Bug 329745

Summary: crash when changing songs in playlist
Product: [Applications] amarok Reporter: Vincent Zwanenburg <vincentz>
Component: generalAssignee: Amarok Bugs <amarok-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 2.8.0   
Target Milestone: 2.9   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Vincent Zwanenburg 2014-01-09 01:14:41 UTC 
Application: amarok (2.8.0)
KDE Platform Version: 4.12.0
Qt Version: 4.8.4
Operating System: Linux 3.11.0-15-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
Changed a song in the Amarok playlist. It works correctly after a fresh restart, however, after a brief time-out the problem re-appears over and over again.

The crash can be reproduced every 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 0x7ff5dd9b77c0 (LWP 19727))]

Thread 14 (Thread 0x7ff5ae010700 (LWP 19733)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007ff5dad6d3e4 in wait (time=60000, this=0xfa2140) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0xf4a1a0, mutex=mutex@entry=0xf4a198, time=time@entry=60000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff5dc9fb12e in AbstractDirectoryWatcher::run (this=0xf4a170) at ../../src/scanner/AbstractDirectoryWatcher.cpp:65
#4  0x00007ff5d7f8fcb2 in ThreadWeaver::JobRunHelper::runTheJob (this=this@entry=0x7ff5ae00fd70, th=th@entry=0x9bc4e0, job=job@entry=0xf4a170) at ../../../threadweaver/Weaver/Job.cpp:106
#5  0x00007ff5d7f8fe6e in ThreadWeaver::Job::execute (this=0xf4a170, th=0x9bc4e0) at ../../../threadweaver/Weaver/Job.cpp:135
#6  0x00007ff5d7f8f6bb in ThreadWeaver::Thread::run (this=0x9bc4e0) at ../../../threadweaver/Weaver/Thread.cpp:108
#7  0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0x9bc4e0) at thread/qthread_unix.cpp:338
#8  0x00007ff5d6a10f6e in start_thread (arg=0x7ff5ae010700) at pthread_create.c:311
#9  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 13 (Thread 0x7ff5ac80e700 (LWP 19734)):
#0  0x00007ff5d53bad45 in g_main_context_prepare (context=context@entry=0x7ff5a00009a0, priority=priority@entry=0x7ff5ac80dc38) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3339
#1  0x00007ff5d53bb5c3 in g_main_context_iterate (context=context@entry=0x7ff5a00009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3692
#2  0x00007ff5d53bb7ac in g_main_context_iteration (context=0x7ff5a00009a0, may_block=1) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3773
#3  0x00007ff5dae99a76 in QEventDispatcherGlib::processEvents (this=0x7ff5a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ff5dae6b5ef in QEventLoop::processEvents (this=this@entry=0x7ff5ac80dd70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff5dae6b8e5 in QEventLoop::exec (this=this@entry=0x7ff5ac80dd70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff5dad6a88f in QThread::exec (this=this@entry=0xfa4eb0) at thread/qthread.cpp:542
#7  0x00007ff5dae4cd13 in QInotifyFileSystemWatcherEngine::run (this=0xfa4eb0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0xfa4eb0) at thread/qthread_unix.cpp:338
#9  0x00007ff5d6a10f6e in start_thread (arg=0x7ff5ac80e700) at pthread_create.c:311
#10 0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 12 (Thread 0x7ff5a6edc700 (LWP 19737)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5dad6d406 in wait (time=18446744073709551615, this=0xfa31f0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xfa30f8, mutex=0x9d9ed0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff5d7f8de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfa30d0, th=0x111f580) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff5d7f90903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d990, th=0x111f580, previous=0x7ff59c0086a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff5d7f8f61f in ThreadWeaver::Thread::run (this=0x111f580) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0x111f580) at thread/qthread_unix.cpp:338
#7  0x00007ff5d6a10f6e in start_thread (arg=0x7ff5a6edc700) at pthread_create.c:311
#8  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 11 (Thread 0x7ff5a60a1700 (LWP 19738)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5dad6d406 in wait (time=18446744073709551615, this=0xfa31f0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xfa30f8, mutex=0x9d9ed0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff5d7f8de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfa30d0, th=0x13fdb40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff5d7f90903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d990, th=0x13fdb40, previous=0x7ff59c03b520) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff5d7f8f61f in ThreadWeaver::Thread::run (this=0x13fdb40) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0x13fdb40) at thread/qthread_unix.cpp:338
#7  0x00007ff5d6a10f6e in start_thread (arg=0x7ff5a60a1700) at pthread_create.c:311
#8  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7ff5a58a0700 (LWP 19739)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5dad6d406 in wait (time=18446744073709551615, this=0xfa31f0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xfa30f8, mutex=0x9d9ed0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff5d7f8de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfa30d0, th=0x1402c90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff5d7f90903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d990, th=0x1402c90, previous=0x2d34830) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff5d7f8f61f in ThreadWeaver::Thread::run (this=0x1402c90) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0x1402c90) at thread/qthread_unix.cpp:338
#7  0x00007ff5d6a10f6e in start_thread (arg=0x7ff5a58a0700) at pthread_create.c:311
#8  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7ff593fff700 (LWP 19740)):
#0  0x00007ff5d53bad61 in g_main_context_prepare (context=context@entry=0x7ff58c0009a0, priority=priority@entry=0x7ff593ffec38) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3342
#1  0x00007ff5d53bb5c3 in g_main_context_iterate (context=context@entry=0x7ff58c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3692
#2  0x00007ff5d53bb7ac in g_main_context_iteration (context=0x7ff58c0009a0, may_block=1) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3773
#3  0x00007ff5dae99a76 in QEventDispatcherGlib::processEvents (this=0x7ff58c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ff5dae6b5ef in QEventLoop::processEvents (this=this@entry=0x7ff593ffed70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff5dae6b8e5 in QEventLoop::exec (this=this@entry=0x7ff593ffed70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff5dad6a88f in QThread::exec (this=this@entry=0x16d6710) at thread/qthread.cpp:542
#7  0x00007ff5dae4cd13 in QInotifyFileSystemWatcherEngine::run (this=0x16d6710) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0x16d6710) at thread/qthread_unix.cpp:338
#9  0x00007ff5d6a10f6e in start_thread (arg=0x7ff593fff700) at pthread_create.c:311
#10 0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7ff591084700 (LWP 19741)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5935931eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007ff5d6a10f6e in start_thread (arg=0x7ff591084700) at pthread_create.c:311
#3  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7ff58bfff700 (LWP 19742)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5d180c1cd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ff5d180c209 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ff5d6a10f6e in start_thread (arg=0x7ff58bfff700) at pthread_create.c:311
#4  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7ff54ace6700 (LWP 19749)):
#0  0x00007ff5da7126bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff5d53fa670 in read (__nbytes=16, __buf=0x7ff54ace5bb0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7ff544001620) at /build/buildd/glib2.0-2.38.1/./glib/gwakeup.c:212
#3  0x00007ff5d53bb1cc in g_main_context_check (context=context@entry=0x7ff53c0009a0, max_priority=2147483647, fds=fds@entry=0x7ff53c0021c0, n_fds=n_fds@entry=1) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3513
#4  0x00007ff5d53bb63b in g_main_context_iterate (context=context@entry=0x7ff53c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3709
#5  0x00007ff5d53bb7ac in g_main_context_iteration (context=0x7ff53c0009a0, may_block=1) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3773
#6  0x00007ff5dae99a76 in QEventDispatcherGlib::processEvents (this=0x7ff53c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007ff5dae6b5ef in QEventLoop::processEvents (this=this@entry=0x7ff54ace5db0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007ff5dae6b8e5 in QEventLoop::exec (this=this@entry=0x7ff54ace5db0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007ff5dad6a88f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#10 0x00007ff5dad6cf2f in QThreadPrivate::start (arg=0x1712fd0) at thread/qthread_unix.cpp:338
#11 0x00007ff5d6a10f6e in start_thread (arg=0x7ff54ace6700) at pthread_create.c:311
#12 0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7ff549e68700 (LWP 19750)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5d6feb06b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff5d6feb0a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff5d6a10f6e in start_thread (arg=0x7ff549e68700) at pthread_create.c:311
#4  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7ff4a57fa700 (LWP 19964)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff5d154cbbd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ff5d183ba76 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ff5d6a10f6e in start_thread (arg=0x7ff4a57fa700) at pthread_create.c:311
#4  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7ff4a77fe700 (LWP 21521)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007ff5d6a13192 in _L_lock_1142 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ff5d6a13110 in __GI___pthread_mutex_lock (mutex=0xe91d40) at pthread_mutex_lock.c:104
#3  0x00007ff5d53fb3a1 in g_mutex_lock (mutex=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/gthread-posix.c:213
#4  0x00007ff5cc3a4201 in gst_bin_handle_message_func (bin=0xe94e10, message=0x2ed64d0) at gstbin.c:3315
#5  0x00007ff5cc3d6765 in gst_pipeline_handle_message (bin=0xe94e10, message=0x2ed64d0) at gstpipeline.c:587
#6  0x00007ff5b9f6c359 in gst_play_bin_handle_message (bin=0xe94e10, msg=0x2ed64d0) at gstplaybin2.c:2387
#7  0x00007ff5cc3a0f28 in bin_bus_handler (bus=bus@entry=0xaae4e0, message=message@entry=0x2ed64d0, bin=bin@entry=0xe94e10) at gstbin.c:2793
#8  0x00007ff5cc3aab22 in gst_bus_post (bus=bus@entry=0xaae4e0, message=message@entry=0x2ed64d0) at gstbus.c:322
#9  0x00007ff5cc3b83c3 in gst_element_post_message (element=element@entry=0xe960a0, message=message@entry=0x2ed64d0) at gstelement.c:1853
#10 0x00007ff5cc3a3fc4 in gst_bin_handle_message_func (bin=0xe960a0, message=0x2ed64d0) at gstbin.c:3442
#11 0x00007ff5b9f731e5 in gst_play_sink_handle_message (bin=0xe960a0, message=0x2ed64d0) at gstplaysink.c:3335
#12 0x00007ff5cc3a0f28 in bin_bus_handler (bus=bus@entry=0xaae660, message=message@entry=0x2ed64d0, bin=bin@entry=0xe960a0) at gstbin.c:2793
#13 0x00007ff5cc3aab22 in gst_bus_post (bus=bus@entry=0xaae660, message=message@entry=0x2ed64d0) at gstbus.c:322
#14 0x00007ff5cc3b83c3 in gst_element_post_message (element=element@entry=0xc85d10, message=message@entry=0x2ed64d0) at gstelement.c:1853
#15 0x00007ff5cc3a2959 in gst_bin_add_func (bin=0xe960a0, element=0xc85d10) at gstbin.c:1159
#16 0x00007ff5b9f72945 in add_chain (chain=0x7ff4b03fd350, add=add@entry=1) at gstplaysink.c:944
#17 0x00007ff5b9f76b52 in gst_play_sink_reconfigure (playsink=playsink@entry=0xe960a0) at gstplaysink.c:2450
#18 0x00007ff5b9f79245 in sinkpad_blocked_cb (blockedpad=blockedpad@entry=0x7ff4b00cc740, blocked=blocked@entry=1, user_data=user_data@entry=0xe960a0) at gstplaysink.c:2997
#19 0x00007ff5cc39cd46 in handle_pad_block (pad=0x7ff4b00cc740) at gstpad.c:4073
#20 0x00007ff5cc3d4ad8 in gst_pad_push_event (pad=pad@entry=0x7ff4b00cc740, event=event@entry=0xc5b010) at gstpad.c:5248
#21 0x00007ff5cc3bf513 in gst_proxy_pad_event_default (pad=pad@entry=0x7ff4b003ba60, event=event@entry=0xc5b010) at gstghostpad.c:132
#22 0x00007ff5cc3d45b6 in gst_pad_send_event (pad=pad@entry=0x7ff4b003ba60, event=event@entry=0xc5b010) at gstpad.c:5425
#23 0x00007ff5b9f6c823 in stream_changed_data_probe (pad=0x7ff4b003ba60, object=0xc5b010, data=0xe95328) at gstplaybin2.c:2471
#24 0x00007ff5cc4100f5 in gst_marshal_BOOLEAN__POINTER (closure=0x7ff4b03273d0, return_value=0x7ff4a77fd530, n_param_values=<optimized out>, param_values=0x7ff4a77fd690, invocation_hint=<optimized out>, marshal_data=0x0) at gstmarshal.c:586
#25 0x00007ff5d4a51188 in g_closure_invoke (closure=0x7ff4b03273d0, return_value=0x7ff4a77fd530, n_param_values=2, param_values=0x7ff4a77fd690, invocation_hint=0x7ff4a77fd580) at /build/buildd/glib2.0-2.38.1/./gobject/gclosure.c:777
#26 0x00007ff5d4a62b1d in signal_emit_unlocked_R (node=node@entry=0xa983b0, detail=detail@entry=191, instance=instance@entry=0x7ff4b003ba60, emission_return=emission_return@entry=0x7ff4a77fd670, instance_and_params=instance_and_params@entry=0x7ff4a77fd690) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3586
#27 0x00007ff5d4a699e1 in g_signal_emitv (instance_and_params=instance_and_params@entry=0x7ff4a77fd690, signal_id=<optimized out>, detail=191, return_value=return_value@entry=0x7ff4a77fd670) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3063
#28 0x00007ff5cc39d04d in gst_pad_emit_have_data_signal (pad=pad@entry=0x7ff4b003ba60, obj=obj@entry=0xc5b010) at gstpad.c:4167
#29 0x00007ff5cc3d4452 in gst_pad_send_event (pad=pad@entry=0x7ff4b003ba60, event=event@entry=0xc5b010) at gstpad.c:5370
#30 0x00007ff5cc3d4b7a in gst_pad_push_event (pad=0x7ff4b03029b0, event=event@entry=0xc5b010) at gstpad.c:5277
#31 0x00007ff5ba5d0525 in gst_selector_pad_event (pad=pad@entry=0x7ff4b0164080, event=event@entry=0xc5b010) at gstinputselector.c:509
#32 0x00007ff5cc3d45b6 in gst_pad_send_event (pad=pad@entry=0x7ff4b0164080, event=event@entry=0xc5b010) at gstpad.c:5425
#33 0x00007ff5cc3d4b7a in gst_pad_push_event (pad=pad@entry=0x7ff4b003b550, event=event@entry=0xc5b010) at gstpad.c:5277
#34 0x00007ff5cc3bf513 in gst_proxy_pad_event_default (pad=pad@entry=0x7ff4b0014a00, event=event@entry=0xc5b010) at gstghostpad.c:132
#35 0x00007ff5cc3d45b6 in gst_pad_send_event (pad=pad@entry=0x7ff4b0014a00, event=event@entry=0xc5b010) at gstpad.c:5425
#36 0x00007ff5cc3d4b7a in gst_pad_push_event (pad=pad@entry=0x2e93120, event=event@entry=0xc5b010) at gstpad.c:5277
#37 0x00007ff5cc3bf513 in gst_proxy_pad_event_default (pad=pad@entry=0x7ff4b00ccc20, event=event@entry=0xc5b010) at gstghostpad.c:132
#38 0x00007ff5cc3d45b6 in gst_pad_send_event (pad=pad@entry=0x7ff4b00ccc20, event=event@entry=0xc5b010) at gstpad.c:5425
#39 0x00007ff5cc3d4b7a in gst_pad_push_event (pad=0x7ff4b0410790, event=0xc5b010) at gstpad.c:5277
#40 0x00007ff4b58cc33f in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstflump3dec.so
#41 0x00007ff5cc3d45b6 in gst_pad_send_event (pad=pad@entry=0x7ff4b01f2020, event=event@entry=0xc5b010) at gstpad.c:5425
#42 0x00007ff5cc3d4b7a in gst_pad_push_event (pad=0x7ff4b03c6ad0, event=event@entry=0xc5b010) at gstpad.c:5277
#43 0x00007ff5cc6741e5 in gst_base_parse_push_frame (parse=parse@entry=0x2eb3a00, frame=frame@entry=0x7ff4a77fdd00) at gstbaseparse.c:1915
#44 0x00007ff5cc6755de in gst_base_parse_handle_and_push_frame (parse=parse@entry=0x2eb3a00, frame=frame@entry=0x7ff4a77fdd00, klass=0xb9dce0) at gstbaseparse.c:1765
#45 0x00007ff5cc677f03 in gst_base_parse_loop (pad=<optimized out>) at gstbaseparse.c:2826
#46 0x00007ff5cc3f8d64 in gst_task_func (task=0x2eaf4e0) at gsttask.c:327
#47 0x00007ff5d53e0ab6 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/gthreadpool.c:309
#48 0x00007ff5d53e00f5 in g_thread_proxy (data=0x7ff49c004b20) at /build/buildd/glib2.0-2.38.1/./glib/gthread.c:798
#49 0x00007ff5d6a10f6e in start_thread (arg=0x7ff4a77fe700) at pthread_create.c:311
#50 0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7ff4b4e39700 (LWP 21530)):
#0  0x00007ff5d25255f4 in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#1  0x00007ff5d2525ed2 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007ff5d2525f90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007ff5d2533ff3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007ff5cd5eaee8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
#5  0x00007ff5d6a10f6e in start_thread (arg=0x7ff4b4e39700) at pthread_create.c:311
#6  0x00007ff5da7209cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ff5dd9b77c0 (LWP 19727)):
[KCrash Handler]
#6  0x00007ff5d4a5ade2 in g_value_set_object (value=0x7fff6ae24dd0, v_object=0x7ff4b015ff70) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:3752
#7  0x00007ff5b9f71228 in gst_play_bin_get_property (object=0xe94e10, prop_id=<optimized out>, value=0x7fff6ae24dd0, pspec=<optimized out>) at gstplaybin2.c:2018
#8  0x00007ff5d4a58df5 in object_get_property (value=0x7fff6ae24dd0, pspec=<optimized out>, object=0xe94e10) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1303
#9  g_object_get_valist (object=object@entry=0xe94e10, first_property_name=first_property_name@entry=0x7ff5c05913de "source", var_args=var_args@entry=0x7fff6ae24e78) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:2193
#10 0x00007ff5d4a59287 in g_object_get (_object=0xe94e10, first_property_name=0x7ff5c05913de "source") at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:2283
#11 0x00007ff5c0586a30 in Phonon::Gstreamer::Pipeline::cb_setupSource (playbin=<optimized out>, param=<optimized out>, data=0xe8fa90) at ../../gstreamer/pipeline.cpp:828
#12 0x00007ff5d4a51188 in g_closure_invoke (closure=0xe99cf0, return_value=0x0, n_param_values=2, param_values=0x7fff6ae251f0, invocation_hint=0x7fff6ae25190) at /build/buildd/glib2.0-2.38.1/./gobject/gclosure.c:777
#13 0x00007ff5d4a62b1d in signal_emit_unlocked_R (node=node@entry=0xa96240, detail=detail@entry=2182, instance=instance@entry=0xe94e10, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff6ae251f0) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3586
#14 0x00007ff5d4a6a829 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff6ae25388) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3330
#15 0x00007ff5d4a6aae2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3386
#16 0x00007ff5d4a55505 in g_object_dispatch_properties_changed (object=0xe94e10, n_pspecs=80, pspecs=0x0) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1047
#17 0x00007ff5cc3a0484 in gst_object_dispatch_properties_changed (object=0xe94e10, n_pspecs=1, pspecs=0x7fff6ae25518) at gstobject.c:530
#18 0x00007ff5d4a57abb in g_object_notify_by_spec_internal (pspec=<optimized out>, object=0xe94e10) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1141
#19 g_object_notify (object=object@entry=0xe94e10, property_name=property_name@entry=0x7ff5b9f94beb "source") at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1183
#20 0x00007ff5b9f6d7bf in notify_source_cb (uridecodebin=<optimized out>, pspec=<optimized out>, group=<optimized out>) at gstplaybin2.c:3445
#21 0x00007ff5d4a51188 in g_closure_invoke (closure=0x7ff4b015ff70, return_value=0x0, n_param_values=2, param_values=0x7fff6ae256f0, invocation_hint=0x7fff6ae25690) at /build/buildd/glib2.0-2.38.1/./gobject/gclosure.c:777
#22 0x00007ff5d4a62b1d in signal_emit_unlocked_R (node=node@entry=0xa96240, detail=detail@entry=2182, instance=instance@entry=0x2d3a950, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff6ae256f0) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3586
#23 0x00007ff5d4a6a829 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff6ae25888) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3330
#24 0x00007ff5d4a6aae2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.38.1/./gobject/gsignal.c:3386
#25 0x00007ff5d4a55505 in g_object_dispatch_properties_changed (object=0x2d3a950, n_pspecs=80, pspecs=0x0) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1047
#26 0x00007ff5cc3a0484 in gst_object_dispatch_properties_changed (object=0x2d3a950, n_pspecs=1, pspecs=0x7fff6ae25a18) at gstobject.c:530
#27 0x00007ff5d4a57abb in g_object_notify_by_spec_internal (pspec=<optimized out>, object=0x2d3a950) at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1141
#28 g_object_notify (object=object@entry=0x2d3a950, property_name=property_name@entry=0x7ff4b6d82a29 "source") at /build/buildd/glib2.0-2.38.1/./gobject/gobject.c:1183
#29 0x00007ff4b6d7e783 in setup_source (decoder=0x2d3a950) at gsturidecodebin.c:2015
#30 gst_uri_decode_bin_change_state (element=0x2d3a950, transition=<optimized out>) at gsturidecodebin.c:2493
#31 0x00007ff5cc3b9182 in gst_element_change_state (element=element@entry=0x2d3a950, transition=transition@entry=GST_STATE_CHANGE_READY_TO_PAUSED) at gstelement.c:2761
#32 0x00007ff5cc3b97f3 in gst_element_set_state_func (element=0x2d3a950, state=GST_STATE_PAUSED) at gstelement.c:2717
#33 0x00007ff5cc3a7622 in gst_bin_element_set_state (next=GST_STATE_PAUSED, current=GST_STATE_READY, start_time=0, base_time=0, element=0x2d3a950, bin=0xe94e10) at gstbin.c:2209
#34 gst_bin_change_state_func (element=0xe94e10, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:2518
#35 0x00007ff5cc3d70d5 in gst_pipeline_change_state (element=0xe94e10, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstpipeline.c:482
#36 0x00007ff5b9f6f7b1 in gst_play_bin_change_state (element=0xe94e10, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstplaybin2.c:3936
#37 0x00007ff5cc3b9182 in gst_element_change_state (element=element@entry=0xe94e10, transition=transition@entry=GST_STATE_CHANGE_READY_TO_PAUSED) at gstelement.c:2761
#38 0x00007ff5cc3b97f3 in gst_element_set_state_func (element=0xe94e10, state=GST_STATE_PLAYING) at gstelement.c:2717
#39 0x00007ff5c058552f in Phonon::Gstreamer::Pipeline::setState (this=0xe8fa90, state=state@entry=GST_STATE_PLAYING) at ../../gstreamer/pipeline.cpp:242
#40 0x00007ff5c057bd2a in Phonon::Gstreamer::MediaObject::requestState (this=this@entry=0xe8bab0, state=state@entry=Phonon::PlayingState) at ../../gstreamer/mediaobject.cpp:828
#41 0x00007ff5c057bf95 in Phonon::Gstreamer::MediaObject::play (this=0xe8bab0) at ../../gstreamer/mediaobject.cpp:234
#42 0x00007ff5dcac3525 in EngineController::playUrl (this=this@entry=0x9bb100, url=..., offset=0, startPaused=<optimized out>) at ../../src/EngineController.cpp:501
#43 0x00007ff5dcac398c in EngineController::play (this=0x9bb100, track=..., offset=offset@entry=0, startPaused=startPaused@entry=false) at ../../src/EngineController.cpp:415
#44 0x00007ff5dc89c7dc in Playlist::Actions::play (this=this@entry=0x140f810, trackid=6959273168280224454, now=now@entry=true) at ../../src/playlist/PlaylistActions.cpp:217
#45 0x00007ff5dc89cc69 in Playlist::Actions::play (this=0x140f810) at ../../src/playlist/PlaylistActions.cpp:184
#46 0x00007ff5dcac3cdd in EngineController::play (this=this@entry=0x9bb100) at ../../src/EngineController.cpp:378
#47 0x00007ff5dcac3f56 in EngineController::playPause (this=0x9bb100) at ../../src/EngineController.cpp:636
#48 0x00007ff5dcac5815 in EngineController::qt_static_metacall (_o=0x9bb100, _id=80, _a=0x0, _c=<optimized out>) at ./EngineController.moc:176
#49 0x00007ff5dae80a58 in QMetaObject::activate (sender=0x15bf040, m=m@entry=0x7ff5dcf0ecc0 <PlayPauseButton::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff6ae26460) at kernel/qobject.cpp:3539
#50 0x00007ff5dcb9b328 in toggled (_t1=false, this=<optimized out>) at ./PlayPauseButton.moc:103
#51 PlayPauseButton::toggle (this=<optimized out>) at ../../src/widgets/PlayPauseButton.cpp:52
#52 0x00007ff5dcb9b346 in PlayPauseButton::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./PlayPauseButton.moc:54
#53 0x00007ff5dae80a58 in QMetaObject::activate (sender=sender@entry=0x15bf040, m=m@entry=0x7ff5dcf0d800 <IconButton::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#54 0x00007ff5dcb95ad0 in clicked (this=0x15bf040) at ./IconButton.moc:102
#55 IconButton::mouseReleaseEvent (this=0x15bf040, me=<optimized out>) at ../../src/widgets/IconButton.cpp:69
#56 0x00007ff5db8ad31e in QWidget::event (this=0x15bf040, event=0x7fff6ae26a20) at kernel/qwidget.cpp:8375
#57 0x00007ff5db85ddfc in QApplicationPrivate::notify_helper (this=this@entry=0x84cd60, receiver=receiver@entry=0x15bf040, e=e@entry=0x7fff6ae26a20) at kernel/qapplication.cpp:4567
#58 0x00007ff5db8645ad in QApplication::notify (this=this@entry=0x7fff6ae272b0, receiver=receiver@entry=0x15bf040, e=e@entry=0x7fff6ae26a20) at kernel/qapplication.cpp:4110
#59 0x00007ff5dd3cdc6a in KApplication::notify (this=0x7fff6ae272b0, receiver=0x15bf040, event=0x7fff6ae26a20) at ../../kdeui/kernel/kapplication.cpp:311
#60 0x00007ff5dae6c8bd in QCoreApplication::notifyInternal (this=0x7fff6ae272b0, receiver=receiver@entry=0x15bf040, event=event@entry=0x7fff6ae26a20) at kernel/qcoreapplication.cpp:946
#61 0x00007ff5db863d63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#62 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x15bf040, event=event@entry=0x7fff6ae26a20, alienWidget=alienWidget@entry=0x15bf040, nativeWidget=nativeWidget@entry=0x15bd5c0, buttonDown=buttonDown@entry=0x7ff5dc3422f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#63 0x00007ff5db8d87db in QETWidget::translateMouseEvent (this=this@entry=0x15bd5c0, event=event@entry=0x7fff6ae26da0) at kernel/qapplication_x11.cpp:4631
#64 0x00007ff5db8d8079 in QApplication::x11ProcessEvent (this=0x7fff6ae272b0, event=event@entry=0x7fff6ae26da0) at kernel/qapplication_x11.cpp:3624
#65 0x00007ff5db8ff922 in x11EventSourceDispatch (s=s@entry=0x850720, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#66 0x00007ff5d53bb3b6 in g_main_dispatch (context=0x84bf80) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3065
#67 g_main_context_dispatch (context=context@entry=0x84bf80) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3641
#68 0x00007ff5d53bb708 in g_main_context_iterate (context=context@entry=0x84bf80, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3712
#69 0x00007ff5d53bb7ac in g_main_context_iteration (context=0x84bf80, may_block=1) at /build/buildd/glib2.0-2.38.1/./glib/gmain.c:3773
#70 0x00007ff5dae99a55 in QEventDispatcherGlib::processEvents (this=0x75ead0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#71 0x00007ff5db8ff9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007ff5dae6b5ef in QEventLoop::processEvents (this=this@entry=0x7fff6ae27180, flags=...) at kernel/qeventloop.cpp:149
#73 0x00007ff5dae6b8e5 in QEventLoop::exec (this=this@entry=0x7fff6ae27180, flags=...) at kernel/qeventloop.cpp:204
#74 0x00007ff5dae70e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#75 0x00007ff5db85c34c in QApplication::exec () at kernel/qapplication.cpp:3828
#76 0x0000000000408393 in main (argc=<optimized out>, argv=0x7fff6ae27418) at ../../src/main.cpp:329

The reporter indicates this bug may be a duplicate of or related to bug 327981.

Possible duplicates by query: bug 329603, bug 328186, bug 328128, bug 327981, bug 327867.

Reported using DrKonqi
Comment 1 Myriam Schweingruber 2014-01-09 11:42:22 UTC 
The problem is with phonon-backend-gstreamer, not with Amarok.

As a workaround you can use the phonon-backend-vlc instead.

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