I had a script called "Free Music Charts" installed and enabled. As I wanted to disable the script in the settings dialog, Amarok crashed when I pressed Apply.

Here's the backtrace:

Application: Amarok (amarok), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd8e6e0a7c0 (LWP 21059))]

Thread 20 (Thread 0x7fd8d9f9e700 (LWP 21062)):
#0  0x00007fd8f80823cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd8f07a6cdf in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fd8f0798205 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fd8f0798869 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fd8f0798920 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fd8f07a6c8f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fd8eb92c143 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-3.0.so
#7  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8d9f9e700) at pthread_create.c:311
#8  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 19 (Thread 0x7fd8d5dd9700 (LWP 21064)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007fd8f8bf70a7 in wait (time=60000, this=0x212cc80) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x212c9a8, time=60000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fd8fbeda4c4 in AbstractDirectoryWatcher::run (this=0x212c980) at /home/mark/Devel/src/amarok/src/scanner/AbstractDirectoryWatcher.cpp:65
#4  0x00007fd8f64bde3a in ThreadWeaver::JobRunHelper::runTheJob (this=this@entry=0x7fd8d5dd8d70, th=th@entry=0x209a660, job=job@entry=0x212c980) at ../../../threadweaver/Weaver/Job.cpp:106
#5  0x00007fd8f64bdfb1 in ThreadWeaver::Job::execute (this=0x212c980, th=0x209a660) at ../../../threadweaver/Weaver/Job.cpp:135
#6  0x00007fd8f64bd60f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7fd8d5dd8dc0, parent=0x212dc40, th=th@entry=0x209a660) at ../../../threadweaver/Weaver/Thread.cpp:95
#7  0x00007fd8f64bd6cb in ThreadWeaver::Thread::run (this=0x209a660) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x209a660) at thread/qthread_unix.cpp:338
#9  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8d5dd9700) at pthread_create.c:311
#10 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 18 (Thread 0x7fd8cb2e8700 (LWP 21065)):
#0  g_main_context_prepare (context=context@entry=0x7fd8bc0009a0, priority=priority@entry=0x7fd8cb2e7c38) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3323
#1  0x00007fd8f28900fe in g_main_context_iterate (context=context@entry=0x7fd8bc0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3681
#2  0x00007fd8f2890304 in g_main_context_iteration (context=0x7fd8bc0009a0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#3  0x00007fd8f8d22036 in QEventDispatcherGlib::processEvents (this=0x7fd8bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fd8f8cf238f in QEventLoop::processEvents (this=this@entry=0x7fd8cb2e7d90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd8f8cf2618 in QEventLoop::exec (this=this@entry=0x7fd8cb2e7d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd8f8bf4410 in QThread::exec (this=this@entry=0x2130cb0) at thread/qthread.cpp:542
#7  0x00007fd8f8cd3edf in QInotifyFileSystemWatcherEngine::run (this=0x2130cb0) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x2130cb0) at thread/qthread_unix.cpp:338
#9  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8cb2e8700) at pthread_create.c:311
#10 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 17 (Thread 0x7fd8ca040700 (LWP 21066)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f8bf714b in wait (time=18446744073709551615, this=0x212dd90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x212dc68, mutex=0x20a1da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fd8f64bc041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x212dc40, th=0x2457240) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd8f64be94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1ab76e0, th=0x2457240) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd8f64bd63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7fd8ca03fdc0, parent=0x212dc40, th=th@entry=0x2457240) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fd8f64bd6cb in ThreadWeaver::Thread::run (this=0x2457240) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x2457240) at thread/qthread_unix.cpp:338
#8  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8ca040700) at pthread_create.c:311
#9  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 16 (Thread 0x7fd8c983f700 (LWP 21067)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f8bf714b in wait (time=18446744073709551615, this=0x212dd90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x212dc68, mutex=0x20a1da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fd8f64bc041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x212dc40, th=0x249db70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd8f64be94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1ab76e0, th=0x249db70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd8f64be964 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1ab76e0, th=0x249db70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fd8f64bd63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7fd8c983edc0, parent=0x212dc40, th=th@entry=0x249db70) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fd8f64bd6cb in ThreadWeaver::Thread::run (this=0x249db70) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x249db70) at thread/qthread_unix.cpp:338
#9  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8c983f700) at pthread_create.c:311
#10 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 15 (Thread 0x7fd8c903e700 (LWP 21068)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f8bf714b in wait (time=18446744073709551615, this=0x212dd90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x212dc68, mutex=0x20a1da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fd8f64bc041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x212dc40, th=0x7fd8c00030e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd8f64be94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1ab76e0, th=0x7fd8c00030e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd8f64bd63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7fd8c903ddc0, parent=0x212dc40, th=th@entry=0x7fd8c00030e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fd8f64bd6cb in ThreadWeaver::Thread::run (this=0x7fd8c00030e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x7fd8c00030e0) at thread/qthread_unix.cpp:338
#8  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8c903e700) at pthread_create.c:311
#9  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 14 (Thread 0x7fd8b3fff700 (LWP 21069)):
#0  0x00007fd8f2861280 in pthread_mutex_lock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd8f28cf5c1 in g_mutex_lock (mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:210
#2  0x00007fd8f28900d5 in g_main_context_iterate (context=context@entry=0x7fd8ac0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3668
#3  0x00007fd8f2890304 in g_main_context_iteration (context=0x7fd8ac0009a0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#4  0x00007fd8f8d22036 in QEventDispatcherGlib::processEvents (this=0x7fd8ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fd8f8cf238f in QEventLoop::processEvents (this=this@entry=0x7fd8b3ffed90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fd8f8cf2618 in QEventLoop::exec (this=this@entry=0x7fd8b3ffed90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fd8f8bf4410 in QThread::exec (this=this@entry=0x2714870) at thread/qthread.cpp:542
#8  0x00007fd8f8cd3edf in QInotifyFileSystemWatcherEngine::run (this=0x2714870) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x2714870) at thread/qthread_unix.cpp:338
#10 0x00007fd8f6e58f8e in start_thread (arg=0x7fd8b3fff700) at pthread_create.c:311
#11 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 13 (Thread 0x7fd8b18e8700 (LWP 21070)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8efac5575 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fd8efac55c9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fd8f6e58f8e in start_thread (arg=0x7fd8b18e8700) at pthread_create.c:311
#4  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 12 (Thread 0x7fd86b9ac700 (LWP 21073)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x7fd85c026700, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8d515ae25 in gst_queue_chain (pad=<optimized out>, buffer=0x7fd85c1372b0) at gstqueue.c:1014
#3  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x7fd85c014570, buffer=0x7fd85c1372b0) at gstpad.c:4710
#4  0x00007fd8ea71cdb1 in gst_pad_push (pad=pad@entry=0x7fd85c032ac0, buffer=buffer@entry=0x7fd85c1372b0) at gstpad.c:4710
#5  0x00007fd8d4aec9cc in gst_stream_synchronizer_sink_chain (pad=<optimized out>, buffer=0x7fd85c1372b0) at gststreamsynchronizer.c:601
#6  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x7fd85c032c40, buffer=0x7fd85c1372b0) at gstpad.c:4710
#7  0x00007fd8d516690b in gst_tee_handle_data (tee=tee@entry=0x1d8a9b0, data=0x7fd85c032db8, data@entry=0x7fd85c1372b0, is_list=is_list@entry=0) at gsttee.c:722
#8  0x00007fd8d5166adf in gst_tee_chain (pad=<optimized out>, buffer=0x7fd85c1372b0) at gsttee.c:828
#9  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x7fd85c014230, buffer=0x7fd85c1372b0) at gstpad.c:4710
#10 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x324b600, buffer=buffer@entry=0x7fd85c1372b0) at gstpad.c:4710
#11 0x00007fd8d5151e8d in gst_selector_pad_chain (pad=0x7fd85c028140, buf=0x7fd85c1372b0) at gstinputselector.c:854
#12 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2058510, buffer=0x7fd85c1372b0) at gstpad.c:4710
#13 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x3212a30, buffer=0x7fd85c1372b0) at gstpad.c:4710
#14 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x324b480, buffer=0x7fd85c1372b0) at gstpad.c:4710
#15 0x00007fd86af7ecdc in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstflump3dec.so
#16 0x00007fd86af7fcaf in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstflump3dec.so
#17 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x324b000, buffer=buffer@entry=0x7fd85c137030) at gstpad.c:4710
#18 0x00007fd8ea9b97ca in gst_base_parse_push_frame (parse=parse@entry=0x1c76800, frame=frame@entry=0x7fd86b9abcf0) at gstbaseparse.c:1988
#19 0x00007fd8ea9ba80e in gst_base_parse_handle_and_push_frame (parse=parse@entry=0x1c76800, frame=frame@entry=0x7fd86b9abcf0, klass=0x1c7d400) at gstbaseparse.c:1765
#20 0x00007fd8ea9bd1a5 in gst_base_parse_loop (pad=<optimized out>) at gstbaseparse.c:2826
#21 0x00007fd8ea742e34 in gst_task_func (task=0x324f030) at gsttask.c:327
#22 0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#23 0x00007fd8f28b3eb5 in g_thread_proxy (data=0x31f36d0) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#24 0x00007fd8f6e58f8e in start_thread (arg=0x7fd86b9ac700) at pthread_create.c:311
#25 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 11 (Thread 0x7fd86acee700 (LWP 21074)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x203aba0, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8d515b6b5 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1252
#3  0x00007fd8ea742e34 in gst_task_func (task=0x324f930) at gsttask.c:327
#4  0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#5  0x00007fd8f28b3eb5 in g_thread_proxy (data=0x7fd85c002c50) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#6  0x00007fd8f6e58f8e in start_thread (arg=0x7fd86acee700) at pthread_create.c:311
#7  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7fd86a4ed700 (LWP 21075)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x202fbb0, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8d515ae25 in gst_queue_chain (pad=<optimized out>, buffer=0x7fd84000dc00) at gstqueue.c:1014
#3  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2019440, buffer=0x7fd84000dc00) at gstpad.c:4710
#4  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2058a20, buffer=0x7fd84000dc00) at gstpad.c:4710
#5  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x7fd85c0327c0, buffer=0x7fd84000dc00) at gstpad.c:4710
#6  0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd84000dc00) at gstbasetransform.c:2658
#7  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x7fd85c0324c0, buffer=0x7fd84000dc00) at gstpad.c:4710
#8  0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd84000dc00) at gstbasetransform.c:2658
#9  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x205ebf0, buffer=0x7fd84000dc00) at gstpad.c:4710
#10 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x324ba80, buffer=buffer@entry=0x7fd84000dc00) at gstpad.c:4710
#11 0x00007fd8d515bdf6 in gst_queue_push_one (queue=0x200b520) at gstqueue.c:1156
#12 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1264
#13 0x00007fd8ea742e34 in gst_task_func (task=0x324fb30) at gsttask.c:327
#14 0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#15 0x00007fd8f28b3eb5 in g_thread_proxy (data=0x7fd85c002ca0) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#16 0x00007fd8f6e58f8e in start_thread (arg=0x7fd86a4ed700) at pthread_create.c:311
#17 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7fd869cec700 (LWP 21076)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x2018270, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8d515ae25 in gst_queue_chain (pad=<optimized out>, buffer=0x7fd85c12b2b0) at gstqueue.c:1014
#3  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20192a0, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#4  0x00007fd8ea71cdb1 in gst_pad_push (pad=pad@entry=0x2030680, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#5  0x00007fd8d51665e0 in gst_tee_do_push (is_list=0, data=0x7fd85c12b2b0, pad=0x2030680, tee=0x1d8a290) at gsttee.c:675
#6  gst_tee_handle_data (tee=tee@entry=0x1d8a290, data=data@entry=0x7fd85c12b2b0, is_list=is_list@entry=0) at gsttee.c:754
#7  0x00007fd8d5166adf in gst_tee_chain (pad=<optimized out>, buffer=0x7fd85c12b2b0) at gsttee.c:828
#8  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2030200, buffer=buffer@entry=0x7fd85c12b2b0) at gstpad.c:4710
#9  0x00007fd8d515bdf6 in gst_queue_push_one (queue=0x200a5c0) at gstqueue.c:1156
#10 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1264
#11 0x00007fd8ea742e34 in gst_task_func (task=0x324fa30) at gsttask.c:327
#12 0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#13 0x00007fd8f28b3eb5 in g_thread_proxy (data=0x7fd85c002cf0) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#14 0x00007fd8f6e58f8e in start_thread (arg=0x7fd869cec700) at pthread_create.c:311
#15 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7fd8694eb700 (LWP 21077)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x1df7c10, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8ea9c46dc in gst_base_sink_wait_preroll (sink=sink@entry=0x1f833b0) at gstbasesink.c:2279
#3  0x00007fd8ea9c4887 in gst_base_sink_do_preroll (sink=sink@entry=0x1f833b0, obj=obj@entry=0x7fd85c18d280) at gstbasesink.c:2356
#4  0x00007fd8ea9c6205 in gst_base_sink_do_sync (obj_type=2 '\002', step_end=<synthetic pointer>, late=<synthetic pointer>, obj=0x7fd85c18d280, basesink=0x1f833b0, pad=<optimized out>) at gstbasesink.c:2541
#5  gst_base_sink_render_object (basesink=basesink@entry=0x1f833b0, obj_type=obj_type@entry=2 '\002', obj=obj@entry=0x7fd85c18d280, pad=0x1dfc0c0) at gstbasesink.c:2978
#6  0x00007fd8ea9c863f in gst_base_sink_queue_object_unlocked (basesink=basesink@entry=0x1f833b0, obj_type=obj_type@entry=2 '\002', obj=obj@entry=0x7fd85c18d280, prerollable=prerollable@entry=1, pad=0x1dfc0c0) at gstbasesink.c:3295
#7  0x00007fd8ea9c8b48 in gst_base_sink_chain_unlocked (basesink=basesink@entry=0x1f833b0, obj_type=<optimized out>, obj=obj@entry=0x7fd85c18d280, pad=0x1dfc0c0) at gstbasesink.c:3677
#8  0x00007fd8ea9c8e7f in gst_base_sink_chain_main (basesink=0x1f833b0, pad=0x1dfc0c0, obj_type=<optimized out>, obj=0x7fd85c18d280) at gstbasesink.c:3715
#9  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x1dfc6c0, buffer=0x7fd85c18d280) at gstpad.c:4710
#10 0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c18d280) at gstbasetransform.c:2658
#11 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x1dfccc0, buffer=0x7fd85c18d280) at gstpad.c:4710
#12 0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c18d280) at gstbasetransform.c:2658
#13 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x1dfc3c0, buffer=0x7fd85c18d280) at gstpad.c:4710
#14 0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c18d280) at gstbasetransform.c:2658
#15 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x1dfc9c0, buffer=buffer@entry=0x7fd85c18d280) at gstpad.c:4710
#16 0x00007fd8d515bdf6 in gst_queue_push_one (queue=0x200a0a0) at gstqueue.c:1156
#17 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1264
#18 0x00007fd8ea742e34 in gst_task_func (task=0x324f630) at gsttask.c:327
#19 0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#20 0x00007fd8f28b3eb5 in g_thread_proxy (data=0x7fd85c002d40) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#21 0x00007fd8f6e58f8e in start_thread (arg=0x7fd8694eb700) at pthread_create.c:311
#22 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7fd868cea700 (LWP 21078)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x2018330, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8ea9c46dc in gst_base_sink_wait_preroll (sink=sink@entry=0x201ad70) at gstbasesink.c:2279
#3  0x00007fd8ea9c4887 in gst_base_sink_do_preroll (sink=sink@entry=0x201ad70, obj=obj@entry=0x7fd854004a20) at gstbasesink.c:2356
#4  0x00007fd8ea9c6205 in gst_base_sink_do_sync (obj_type=2 '\002', step_end=<synthetic pointer>, late=<synthetic pointer>, obj=0x7fd854004a20, basesink=0x201ad70, pad=<optimized out>) at gstbasesink.c:2541
#5  gst_base_sink_render_object (basesink=basesink@entry=0x201ad70, obj_type=obj_type@entry=2 '\002', obj=obj@entry=0x7fd854004a20, pad=0x1dfce40) at gstbasesink.c:2978
#6  0x00007fd8ea9c863f in gst_base_sink_queue_object_unlocked (basesink=basesink@entry=0x201ad70, obj_type=obj_type@entry=2 '\002', obj=obj@entry=0x7fd854004a20, prerollable=prerollable@entry=1, pad=0x1dfce40) at gstbasesink.c:3295
#7  0x00007fd8ea9c8b48 in gst_base_sink_chain_unlocked (basesink=basesink@entry=0x201ad70, obj_type=<optimized out>, obj=obj@entry=0x7fd854004a20, pad=0x1dfce40) at gstbasesink.c:3677
#8  0x00007fd8ea9c8e7f in gst_base_sink_chain_main (basesink=0x201ad70, pad=0x1dfce40, obj_type=<optimized out>, obj=0x7fd854004a20) at gstbasesink.c:3715
#9  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20117c0, buffer=0x7fd854004a20) at gstpad.c:4710
#10 0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c18d280) at gstbasetransform.c:2658
#11 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20114c0, buffer=0x7fd85c18d280) at gstpad.c:4710
#12 0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c18d280) at gstbasetransform.c:2658
#13 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20111c0, buffer=buffer@entry=0x7fd85c18d280) at gstpad.c:4710
#14 0x00007fd8d515bdf6 in gst_queue_push_one (queue=0x200a330) at gstqueue.c:1156
#15 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1264
#16 0x00007fd8ea742e34 in gst_task_func (task=0x324f730) at gsttask.c:327
#17 0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#18 0x00007fd8f28b3eb5 in g_thread_proxy (data=0x7fd85c002d90) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#19 0x00007fd8f6e58f8e in start_thread (arg=0x7fd868cea700) at pthread_create.c:311
#20 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7fd85bfff700 (LWP 21079)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f28cf83f in g_cond_wait (cond=0x1fb2150, mutex=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:756
#2  0x00007fd8d515ae25 in gst_queue_chain (pad=<optimized out>, buffer=0x7fd85c12b2b0) at gstqueue.c:1014
#3  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2019100, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#4  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20650b0, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#5  0x00007fd8d516690b in gst_tee_handle_data (tee=tee@entry=0x1d8a750, data=0x2065228, data@entry=0x7fd85c12b2b0, is_list=is_list@entry=0) at gsttee.c:722
#6  0x00007fd8d5166adf in gst_tee_chain (pad=<optimized out>, buffer=0x7fd85c12b2b0) at gsttee.c:828
#7  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2058000, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#8  0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20554f0, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#9  0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c12b2b0) at gstbasetransform.c:2658
#10 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x2055af0, buffer=0x7fd85c12b2b0) at gstpad.c:4710
#11 0x00007fd8ea9d68dc in gst_base_transform_chain (pad=<optimized out>, buffer=0x7fd85c12b2b0) at gstbasetransform.c:2658
#12 0x00007fd8ea71cdb1 in gst_pad_push (pad=0x20557f0, buffer=buffer@entry=0x7fd85c12b2b0) at gstpad.c:4710
#13 0x00007fd8d515bdf6 in gst_queue_push_one (queue=0x200b000) at gstqueue.c:1156
#14 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1264
#15 0x00007fd8ea742e34 in gst_task_func (task=0x324f830) at gsttask.c:327
#16 0x00007fd8f28b46f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gthreadpool.c:309
#17 0x00007fd8f28b3eb5 in g_thread_proxy (data=0x7fd85c002de0) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
#18 0x00007fd8f6e58f8e in start_thread (arg=0x7fd85bfff700) at pthread_create.c:311
#19 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fd85b7fe700 (LWP 21080)):
#0  0x00007fd8f80823cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd8f28901dc in g_main_context_poll (n_fds=1, fds=0x7fd8440025c0, timeout=3668, context=0x7fd8440009a0, priority=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3995
#2  g_main_context_iterate (context=context@entry=0x7fd8440009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3696
#3  0x00007fd8f2890304 in g_main_context_iteration (context=0x7fd8440009a0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#4  0x00007fd8f8d22036 in QEventDispatcherGlib::processEvents (this=0x7fd8440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fd8f8cf238f in QEventLoop::processEvents (this=this@entry=0x7fd85b7fddc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fd8f8cf2618 in QEventLoop::exec (this=this@entry=0x7fd85b7fddc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fd8f8bf4410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x24abf60) at thread/qthread_unix.cpp:338
#9  0x00007fd8f6e58f8e in start_thread (arg=0x7fd85b7fe700) at pthread_create.c:311
#10 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fd85adce700 (LWP 21081)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f4f03b27 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fd8f5211660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fd8f4f03b59 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fd8f6e58f8e in start_thread (arg=0x7fd85adce700) at pthread_create.c:311
#4  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fd7b3fff700 (LWP 21116)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd8f8bf714b in wait (time=18446744073709551615, this=0x4ff1780) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4a2f258, mutex=mutex@entry=0x4a2f250, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fd8fa09e786 in QFileInfoGatherer::run (this=0x4a2f240) at dialogs/qfileinfogatherer.cpp:214
#4  0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x4a2f240) at thread/qthread_unix.cpp:338
#5  0x00007fd8f6e58f8e in start_thread (arg=0x7fd7b3fff700) at pthread_create.c:311
#6  0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fd7b8b56700 (LWP 21117)):
#0  0x00007fd8f8080b0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd8f28ce6cf in read (__nbytes=16, __buf=0x7fd7b8b55ba0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7fd7b4001f90) at /build/buildd/glib2.0-2.36.0/./glib/gwakeup.c:212
#3  0x00007fd8f288fd3c in g_main_context_check (context=context@entry=0x7fd7b4003440, max_priority=2147483647, fds=fds@entry=0x7fd7b4003e50, n_fds=n_fds@entry=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3502
#4  0x00007fd8f2890175 in g_main_context_iterate (context=context@entry=0x7fd7b4003440, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3698
#5  0x00007fd8f2890304 in g_main_context_iteration (context=0x7fd7b4003440, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#6  0x00007fd8f8d22036 in QEventDispatcherGlib::processEvents (this=0x7fd7b4003370, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007fd8f8cf238f in QEventLoop::processEvents (this=this@entry=0x7fd7b8b55d90, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fd8f8cf2618 in QEventLoop::exec (this=this@entry=0x7fd7b8b55d90, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fd8f8bf4410 in QThread::exec (this=this@entry=0x4ff1880) at thread/qthread.cpp:542
#10 0x00007fd8f8cd3edf in QInotifyFileSystemWatcherEngine::run (this=0x4ff1880) at io/qfilesystemwatcher_inotify.cpp:256
#11 0x00007fd8f8bf6bec in QThreadPrivate::start (arg=0x4ff1880) at thread/qthread_unix.cpp:338
#12 0x00007fd8f6e58f8e in start_thread (arg=0x7fd7b8b56700) at pthread_create.c:311
#13 0x00007fd8f808ee1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fd8e6e0a7c0 (LWP 21059)):
[KCrash Handler]
#6  0x00007fd8fbd8648a in QMap<int, KSharedPtr<Meta::Album> >::value (this=0x35e2c68, akey=@0x7fff00cb4c94: 1) at /usr/include/qt4/QtCore/qmap.h:502
#7  0x00007fd8fbd84d6d in Collections::ServiceCollection::albumById (this=0x35e2c10, id=1) at /home/mark/Devel/src/amarok/src/services/ServiceCollection.cpp:133
#8  0x00007fd8fbb90bc2 in Collections::ScriptableServiceQueryMaker::fetchTracks (this=0x51c8620) at /home/mark/Devel/src/amarok/src/services/scriptable/ScriptableServiceQueryMaker.cpp:312
#9  0x00007fd8fbb92356 in Collections::ScriptableServiceQueryMaker::qt_static_metacall (_o=0x51c8620, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x51ca550) at /home/mark/Devel/build/amarok/src/ScriptableServiceQueryMaker.moc:59
#10 0x00007fd8f8d0d5be in QObject::event (this=0x51c8620, e=<optimized out>) at kernel/qobject.cpp:1194
#11 0x00007fd8f9bad8ec in QApplicationPrivate::notify_helper (this=this@entry=0x19e56c0, receiver=receiver@entry=0x51c8620, e=e@entry=0x51ca180) at kernel/qapplication.cpp:4567
#12 0x00007fd8f9bb025b in QApplication::notify (this=this@entry=0x7fff00cb5de8, receiver=receiver@entry=0x51c8620, e=e@entry=0x51ca180) at kernel/qapplication.cpp:4428
#13 0x00007fd8fc836af6 in KApplication::notify (this=0x7fff00cb5de8, receiver=0x51c8620, event=0x51ca180) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007fd8f8cf363e in QCoreApplication::notifyInternal (this=0x7fff00cb5de8, receiver=receiver@entry=0x51c8620, event=event@entry=0x51ca180) at kernel/qcoreapplication.cpp:946
#15 0x00007fd8f8cf7171 in sendEvent (event=0x51ca180, receiver=0x51c8620) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x18f51f0) at kernel/qcoreapplication.cpp:1570
#17 0x00007fd8f8cf74a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#18 0x00007fd8f8d21e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#19 postEventSourceDispatch (s=s@entry=0x19e4940) at kernel/qeventdispatcher_glib.cpp:279
#20 0x00007fd8f288ff05 in g_main_dispatch (context=0x19e4880) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3054
#21 g_main_context_dispatch (context=context@entry=0x19e4880) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3630
#22 0x00007fd8f2890248 in g_main_context_iterate (context=context@entry=0x19e4880, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3701
#23 0x00007fd8f2890304 in g_main_context_iteration (context=0x19e4880, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#24 0x00007fd8f8d22016 in QEventDispatcherGlib::processEvents (this=0x19d7d90, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#25 0x00007fd8f9c5313e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007fd8f8cf238f in QEventLoop::processEvents (this=this@entry=0x7fff00cb5720, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007fd8f8cf2618 in QEventLoop::exec (this=this@entry=0x7fff00cb5720, flags=...) at kernel/qeventloop.cpp:204
#28 0x00007fd8f8cf7cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#29 0x000000000040f92e in main (argc=4, argv=0x7fff00cb7188) at /home/mark/Devel/src/amarok/src/main.cpp:329


Reproducible: Always