Bug 311301

Application: amarok (2.5.0)
KDE Platform Version: 4.8.5 (4.8.5) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-34-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
I was trying to change some of Amarok's settings

-- 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 0x7ff990b66780 (LWP 5091))]

Thread 13 (Thread 0x7ff972cd5700 (LWP 5092)):
#0  0x00007ff98d462303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff98805e036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff98805e49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff972cda98b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007ff98807f9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff989b7be9a in start_thread (arg=0x7ff972cd5700) at pthread_create.c:308
#6  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7ff9724d4700 (LWP 5093)):
#0  0x00007ff98d4608bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007ff9880988cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff98805dba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff98805dfd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff98805e49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff9793c0406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007ff98807f9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ff989b7be9a in start_thread (arg=0x7ff9724d4700) at pthread_create.c:308
#8  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7ff95ca5d700 (LWP 5114)):
#0  0x00007ff98d462303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff9858bd35f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007ff9858ae76c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007ff9858aedd9 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007ff9858aee90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007ff9858bd30f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007ff980d02d18 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#7  0x00007ff989b7be9a in start_thread (arg=0x7ff95ca5d700) at pthread_create.c:308
#8  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7ff950daf700 (LWP 5116)):
#0  0x00007ff989b7f09b in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:66
#1  __pthread_mutex_unlock (mutex=0x7ff93c000aa0) at pthread_mutex_unlock.c:290
#2  0x00007ff9880995d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff98805d83b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff98805df5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff98805e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff98ddf9426 in QEventDispatcherGlib::processEvents (this=0x7ff93c000900, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007ff98ddc8c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007ff98ddc8ed7 in QEventLoop::exec (this=0x7ff950daedd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007ff98dcc7fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007ff98dda89ff in QInotifyFileSystemWatcherEngine::run (this=0x19feb90) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007ff98dccafcb in QThreadPrivate::start (arg=0x19feb90) at thread/qthread_unix.cpp:298
#12 0x00007ff989b7be9a in start_thread (arg=0x7ff950daf700) at pthread_create.c:308
#13 0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7ff94df83700 (LWP 5117)):
#0  0x00007fffc51ff910 in ?? ()
#1  0x00007ff986a9215d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007ff98dd21bb4 in do_gettime (frac=0x7ff94df82be8, sec=0x7ff94df82be0) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007ff98ddf9b8d in QTimerInfoList::updateCurrentTime (this=0x7ff934001a60) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007ff98ddf9ec3 in QTimerInfoList::timerWait (this=0x7ff934001a60, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007ff98ddf897c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7ff94df82c9c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007ff98805d846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ff98805df5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ff98805e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ff98ddf9426 in QEventDispatcherGlib::processEvents (this=0x7ff9340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x00007ff98ddc8c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007ff98ddc8ed7 in QEventLoop::exec (this=0x7ff94df82e00, flags=...) at kernel/qeventloop.cpp:204
#13 0x00007ff98dcc7fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#14 0x00007ff98dccafcb in QThreadPrivate::start (arg=0x1b99b80) at thread/qthread_unix.cpp:298
#15 0x00007ff989b7be9a in start_thread (arg=0x7ff94df83700) at pthread_create.c:308
#16 0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7ff94cae3700 (LWP 5118)):
#0  0x00007ff98d462303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff98805e036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff98805e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff98ddf9426 in QEventDispatcherGlib::processEvents (this=0x7ff9380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ff98ddc8c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff98ddc8ed7 in QEventLoop::exec (this=0x7ff94cae2e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff98dcc7fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007ff98dccafcb in QThreadPrivate::start (arg=0x1bcd840) at thread/qthread_unix.cpp:298
#8  0x00007ff989b7be9a in start_thread (arg=0x7ff94cae3700) at pthread_create.c:308
#9  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ff9435f5700 (LWP 5120)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff98dccb4db in wait (time=18446744073709551615, this=0x1c55560) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bcfdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff98b1110eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c55410, th=0x1c55980) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff98b1139db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x1c55980) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff98b1139f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x1c55980) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff98b11284f in ThreadWeaver::ThreadRunHelper::run (this=0x7ff9435f4e20, parent=0x1c55410, th=0x1c55980) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff98b1128db in ThreadWeaver::Thread::run (this=0x1c55980) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff98dccafcb in QThreadPrivate::start (arg=0x1c55980) at thread/qthread_unix.cpp:298
#9  0x00007ff989b7be9a in start_thread (arg=0x7ff9435f5700) at pthread_create.c:308
#10 0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ff94209f700 (LWP 5126)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff98dccb4db in wait (time=18446744073709551615, this=0x1c55560) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bcfdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff98b1110eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c55410, th=0x20a8420) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff98b1139db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x20a8420) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff98b1139f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x20a8420) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff98b11284f in ThreadWeaver::ThreadRunHelper::run (this=0x7ff94209ee20, parent=0x1c55410, th=0x20a8420) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff98b1128db in ThreadWeaver::Thread::run (this=0x20a8420) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff98dccafcb in QThreadPrivate::start (arg=0x20a8420) at thread/qthread_unix.cpp:298
#9  0x00007ff989b7be9a in start_thread (arg=0x7ff94209f700) at pthread_create.c:308
#10 0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ff94189e700 (LWP 5127)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff98dccb4db in wait (time=18446744073709551615, this=0x1c55560) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bcfdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff98b1110eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c55410, th=0x20a2d10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff98b1139db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x20a2d10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff98b1139f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x20a2d10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff98b11284f in ThreadWeaver::ThreadRunHelper::run (this=0x7ff94189de20, parent=0x1c55410, th=0x20a2d10) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff98b1128db in ThreadWeaver::Thread::run (this=0x20a2d10) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff98dccafcb in QThreadPrivate::start (arg=0x20a2d10) at thread/qthread_unix.cpp:298
#9  0x00007ff989b7be9a in start_thread (arg=0x7ff94189e700) at pthread_create.c:308
#10 0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ff94109d700 (LWP 5128)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff98dccb4db in wait (time=18446744073709551615, this=0x1c55560) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bcfdc0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff98b1110eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c55410, th=0x20a9e20) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff98b1139db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c55710, th=0x20a9e20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff98b11284f in ThreadWeaver::ThreadRunHelper::run (this=0x7ff94109ce20, parent=0x1c55410, th=0x20a9e20) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ff98b1128db in ThreadWeaver::Thread::run (this=0x20a9e20) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ff98dccafcb in QThreadPrivate::start (arg=0x20a9e20) at thread/qthread_unix.cpp:298
#8  0x00007ff989b7be9a in start_thread (arg=0x7ff94109d700) at pthread_create.c:308
#9  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff923fff700 (LWP 5129)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff984c9bdec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ff984c9bf19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ff989b7be9a in start_thread (arg=0x7ff923fff700) at pthread_create.c:308
#4  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff91bfff700 (LWP 5154)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff98a155222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff98a155259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff989b7be9a in start_thread (arg=0x7ff91bfff700) at pthread_create.c:308
#4  0x00007ff98d46dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff990b66780 (LWP 5091)):
[KCrash Handler]
#6  xcb_glx_query_server_string_string_length (R=0x0) at glx.c:2445
#7  0x00007ff97f1cc454 in __glXQueryServerString (dpy=<optimized out>, opcode=<optimized out>, screen=0, name=2) at glx_query.c:58
#8  0x00007ff97f1ac350 in AllocAndFetchScreenConfigs (priv=0x2ce29d0, dpy=0x10ba450) at glxext.c:775
#9  __glXInitialize (dpy=0x10ba450) at glxext.c:890
#10 __glXInitialize (dpy=0x10ba450) at glxext.c:808
#11 0x00007ff97f1a8a18 in GetGLXPrivScreenConfig (dpy=0x10ba450, scrn=0, ppriv=0x7fffc51ee258, ppsc=0x7fffc51ee260) at glxcmds.c:176
#12 0x00007ff97f1a8d0d in glXChooseVisual (dpy=0x10ba450, screen=0, attribList=0x7fffc51ee360) at glxcmds.c:1234
#13 0x00007ff982987465 in QGLTemporaryContext::QGLTemporaryContext (this=0x7fffc51ee3a0) at qgl_x11.cpp:1243
#14 0x00007ff982910892 in QGLDefaultExtensions (this=0x2db4bc0) at qgl.cpp:5557
#15 qtDefaultExtensions () at qgl.cpp:5564
#16 QGLExtensions::glExtensions () at qgl.cpp:5580
#17 0x00007ff9829846fc in QGLContext::chooseVisual (this=0x2a2e990) at qgl_x11.cpp:773
#18 0x00007ff98298764b in QGLContext::chooseContext (this=0x2a2e990, shareContext=0x0) at qgl_x11.cpp:571
#19 0x00007ff98290e8bd in QGLContext::create (this=0x2a2e990, shareContext=0x0) at qgl.cpp:3348
#20 0x00007ff982986f80 in QGLWidget::setContext (this=0x217f950, context=<optimized out>, shareContext=<optimized out>, deleteOldContext=true) at qgl_x11.cpp:1509
#21 0x00007ff98290d93a in QGLWidgetPrivate::initContext (this=0x2ce2ff0, context=0x2a2e990, shareWidget=0x0) at qgl.cpp:5603
#22 0x00007ff98298574a in QGLWidgetPrivate::init (this=<optimized out>, context=0x2a2e990, shareWidget=0x0) at qgl_x11.cpp:1354
#23 0x00007ff98290e5a2 in QGLWidget::QGLWidget (this=0x217f950, format=..., parent=0x0, shareWidget=0x0, f=...) at qgl.cpp:3874
#24 0x00007ff911b1e96f in AnalyzerGlWidget::AnalyzerGlWidget (this=0x217f950, format=..., fillColor=...) at ../../../../../src/context/applets/spectrumanalyzer/AnalyzerGlWidget.cpp:27
#25 0x00007ff911b1799a in SpectrumAnalyzerApplet::SpectrumAnalyzerApplet (this=0x2179af0, parent=<optimized out>, args=...) at ../../../../../src/context/applets/spectrumanalyzer/SpectrumAnalyzerApplet.cpp:58
#26 0x00007ff911b1cdd7 in KPluginFactory::createInstance<SpectrumAnalyzerApplet, QObject> (parentWidget=<optimized out>, parent=<optimized out>, args=...) at /usr/include/kpluginfactory.h:477
#27 0x00007ff98e33f621 in KPluginFactory::create (this=0x2bb05a0, iface=0x7ff98a6f1e60 "Plasma::Applet", parentWidget=0x0, parent=0x0, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203
#28 0x00007ff98a59d217 in create<Plasma::Applet> (keyword=..., parent=0x0, this=0x2bb05a0, args=..., parentWidget=0x0) at ../../kdecore/util/kpluginfactory.h:531
#29 createInstance<Plasma::Applet> (error=0x7fffc51eef70, args=..., parent=0x0, parentWidget=0x0, this=0x21e9b40) at ../../kdecore/services/kservice.h:559
#30 createInstance<Plasma::Applet> (error=0x7fffc51eef70, args=..., parent=0x0, this=0x21e9b40) at ../../kdecore/services/kservice.h:536
#31 Plasma::PluginLoader::loadApplet (this=<optimized out>, name=..., appletId=<optimized out>, args=...) at ../../plasma/pluginloader.cpp:151
#32 0x00007ff98a568b57 in Plasma::ContainmentPrivate::addApplet (this=0x1f74fb0, name=..., args=..., appletGeometry=..., id=0, delayInit=false) at ../../plasma/containment.cpp:2218
#33 0x00007ff9424cfcdd in Context::VerticalToolbarContainment::addApplet (this=0x1f96fb0, pluginName=..., loc=-1) at ../../../../../src/context/containments/verticallayout/VerticalToolbarContainment.cpp:143
#34 0x00007ff9424d0ee8 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./VerticalToolbarContainment.moc:66
#35 Context::VerticalToolbarContainment::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./VerticalToolbarContainment.moc:58
#36 0x00007ff98ddde281 in QMetaObject::activate (sender=0x2d30aa0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffc51ef460) at kernel/qobject.cpp:3547
#37 0x00007ff98f7e7ba3 in Context::AppletExplorer::addAppletToContainment (this=<optimized out>, _t1=..., _t2=-1) at ./AppletExplorer.moc:113
#38 0x00007ff98f7e7c15 in Context::AppletExplorer::addApplet (this=0x2d30aa0, name=...) at ../../src/context/widgets/appletexplorer/AppletExplorer.cpp:63
#39 0x00007ff98ddde281 in QMetaObject::activate (sender=0x1de8800, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffc51ef5f0) at kernel/qobject.cpp:3547
#40 0x00007ff98dde5b75 in QSignalMapper::mapped (this=<optimized out>, _t1=...) at .moc/release-shared/moc_qsignalmapper.cpp:122
#41 0x00007ff98dde6127 in QSignalMapper::map (this=0x1de8800, sender=0x2dd1a00) at kernel/qsignalmapper.cpp:268
#42 0x00007ff98ddde281 in QMetaObject::activate (sender=0x2dd1a00, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#43 0x00007ff98a63b828 in mouseReleaseEvent (event=0x7fffc51f0020, this=0x2dd1a00) at ../../plasma/widgets/iconwidget.cpp:1437
#44 Plasma::IconWidget::mouseReleaseEvent (this=0x2dd1a00, event=0x7fffc51f0020) at ../../plasma/widgets/iconwidget.cpp:1415
#45 0x00007ff98eda9453 in QGraphicsItem::sceneEvent (this=0x2dd1a10, event=0x7fffc51f0020) at graphicsview/qgraphicsitem.cpp:6741
#46 0x00007ff98edd1c4a in QGraphicsScenePrivate::sendMouseEvent (this=0x1f64850, mouseEvent=0x7fffc51f0020) at graphicsview/qgraphicsscene.cpp:1295
#47 0x00007ff98edd2635 in QGraphicsScene::mouseReleaseEvent (this=<optimized out>, mouseEvent=0x7fffc51f0020) at graphicsview/qgraphicsscene.cpp:4128
#48 0x00007ff98ede079f in QGraphicsScene::event (this=0x1f64830, event=0x7fffc51f0020) at graphicsview/qgraphicsscene.cpp:3458
#49 0x00007ff98e7c3894 in notify_helper (e=0x7fffc51f0020, receiver=0x1f64830, this=0x10998d0) at kernel/qapplication.cpp:4559
#50 QApplicationPrivate::notify_helper (this=0x10998d0, receiver=0x1f64830, e=0x7fffc51f0020) at kernel/qapplication.cpp:4531
#51 0x00007ff98e7c8713 in QApplication::notify (this=0x7fffc51f16c0, receiver=0x1f64830, e=0x7fffc51f0020) at kernel/qapplication.cpp:4420
#52 0x00007ff9905673f6 in KApplication::notify (this=0x7fffc51f16c0, receiver=0x1f64830, event=0x7fffc51f0020) at ../../kdeui/kernel/kapplication.cpp:311
#53 0x00007ff98ddc9e9c in QCoreApplication::notifyInternal (this=0x7fffc51f16c0, receiver=0x1f64830, event=0x7fffc51f0020) at kernel/qcoreapplication.cpp:876
#54 0x00007ff98edfbdd6 in QGraphicsView::mouseReleaseEvent (this=0x1f63310, event=0x7fffc51f09e0) at graphicsview/qgraphicsview.cpp:3338
#55 0x00007ff98e814144 in QWidget::event (this=0x1f63310, event=0x7fffc51f09e0) at kernel/qwidget.cpp:8362
#56 0x00007ff98ebd43b6 in QFrame::event (this=0x1f63310, e=0x7fffc51f09e0) at widgets/qframe.cpp:557
#57 0x00007ff98edfeb2b in QGraphicsView::viewportEvent (this=0x1f63310, event=0x7fffc51f09e0) at graphicsview/qgraphicsview.cpp:2866
#58 0x00007ff98ddca028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1f72f70, event=0x7fffc51f09e0) at kernel/qcoreapplication.cpp:986
#59 0x00007ff98e7c385f in notify_helper (e=0x7fffc51f09e0, receiver=0x1f72f70, this=0x10998d0) at kernel/qapplication.cpp:4555
#60 QApplicationPrivate::notify_helper (this=0x10998d0, receiver=0x1f72f70, e=0x7fffc51f09e0) at kernel/qapplication.cpp:4531
#61 0x00007ff98e7c90bf in QApplication::notify (this=<optimized out>, receiver=0x1f72f70, e=0x7fffc51f09e0) at kernel/qapplication.cpp:4102
#62 0x00007ff9905673f6 in KApplication::notify (this=0x7fffc51f16c0, receiver=0x1f72f70, event=0x7fffc51f09e0) at ../../kdeui/kernel/kapplication.cpp:311
#63 0x00007ff98ddc9e9c in QCoreApplication::notifyInternal (this=0x7fffc51f16c0, receiver=0x1f72f70, event=0x7fffc51f09e0) at kernel/qcoreapplication.cpp:876
#64 0x00007ff98e7c4862 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#65 QApplicationPrivate::sendMouseEvent (receiver=0x1f72f70, event=0x7fffc51f09e0, alienWidget=0x1f72f70, nativeWidget=0x1f610c0, buttonDown=0x1f72f70, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#66 0x00007ff98e843bf5 in QETWidget::translateMouseEvent (this=0x1f610c0, event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#67 0x00007ff98e842bae in QApplication::x11ProcessEvent (this=0x7fffc51f16c0, event=0x7fffc51f12b0) at kernel/qapplication_x11.cpp:3732
#68 0x00007ff98e86c0d2 in x11EventSourceDispatch (s=0x10a24a0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#69 0x00007ff98805dd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007ff98805e0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007ff98805e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007ff98ddf93bf in QEventDispatcherGlib::processEvents (this=0xf13ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#73 0x00007ff98e86bd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#74 0x00007ff98ddc8c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#75 0x00007ff98ddc8ed7 in QEventLoop::exec (this=0x7fffc51f1650, flags=...) at kernel/qeventloop.cpp:204
#76 0x00007ff98ddcdf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#77 0x0000000000408e4e in main (argc=1, argv=0x7fffc51f3b48) at ../../src/main.cpp:303

Reported using DrKonqi