ~QApplication (this=0x7fff37c45f80, __in_chrg=<value optimized out>) at kernel/qapplication.cpp:1011
#11 0x00007f90ff3ee841 in ~App (this=0x7fff37c45f80, __in_chrg=<value optimized out>) at ../../src/App.cpp:282
#12 0x000000000040871e in main (argc=1, argv=0x7fff37c47ef8) at ../../src/main.cpp:237

Possible duplicates by query: bug 238387, bug 236543, bug 235330, bug 234955, bug 227083.

Reported using DrKonqi