Application that crashed: amarok
Version of the application: 2.2.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Clicked on skip forward in amarock whilst playing a cd.

 -- Backtrace:
Application: Amarok (amarok), signal: Aborted
[Current thread is 1 (Thread 0x7f48f8dbc7a0 (LWP 3035))]

Thread 14 (Thread 0x7f48de669910 (LWP 3036)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:220
#1  0x00007f48e431ec91 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f48dd120910 (LWP 3037)):
#0  0x00007f48ef5ff906 in g_main_context_check () from /lib/libglib-2.0.so.0
#1  0x00007f48ef600290 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f48ef6006c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f48f6b581fe in QEventDispatcherGlib::processEvents (this=0x22dd4b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:329
#4  0x00007f48f6b2e532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f48f6b2e904 in QEventLoop::exec (this=0x7f48dd11ffb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f48f6a466cb in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f48e457956e in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#8  0x00007f48f6a49445 in QThreadPrivate::start (arg=0x22dd210) at thread/qthread_unix.cpp:188
#9  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()
The current source language is "auto; currently asm".

Thread 12 (Thread 0x7f48d7fff910 (LWP 3040)):
#0  0x00007f48f643dabb in read () from /lib/libc.so.6
#1  0x00007f48e4976ad5 in ?? () from /usr/lib/libasound.so.2
#2  0x00007f48e4971818 in snd_hctl_handle_events () from /usr/lib/libasound.so.2
#3  0x00007f48e497b589 in snd_mixer_handle_events () from /usr/lib/libasound.so.2
#4  0x00007f48dc71bd04 in ?? () from /usr/lib/xine/plugins/1.26/xineplug_ao_out_alsa.so
#5  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f48d77fe910 (LWP 3041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48e432f983 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()
The current source language is "auto; currently c".

Thread 10 (Thread 0x7f48d6ffd910 (LWP 3042)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48e432f983 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()
The current source language is "auto; currently asm".

Thread 9 (Thread 0x7f48d67fc910 (LWP 3043)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48e432f983 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f48d533c910 (LWP 3045)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48f6a4a4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f48f36fd326 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2ccf260, th=0x2d83570) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f48f36ff45b in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x2d83570) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f48f36fda5f in ThreadWeaver::ThreadRunHelper::run (this=0x7f48d533c000, parent=0x2ccf260, th=0x2d83570) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f48f36fdeb8 in ThreadWeaver::Thread::run (this=0x2d83570) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f48f6a49445 in QThreadPrivate::start (arg=0x2d83570) at thread/qthread_unix.cpp:188
#8  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f48cdc02910 (LWP 3046)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48f6a4a4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f48f36fd326 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2ccf260, th=0x7f48d8188d00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f48f36ff45b in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d8188d00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d8188d00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d8188d00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f48f36fda5f in ThreadWeaver::ThreadRunHelper::run (this=0x7f48cdc02000, parent=0x2ccf260, th=0x7f48d8188d00) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f48f36fdeb8 in ThreadWeaver::Thread::run (this=0x7f48d8188d00) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f48f6a49445 in QThreadPrivate::start (arg=0x7f48d8188d00) at thread/qthread_unix.cpp:188
#10 0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f48cd401910 (LWP 3047)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48f6a4a4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f48f36fd326 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2ccf260, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f48f36ff45b in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007f48f36fda5f in ThreadWeaver::ThreadRunHelper::run (this=0x7f48cd401000, parent=0x2ccf260, th=0x7f48d81885e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x00007f48f36fdeb8 in ThreadWeaver::Thread::run (this=0x7f48d81885e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007f48f6a49445 in QThreadPrivate::start (arg=0x7f48d81885e0) at thread/qthread_unix.cpp:188
#12 0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#13 0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f48ccc00910 (LWP 3048)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48f6a4a4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2a402a0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f48f36fd326 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2ccf260, th=0x2d2afa0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f48f36ff45b in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x2d2afa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x2d2afa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x2d2afa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x2d2afa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f48f36ff474 in ThreadWeaver::WorkingHardState::applyForWork (this=0x27e7a50, th=0x2d2afa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007f48f36fda5f in ThreadWeaver::ThreadRunHelper::run (this=0x7f48ccc00000, parent=0x2ccf260, th=0x2d2afa0) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x00007f48f36fdeb8 in ThreadWeaver::Thread::run (this=0x2d2afa0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007f48f6a49445 in QThreadPrivate::start (arg=0x2d2afa0) at thread/qthread_unix.cpp:188
#12 0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#13 0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f48cb3b6910 (LWP 3054)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f48f6a4a4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2120960, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2120960, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f48f790643e in QFileInfoGatherer::run (this=<value optimized out>) at dialogs/qfileinfogatherer.cpp:207
#4  0x00007f48f6a49445 in QThreadPrivate::start (arg=0x2120950) at thread/qthread_unix.cpp:188
#5  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f48cabb5910 (LWP 3055)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f48f63e8b11 in _L_lock_9274 () from /lib/libc.so.6
#2  0x00007f48f63e6741 in *__GI___libc_free (mem=0x7f48f66d6e40) at malloc.c:3714
#3  0x00007f48f6b584e1 in socketNotifierSourceCheck (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:92
#4  0x00007f48ef5ffaaa in g_main_context_check () from /lib/libglib-2.0.so.0
#5  0x00007f48ef600290 in ?? () from /lib/libglib-2.0.so.0
#6  0x00007f48ef6006c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#7  0x00007f48f6b581a6 in QEventDispatcherGlib::processEvents (this=0x2b6d260, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#8  0x00007f48f6b2e532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#9  0x00007f48f6b2e904 in QEventLoop::exec (this=0x7f48cabb4fc0, flags=) at kernel/qeventloop.cpp:201
#10 0x00007f48f6a466cb in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#11 0x00007f48f6b11b78 in QInotifyFileSystemWatcherEngine::run (this=0x213e790) at io/qfilesystemwatcher_inotify.cpp:214
#12 0x00007f48f6a49445 in QThreadPrivate::start (arg=0x213e790) at thread/qthread_unix.cpp:188
#13 0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#14 0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f48bdd6e910 (LWP 3058)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:220
#1  0x00007f48e431ec91 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f48f0cc3a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f48f644b80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f48f8dbc7a0 (LWP 3035)):
[KCrash Handler]
#5  0x00007f48f639f4b5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f48f63a2f50 in *__GI_abort () at abort.c:92
#7  0x00007f48f63d7c97 in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#8  0x00007f48f63e1dd6 in malloc_printerr (action=3, str=0x7f48f64a37b0 "double free or corruption (!prev)", ptr=<value optimized out>) at malloc.c:6217
#9  0x00007f48f63e674c in *__GI___libc_free (mem=<value optimized out>) at malloc.c:3716
#10 0x00007f48e23ee221 in ?? () from /usr/lib/xine/plugins/1.26/xineplug_inp_cdda.so
#11 0x00007f48e45922de in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#12 0x00007f48e4592cb6 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#13 0x00007f48f82e6a53 in EngineController::playUrl(KUrl const&, unsigned int) () from /usr/lib/libamaroklib.so.1
#14 0x00007f48f82e6e9f in EngineController::play(KSharedPtr<Meta::Track> const&, unsigned int) () from /usr/lib/libamaroklib.so.1
#15 0x00007f48f8052c28 in Playlist::Actions::play(unsigned long long, bool) () from /usr/lib/libamaroklib.so.1
#16 0x00007f48f7fa59b4 in Playlist::Actions::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libamaroklib.so.1
#17 0x00007f48f6b44ddc in QMetaObject::activate (sender=0x27d8be0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3113
#18 0x00007f48f744a0a7 in QAction::triggered (this=0xbdb, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#19 0x00007f48f744b4ef in QAction::activate (this=0x27d8be0, event=<value optimized out>) at kernel/qaction.cpp:1160
#20 0x00007f48f83a435d in ?? () from /usr/lib/libamaroklib.so.1
#21 0x00007f48f79d60e9 in QGraphicsItem::sceneEvent (this=0xbdb, event=0xbdb) at graphicsview/qgraphicsitem.cpp:5030
#22 0x00007f48f79fbbc9 in QGraphicsScenePrivate::sendMouseEvent (this=0x280f850, mouseEvent=0x7fff872e3890) at graphicsview/qgraphicsscene.cpp:1230
#23 0x00007f48f7a040d5 in QGraphicsScene::mouseReleaseEvent (this=<value optimized out>, mouseEvent=0x7fff872e3890) at graphicsview/qgraphicsscene.cpp:4445
#24 0x00007f48f7a05c9f in QGraphicsScene::event (this=0x280f0c0, event=0x7fff872e3890) at graphicsview/qgraphicsscene.cpp:3808
#25 0x00007f48f744fefc in QApplicationPrivate::notify_helper (this=0x20c69a0, receiver=0x280f0c0, e=0x7fff872e3890) at kernel/qapplication.cpp:4056
#26 0x00007f48f74571ce in QApplication::notify (this=0x7fff872e5f50, receiver=0x280f0c0, e=0x7fff872e3890) at kernel/qapplication.cpp:4021
#27 0x00007f48f88e1ab6 in KApplication::notify (this=0x7fff872e5f50, receiver=0x280f0c0, event=0x7fff872e3890) at ../../kdeui/kernel/kapplication.cpp:302
#28 0x00007f48f6b2fc2c in QCoreApplication::notifyInternal (this=0x7fff872e5f50, receiver=0x280f0c0, event=0x7fff872e3890) at kernel/qcoreapplication.cpp:610
#29 0x00007f48f7a17eb1 in QCoreApplication::sendEvent (this=0x27f9ae0, event=0x7fff872e4080) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#30 QGraphicsView::mouseReleaseEvent (this=0x27f9ae0, event=0x7fff872e4080) at graphicsview/qgraphicsview.cpp:3382
#31 0x00007f48f749e9c0 in QWidget::event (this=0x27f9ae0, event=0x7fff872e4080) at kernel/qwidget.cpp:7549
#32 0x00007f48f77fa2a6 in QFrame::event (this=0x27f9ae0, e=0x7fff872e4080) at widgets/qframe.cpp:559
#33 0x00007f48f7a1792b in QGraphicsView::viewportEvent (this=0x27f9ae0, event=0x7fff872e4080) at graphicsview/qgraphicsview.cpp:2919
#34 0x00007f48f6b2ef47 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x280ee90, event=0x7fff872e4080) at kernel/qcoreapplication.cpp:726
#35 0x00007f48f744fecc in QApplicationPrivate::notify_helper (this=0x20c69a0, receiver=0x280ee90, e=0x7fff872e4080) at kernel/qapplication.cpp:4052
#36 0x00007f48f7457011 in QApplication::notify (this=<value optimized out>, receiver=0x280ee90, e=0x7fff872e4080) at kernel/qapplication.cpp:3758
#37 0x00007f48f88e1ab6 in KApplication::notify (this=0x7fff872e5f50, receiver=0x280ee90, event=0x7fff872e4080) at ../../kdeui/kernel/kapplication.cpp:302
#38 0x00007f48f6b2fc2c in QCoreApplication::notifyInternal (this=0x7fff872e5f50, receiver=0x280ee90, event=0x7fff872e4080) at kernel/qcoreapplication.cpp:610
#39 0x00007f48f74568e0 in QCoreApplication::sendSpontaneousEvent (receiver=0x280ee90, event=0x7fff872e4080, alienWidget=0x280ee90, nativeWidget=0x20c5800, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#40 QApplicationPrivate::sendMouseEvent (receiver=0x280ee90, event=0x7fff872e4080, alienWidget=0x280ee90, nativeWidget=0x20c5800, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2924
#41 0x00007f48f74bca0e in QETWidget::translateMouseEvent (this=0x20c5800, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#42 0x00007f48f74bbaa9 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff872e5bb0) at kernel/qapplication_x11.cpp:3550
#43 0x00007f48f74e4d0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#44 0x00007f48ef5fcbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#45 0x00007f48ef600598 in ?? () from /lib/libglib-2.0.so.0
#46 0x00007f48ef6006c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#47 0x00007f48f6b581a6 in QEventDispatcherGlib::processEvents (this=0x1fb1460, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#48 0x00007f48f74e44be in QGuiEventDispatcherGlib::processEvents (this=0xbdb, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#49 0x00007f48f6b2e532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#50 0x00007f48f6b2e904 in QEventLoop::exec (this=0x7fff872e5ee0, flags=) at kernel/qeventloop.cpp:201
#51 0x00007f48f6b30ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#52 0x0000000000409ec6 in _start ()
The current source language is "auto; currently c".

Reported using DrKonqi