Bug 306811

Summary: amarok stops playing and crashes sometimes
Product: [Applications] amarok Reporter: Alan Ezust <alan.ezust>
Component: generalAssignee: Amarok Developers <amarok-bugs-dist>
Status: RESOLVED DUPLICATE    
Severity: crash    
Priority: NOR    
Version: unspecified   
Target Milestone: 2.7   
Platform: Debian testing   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Alan Ezust 2012-09-14 21:27:33 UTC 
Application: amarok (2.5-GIT)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.2
Operating System: Linux 3.1.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (wheezy)

-- Information about the crash:
- What I was doing when the application crashed:
randomly shuffling a playlist that had 5000+ tracks in it.
It stops playing and then when I hit the play button I get this crash.

The crash can be reproduced some of the time.

-- 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 0x7faa432397a0 (LWP 27553))]

Thread 7 (Thread 0x7faa21f89700 (LWP 27557)):
#0  0x00007faa3f9ffac3 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007faa3a7684d4 in g_main_context_poll (n_fds=1, fds=0x2292e90, timeout=-1, context=0x23c0e10, priority=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3440
#2  g_main_context_iterate (context=context@entry=0x23c0e10, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3141
#3  0x00007faa3a7685f4 in g_main_context_iteration (context=0x23c0e10, may_block=1) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#4  0x00007faa40381296 in QEventDispatcherGlib::processEvents (this=0x2294550, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007faa403518af in QEventLoop::processEvents (this=this@entry=0x7faa21f88d10, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007faa40351b38 in QEventLoop::exec (this=0x7faa21f88d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007faa40254d70 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007faa403321bf in QInotifyFileSystemWatcherEngine::run (this=0x23c00d0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007faa40257d0b in QThreadPrivate::start (arg=0x23c00d0) at thread/qthread_unix.cpp:307
#10 0x00007faa316c74d4 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#11 0x00007faa3c229b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#12 0x00007faa3fa0a70d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7faa212b4700 (LWP 27558)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007faa4025820b in wait (time=18446744073709551615, this=0x40bd3a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x23d3140, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007faa3d7c8301 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x40c0300, th=0x23d5130) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007faa3d7cab4b in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x23d5130) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007faa3d7cab64 in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x23d5130) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007faa3d7c99bf in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7faa212b3d40, parent=0x40c0300, th=th@entry=0x23d5130) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007faa3d7c9a4b in ThreadWeaver::Thread::run (this=0x23d5130) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007faa40257d0b in QThreadPrivate::start (arg=0x23d5130) at thread/qthread_unix.cpp:307
#9  0x00007faa316c74d4 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#10 0x00007faa3c229b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#11 0x00007faa3fa0a70d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7faa20ab3700 (LWP 27559)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007faa4025820b in wait (time=18446744073709551615, this=0x40bd3a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x23d3140, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007faa3d7c8301 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x40c0300, th=0x7faa1c013840) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007faa3d7cab4b in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa1c013840) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007faa3d7c99bf in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7faa20ab2d40, parent=0x40c0300, th=th@entry=0x7faa1c013840) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007faa3d7c9a4b in ThreadWeaver::Thread::run (this=0x7faa1c013840) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007faa40257d0b in QThreadPrivate::start (arg=0x7faa1c013840) at thread/qthread_unix.cpp:307
#8  0x00007faa316c74d4 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#9  0x00007faa3c229b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#10 0x00007faa3fa0a70d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7faa13fff700 (LWP 27560)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007faa4025820b in wait (time=18446744073709551615, this=0x40bd3a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x23d3140, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007faa3d7c8301 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x40c0300, th=0x7faa1c03ced0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007faa3d7cab4b in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa1c03ced0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007faa3d7cab64 in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa1c03ced0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007faa3d7c99bf in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7faa13ffed40, parent=0x40c0300, th=th@entry=0x7faa1c03ced0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007faa3d7c9a4b in ThreadWeaver::Thread::run (this=0x7faa1c03ced0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007faa40257d0b in QThreadPrivate::start (arg=0x7faa1c03ced0) at thread/qthread_unix.cpp:307
#9  0x00007faa316c74d4 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#10 0x00007faa3c229b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#11 0x00007faa3fa0a70d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7faa1bff7700 (LWP 27561)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007faa4025820b in wait (time=18446744073709551615, this=0x40bd3a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x23d3140, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007faa3d7c8301 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x40c0300, th=0x7faa0c000af0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007faa3d7cab4b in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa0c000af0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007faa3d7cab64 in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa0c000af0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007faa3d7cab64 in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa0c000af0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007faa3d7cab64 in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa0c000af0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007faa3d7cab64 in ThreadWeaver::WorkingHardState::applyForWork (this=0x243ae20, th=0x7faa0c000af0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007faa3d7c99bf in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7faa1bff6d40, parent=0x40c0300, th=th@entry=0x7faa0c000af0) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x00007faa3d7c9a4b in ThreadWeaver::Thread::run (this=0x7faa0c000af0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007faa40257d0b in QThreadPrivate::start (arg=0x7faa0c000af0) at thread/qthread_unix.cpp:307
#12 0x00007faa316c74d4 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#13 0x00007faa3c229b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#14 0x00007faa3fa0a70d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7faa194a4700 (LWP 28269)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007faa3c22c36f in _L_lock_1145 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007faa3c22c2ba in __pthread_mutex_lock (mutex=0x2026040) at pthread_mutex_lock.c:101
#3  0x00007faa3a7a41b1 in g_mutex_lock (mutex=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:208
#4  0x00007faa3221a0e5 in gst_element_post_message () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#5  0x00007faa322048b7 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#6  0x00007faa3223af1d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#7  0x00007faa22bd030e in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstplaybin.so
#8  0x00007faa322021a8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#9  0x00007faa3220be38 in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#10 0x00007faa3221a10a in gst_element_post_message () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#11 0x00007faa322048b7 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#12 0x00007faa1a4914c7 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstdecodebin2.so
#13 0x00007faa322021a8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#14 0x00007faa3220be38 in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#15 0x00007faa3221a10a in gst_element_post_message () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#16 0x00007faa322048b7 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#17 0x00007faa322021a8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#18 0x00007faa3220be38 in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#19 0x00007faa3221a10a in gst_element_post_message () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#20 0x00007faa3221b5a9 in gst_element_continue_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#21 0x00007faa3221b04f in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#22 0x00007faa3221b922 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#23 0x00007faa1a48f1fa in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstdecodebin2.so
#24 0x00007faa1a490576 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstdecodebin2.so
#25 0x00007faa1a490948 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstdecodebin2.so
#26 0x00007faa39e02724 in g_closure_invoke (closure=0x559da70, return_value=0x0, n_param_values=2, param_values=0x7faa194a35c0, invocation_hint=0x7faa194a3560) at /tmp/buildd/glib2.0-2.32.3/./gobject/gclosure.c:777
#27 0x00007faa39e137b0 in signal_emit_unlocked_R (node=node@entry=0x1e1f7c0, detail=detail@entry=209, instance=instance@entry=0x4638600, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7faa194a35c0) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3547
#28 0x00007faa39e1b72c in g_signal_emit_valist (instance=0x4638600, signal_id=<optimized out>, detail=209, var_args=var_args@entry=0x7faa194a3818) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3296
#29 0x00007faa39e1b8c2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3352
#30 0x00007faa39e070e5 in g_object_dispatch_properties_changed (object=0x4638600, n_pspecs=128, pspecs=0x2b) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1041
#31 0x00007faa32200f83 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#32 0x00007faa39e08ae3 in g_object_notify_by_spec_internal (pspec=<optimized out>, object=0x4638600) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1133
#33 g_object_notify_by_pspec (object=0x4638600, pspec=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1234
#34 0x00007faa3223264b in gst_pad_set_caps () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#35 0x00007faa196b768c in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstaudioparsers.so
#36 0x00007faa324d6fe4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-0.10.so.0
#37 0x00007faa324d98fd in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-0.10.so.0
#38 0x00007faa3225eb24 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#39 0x00007faa3a78b5f2 in g_thread_pool_thread_proxy (data=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./glib/gthreadpool.c:309
#40 0x00007faa3a78adf5 in g_thread_proxy (data=0x7faa15e21a80) at /tmp/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#41 0x00007faa316c74d4 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#42 0x00007faa3c229b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#43 0x00007faa3fa0a70d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#44 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7faa432397a0 (LWP 27553)):
[KCrash Handler]
#6  0x00007faa39e0bf6e in g_value_set_object (value=0x7fffd4af83c0, v_object=0x7faa39e055d0) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:3411
#7  0x00007faa22bd5c2f in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstplaybin.so
#8  0x00007faa39e0a0be in object_get_property (value=0x7fffd4af83c0, pspec=<optimized out>, object=0x2027e80) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1289
#9  g_object_get_valist (object=object@entry=0x2027e80, first_property_name=first_property_name@entry=0x7faa2500abe3 "source", var_args=var_args@entry=0x7fffd4af8468) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:2014
#10 0x00007faa39e0a547 in g_object_get (_object=0x2027e80, first_property_name=0x7faa2500abe3 "source") at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:2104
#11 0x00007faa24ff9921 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#12 0x00007faa39e02724 in g_closure_invoke (closure=0x2259f00, return_value=0x0, n_param_values=2, param_values=0x7fffd4af8850, invocation_hint=0x7fffd4af87f0) at /tmp/buildd/glib2.0-2.32.3/./gobject/gclosure.c:777
#13 0x00007faa39e137b0 in signal_emit_unlocked_R (node=node@entry=0x1e1f7c0, detail=detail@entry=2145, instance=instance@entry=0x2027e80, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffd4af8850) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3547
#14 0x00007faa39e1b72c in g_signal_emit_valist (instance=0x2027e80, signal_id=<optimized out>, detail=2145, var_args=var_args@entry=0x7fffd4af8aa8) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3296
#15 0x00007faa39e1b8c2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3352
#16 0x00007faa39e070e5 in g_object_dispatch_properties_changed (object=0x2027e80, n_pspecs=2, pspecs=0x0) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1041
#17 0x00007faa32200f83 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#18 0x00007faa39e089cb in g_object_notify_by_spec_internal (pspec=0x2226400, object=0x2027e80) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1133
#19 g_object_notify (object=0x2027e80, property_name=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1175
#20 0x00007faa22bd1f63 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstplaybin.so
#21 0x00007faa39e02724 in g_closure_invoke (closure=0x7fa9f845ab20, return_value=0x0, n_param_values=2, param_values=0x7fffd4af8e60, invocation_hint=0x7fffd4af8e00) at /tmp/buildd/glib2.0-2.32.3/./gobject/gclosure.c:777
#22 0x00007faa39e137b0 in signal_emit_unlocked_R (node=node@entry=0x1e1f7c0, detail=detail@entry=2145, instance=instance@entry=0x43be9d0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffd4af8e60) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3547
#23 0x00007faa39e1b72c in g_signal_emit_valist (instance=0x43be9d0, signal_id=<optimized out>, detail=2145, var_args=var_args@entry=0x7fffd4af90b8) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3296
#24 0x00007faa39e1b8c2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3352
#25 0x00007faa39e070e5 in g_object_dispatch_properties_changed (object=0x43be9d0, n_pspecs=2, pspecs=0x0) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1041
#26 0x00007faa32200f83 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#27 0x00007faa39e089cb in g_object_notify_by_spec_internal (pspec=0x20270a0, object=0x43be9d0) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1133
#28 g_object_notify (object=0x43be9d0, property_name=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gobject/gobject.c:1175
#29 0x00007faa1a494d8b in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstdecodebin2.so
#30 0x00007faa3221afcc in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#31 0x00007faa3221b922 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#32 0x00007faa3220870a in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#33 0x00007faa3223b528 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#34 0x00007faa22bd3ce0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstplaybin.so
#35 0x00007faa3221afcc in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#36 0x00007faa3221b922 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
#37 0x00007faa24ffa53a in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#38 0x00007faa4211e5bd in EngineController::playUrl (this=0x1c54fc0, url=..., offset=0) at /home/kde/src/amarok/src/EngineController.cpp:505
#39 0x00007faa4211d901 in EngineController::play (this=0x1c54fc0, track=..., offset=0) at /home/kde/src/amarok/src/EngineController.cpp:395
#40 0x00007faa41dbabf3 in Playlist::Actions::play (this=0x23d1580, trackid=2069960008487811448, now=true) at /home/kde/src/amarok/src/playlist/PlaylistActions.cpp:224
#41 0x00007faa41dba9af in Playlist::Actions::play (this=0x23d1580) at /home/kde/src/amarok/src/playlist/PlaylistActions.cpp:191
#42 0x00007faa4211d249 in EngineController::play (this=0x1c54fc0) at /home/kde/src/amarok/src/EngineController.cpp:350
#43 0x00007faa4211f0df in EngineController::playPause (this=0x1c54fc0) at /home/kde/src/amarok/src/EngineController.cpp:608
#44 0x00007faa42124e10 in EngineController::qt_static_metacall (_o=0x1c54fc0, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x7fffd4af9f60) at /home/kde/build/master/src/EngineController.moc:176
#45 0x00007faa4036854f in QMetaObject::activate (sender=0x7faa0c29a6d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd4af9f60) at kernel/qobject.cpp:3547
#46 0x00007faa40d5c502 in QAction::triggered (this=this@entry=0x7faa0c29a6d0, _t1=true) at .moc/release-shared/moc_qaction.cpp:277
#47 0x00007faa40d5c6f0 in QAction::activate (this=0x7faa0c29a6d0, event=<optimized out>) at kernel/qaction.cpp:1257
#48 0x00007faa42c987d1 in trigger (this=0x7faa0c29a6d0) at /usr/include/qt4/QtGui/qaction.h:218
#49 KGlobalAccelPrivate::_k_invokeAction (this=0x7faa0c4242e0, componentUnique=..., actionUnique=..., timestamp=789775960) at ../../kdeui/shortcuts/kglobalaccel.cpp:449
#50 0x00007faa4036854f in QMetaObject::activate (sender=0x7faa1c18ae90, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd4afa170) at kernel/qobject.cpp:3547
#51 0x00007faa42d97249 in OrgKdeKglobalaccelComponentInterface::globalShortcutPressed (this=<optimized out>, _t1=..., _t2=..., _t3=789775960) at kglobalaccel_component_interface.moc:164
#52 0x00007faa42d976b4 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at kglobalaccel_component_interface.moc:75
#53 OrgKdeKglobalaccelComponentInterface::qt_static_metacall (_o=0x7faa1c18ae90, _c=<optimized out>, _id=<optimized out>, _a=0x7fffd4afa4c0) at kglobalaccel_component_interface.moc:69
#54 0x00007faa42d97d1f in OrgKdeKglobalaccelComponentInterface::qt_metacall (this=0x7faa1c18ae90, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffd4afa4c0) at kglobalaccel_component_interface.moc:130
#55 0x00007faa3e41fc13 in QDBusConnectionPrivate::deliverCall (this=0x1c54670, object=0x7faa1c18ae90, msg=..., metaTypes=..., slotIdx=5) at qdbusintegrator.cpp:947
#56 0x00007faa40367a2e in QObject::event (this=0x7faa1c18ae90, e=<optimized out>) at kernel/qobject.cpp:1195
#57 0x00007faa40d6270c in QApplicationPrivate::notify_helper (this=this@entry=0x1c6bd60, receiver=receiver@entry=0x7faa1c18ae90, e=e@entry=0x412b670) at kernel/qapplication.cpp:4556
#58 0x00007faa40d66b8a in QApplication::notify (this=0x7fffd4afaeb0, receiver=0x7faa1c18ae90, e=0x412b670) at kernel/qapplication.cpp:4417
#59 0x00007faa42c548a6 in KApplication::notify (this=0x7fffd4afaeb0, receiver=0x7faa1c18ae90, event=0x412b670) at ../../kdeui/kernel/kapplication.cpp:311
#60 0x00007faa40352b5e in QCoreApplication::notifyInternal (this=0x7fffd4afaeb0, receiver=receiver@entry=0x7faa1c18ae90, event=event@entry=0x412b670) at kernel/qcoreapplication.cpp:915
#61 0x00007faa403569e1 in sendEvent (event=0x412b670, receiver=0x7faa1c18ae90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#62 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1ac01f0) at kernel/qcoreapplication.cpp:1539
#63 0x00007faa403810e3 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#64 postEventSourceDispatch (s=s@entry=0x1c6b970) at kernel/qeventdispatcher_glib.cpp:279
#65 0x00007faa3a768205 in g_main_dispatch (context=0x1c6ba90) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:2539
#66 g_main_context_dispatch (context=context@entry=0x1c6ba90) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3075
#67 0x00007faa3a768538 in g_main_context_iterate (context=context@entry=0x1c6ba90, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
#68 0x00007faa3a7685f4 in g_main_context_iteration (context=0x1c6ba90, may_block=1) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#69 0x00007faa40381276 in QEventDispatcherGlib::processEvents (this=0x1ac1ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#70 0x00007faa40e0383e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#71 0x00007faa403518af in QEventLoop::processEvents (this=this@entry=0x7fffd4afae40, flags=...) at kernel/qeventloop.cpp:149
#72 0x00007faa40351b38 in QEventLoop::exec (this=0x7fffd4afae40, flags=...) at kernel/qeventloop.cpp:204
#73 0x00007faa40356cf8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#74 0x000000000040cb8c in main (argc=3, argv=0x7fffd4afd398) at /home/kde/src/amarok/src/main.cpp:306

Possible duplicates by query: bug 306739, bug 306702, bug 306300, bug 305928, bug 305461.

Reported using DrKonqi
Comment 1 Myriam Schweingruber 2012-09-15 11:50:34 UTC 
> #7  0x00007faa22bd5c2f in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstplaybin.so

as the backtrace shows this is a problem upstream with gstreamer

*** This bug has been marked as a duplicate of bug 290706 ***