Application: amarok (2.6.0)
KDE Platform Version: 4.9.2
Qt Version: 4.8.2
Operating System: Linux 3.2.0-32-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
Amarok was stopped after I added an album from the collection to the playlist
The bug is reproducible

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 0x7f31645c9780 (LWP 9785))]

Thread 19 (Thread 0x7f314659d700 (LWP 9786)):
#0  0x00007f3160ea6303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f315baa1036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f315baa149a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f31465a298b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f315d5bce9a in start_thread (arg=0x7f314659d700) at pthread_create.c:308
#6  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7f3145d9c700 (LWP 9787)):
#0  0x00007f3160ea6303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f315baa1036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f315baa149a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f314cc88406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f315d5bce9a in start_thread (arg=0x7f3145d9c700) at pthread_create.c:308
#6  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f312d737700 (LWP 9792)):
#0  0x00007f315baa0ae6 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f315baa0fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f315baa1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f316183d906 in QEventDispatcherGlib::processEvents (this=0x7f3128002610, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f316180ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f316180d097 in QEventLoop::exec (this=0x7f312d736dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f316170c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f31617ecb4f in QInotifyFileSystemWatcherEngine::run (this=0x29cb590) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f316170f07b in QThreadPrivate::start (arg=0x29cb590) at thread/qthread_unix.cpp:307
#9  0x00007f315d5bce9a in start_thread (arg=0x7f312d737700) at pthread_create.c:308
#10 0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f31239cc700 (LWP 9793)):
#0  0x00007f3160ea6303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f315baa1036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f315baa1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f316183d906 in QEventDispatcherGlib::processEvents (this=0x7f311c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f316180ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f316180d097 in QEventLoop::exec (this=0x7f31239cbe00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f316170c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f316170f07b in QThreadPrivate::start (arg=0x2c28d30) at thread/qthread_unix.cpp:307
#8  0x00007f315d5bce9a in start_thread (arg=0x7f31239cc700) at pthread_create.c:308
#9  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f312252c700 (LWP 9794)):
#0  0x00007f3160ea48bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f315badb8cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f315baa0ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f315baa0fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f315baa1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f316183d906 in QEventDispatcherGlib::processEvents (this=0x7f31140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f316180ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f316180d097 in QEventLoop::exec (this=0x7f312252be00, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f316170c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f316170f07b in QThreadPrivate::start (arg=0x2c54e40) at thread/qthread_unix.cpp:307
#10 0x00007f315d5bce9a in start_thread (arg=0x7f312252c700) at pthread_create.c:308
#11 0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f312111f700 (LWP 9796)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f316170f58b in wait (time=18446744073709551615, this=0x2dc1930) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2dc1ab0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f315eb540eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dc17e0, th=0x2dc3910) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f315eb569db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x2dc3910) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f315eb5584f in ThreadWeaver::ThreadRunHelper::run (this=0x7f312111ee20, parent=0x2dc17e0, th=0x2dc3910) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f315eb558db in ThreadWeaver::Thread::run (this=0x2dc3910) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f316170f07b in QThreadPrivate::start (arg=0x2dc3910) at thread/qthread_unix.cpp:307
#8  0x00007f315d5bce9a in start_thread (arg=0x7f312111f700) at pthread_create.c:308
#9  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f3113fff700 (LWP 9797)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f316170f58b in wait (time=18446744073709551615, this=0x2dc1930) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2dc1ab0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f315eb540eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dc17e0, th=0x2efcca0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f315eb569db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x2efcca0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x2efcca0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f315eb5584f in ThreadWeaver::ThreadRunHelper::run (this=0x7f3113ffee20, parent=0x2dc17e0, th=0x2efcca0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f315eb558db in ThreadWeaver::Thread::run (this=0x2efcca0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f316170f07b in QThreadPrivate::start (arg=0x2efcca0) at thread/qthread_unix.cpp:307
#9  0x00007f315d5bce9a in start_thread (arg=0x7f3113fff700) at pthread_create.c:308
#10 0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f31137fe700 (LWP 9798)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f316170f58b in wait (time=18446744073709551615, this=0x2dc1930) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2dc1ab0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f315eb540eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dc17e0, th=0x2de6180) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f315eb569db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x2de6180) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x2de6180) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x2de6180) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f315eb5584f in ThreadWeaver::ThreadRunHelper::run (this=0x7f31137fde20, parent=0x2dc17e0, th=0x2de6180) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f315eb558db in ThreadWeaver::Thread::run (this=0x2de6180) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f316170f07b in QThreadPrivate::start (arg=0x2de6180) at thread/qthread_unix.cpp:307
#10 0x00007f315d5bce9a in start_thread (arg=0x7f31137fe700) at pthread_create.c:308
#11 0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f3112ffd700 (LWP 9799)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f316170f58b in wait (time=18446744073709551615, this=0x2dc1930) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2dc1ab0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f315eb540eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dc17e0, th=0x301c3e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f315eb569db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x301c3e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x301c3e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x301c3e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x301c3e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f315eb569f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2dc35c0, th=0x301c3e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007f315eb5584f in ThreadWeaver::ThreadRunHelper::run (this=0x7f3112ffce20, parent=0x2dc17e0, th=0x301c3e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x00007f315eb558db in ThreadWeaver::Thread::run (this=0x301c3e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007f316170f07b in QThreadPrivate::start (arg=0x301c3e0) at thread/qthread_unix.cpp:307
#12 0x00007f315d5bce9a in start_thread (arg=0x7f3112ffd700) at pthread_create.c:308
#13 0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f3111b83700 (LWP 9800)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f31586dcdec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f31586dcf19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f315d5bce9a in start_thread (arg=0x7f3111b83700) at pthread_create.c:308
#4  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f30fe5b2700 (LWP 9805)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f315db96222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f315db96259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f315d5bce9a in start_thread (arg=0x7f30fe5b2700) at pthread_create.c:308
#4  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f314492b700 (LWP 9817)):
#0  0x00007f3160ea6303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f31592fe35f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f31592ef76c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f31592efdd9 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f31592efe90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f31592fe30f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f315473fd18 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#7  0x00007f315d5bce9a in start_thread (arg=0x7f314492b700) at pthread_create.c:308
#8  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f30eb46e700 (LWP 9818)):
[KCrash Handler]
#6  0x00007f30eb8d279c in is_header_vorbis (pad=0x7f30e4003828, packet=0x7f30e4012320) at gstoggstream.c:800
#7  0x00007f30eb8bc3e0 in gst_ogg_demux_chain_peer (pad=0x7f30e40036a0, packet=0x7f30e4012320, push_headers=1) at gstoggdemux.c:560
#8  0x00007f30eb8be40d in gst_ogg_demux_activate_chain (ogg=0x43a8320, chain=0x44d5770, event=0x7f30e4002c00) at gstoggdemux.c:2608
#9  0x00007f30eb8c39c8 in gst_ogg_demux_perform_seek_pull (ogg=<optimized out>, event=0x0) at gstoggdemux.c:3188
#10 0x00007f30eb8c5cbb in gst_ogg_demux_loop (pad=<optimized out>) at gstoggdemux.c:4400
#11 0x00007f3153749dcc in gst_task_func (task=0x23114a0) at gsttask.c:327
#12 0x00007f315bac3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f315d5bce9a in start_thread (arg=0x7f30eb46e700) at pthread_create.c:308
#15 0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f30eac6d700 (LWP 9819)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f315badc82f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f31539eb9cb in gst_data_queue_pop (queue=0x7f30e4001890, item=0x7f30eac6cd58) at gstdataqueue.c:502
#3  0x00007f312c8f1c44 in gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1200
#4  0x00007f3153749dcc in gst_task_func (task=0x23116a0) at gsttask.c:327
#5  0x00007f315bac3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f315d5bce9a in start_thread (arg=0x7f30eac6d700) at pthread_create.c:308
#8  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f30ea260700 (LWP 9820)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f315badc82f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f312c8f6755 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1252
#3  0x00007f3153749dcc in gst_task_func (task=0x2311da0) at gsttask.c:327
#4  0x00007f315bac3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f315d5bce9a in start_thread (arg=0x7f30ea260700) at pthread_create.c:308
#7  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f30e9a5f700 (LWP 9821)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f315badc82f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f312c8f6755 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1252
#3  0x00007f3153749dcc in gst_task_func (task=0x2311ca0) at gsttask.c:327
#4  0x00007f315bac3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f315d5bce9a in start_thread (arg=0x7f30e9a5f700) at pthread_create.c:308
#7  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f30e925e700 (LWP 9822)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f315badc82f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f312c8f6755 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1252
#3  0x00007f3153749dcc in gst_task_func (task=0x7f30dc01c050) at gsttask.c:327
#4  0x00007f315bac3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f315d5bce9a in start_thread (arg=0x7f30e925e700) at pthread_create.c:308
#7  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f30e8a5d700 (LWP 9823)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f315badc82f in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f312c8f6755 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1252
#3  0x00007f3153749dcc in gst_task_func (task=0x2311ea0) at gsttask.c:327
#4  0x00007f315bac3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f315bac29e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f315d5bce9a in start_thread (arg=0x7f30e8a5d700) at pthread_create.c:308
#7  0x00007f3160eb1cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f31645c9780 (LWP 9785)):
#0  0x00007f3160ea48bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f315badb8cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f315baa0ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f315baa0fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f315baa1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f316183d89f in QEventDispatcherGlib::processEvents (this=0x209fad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f31622b0cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#7  0x00007f316180ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f316180d097 in QEventLoop::exec (this=0x7fff14a84520, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f31618123e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#10 0x0000000000408f76 in main (argc=1, argv=0x7fff14a86a78) at ../../src/main.cpp:306

Reported using DrKonqi