Application: kded4 (4.11.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-18-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
I have been trying to access firefox`s menu using top menu kde`s configuration and app crashed. I have already had other problems, like the impossibility to access bookmarks section from menu and other bugs relacted to it.

-- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f20803617c0 (LWP 1334))]

Thread 6 (Thread 0x7f20655cc700 (LWP 1336)):
#0  0x00007f207dbbd6bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f207ad07670 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f207acc81cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f207acc863b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f207acc87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f207eff6a76 in QEventDispatcherGlib::processEvents (this=0x7f20600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f207efc85ef in QEventLoop::processEvents (this=this@entry=0x7f20655cbdb0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f207efc88e5 in QEventLoop::exec (this=this@entry=0x7f20655cbdb0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f207eec788f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f207eec9f2f in QThreadPrivate::start (arg=0xc3f810) at thread/qthread_unix.cpp:338
#10 0x00007f207b3a3f6e in start_thread (arg=0x7f20655cc700) at pthread_create.c:311
#11 0x00007f207dbcb9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f205c6ab700 (LWP 1343)):
#0  0x00007f207ad080e3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f207ad083c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f207acc87b6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f207eff6a76 in QEventDispatcherGlib::processEvents (this=0x7f20540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f207efc85ef in QEventLoop::processEvents (this=this@entry=0x7f205c6aad70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f207efc88e5 in QEventLoop::exec (this=this@entry=0x7f205c6aad70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f207eec788f in QThread::exec (this=this@entry=0xbf9a30) at thread/qthread.cpp:542
#7  0x00007f207efa9d13 in QInotifyFileSystemWatcherEngine::run (this=0xbf9a30) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f207eec9f2f in QThreadPrivate::start (arg=0xbf9a30) at thread/qthread_unix.cpp:338
#9  0x00007f207b3a3f6e in start_thread (arg=0x7f205c6ab700) at pthread_create.c:311
#10 0x00007f207dbcb9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f20459a3700 (LWP 1544)):
#0  0x00007f207b3a6055 in __GI___pthread_mutex_lock (mutex=0x7f2024000a60) at pthread_mutex_lock.c:95
#1  0x00007f207ad083a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f207acc7d59 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f207acc85c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f207acc87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f207eff6a76 in QEventDispatcherGlib::processEvents (this=0x7f20240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f207efc85ef in QEventLoop::processEvents (this=this@entry=0x7f20459a2d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f207efc88e5 in QEventLoop::exec (this=this@entry=0x7f20459a2d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f207eec788f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f205eacbfd7 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#10 0x00007f207eec9f2f in QThreadPrivate::start (arg=0xc52960) at thread/qthread_unix.cpp:338
#11 0x00007f207b3a3f6e in start_thread (arg=0x7f20459a3700) at pthread_create.c:311
#12 0x00007f207dbcb9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f20451a2700 (LWP 1545)):
#0  0x00007f207ad080ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f207ad083c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f207acc7fbb in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f207acc8612 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f207acc87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f207eff6a76 in QEventDispatcherGlib::processEvents (this=0x7f20180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f207efc85ef in QEventLoop::processEvents (this=this@entry=0x7f20451a1db0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f207efc88e5 in QEventLoop::exec (this=this@entry=0x7f20451a1db0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f207eec788f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f207eec9f2f in QThreadPrivate::start (arg=0xc6eb20) at thread/qthread_unix.cpp:338
#10 0x00007f207b3a3f6e in start_thread (arg=0x7f20451a2700) at pthread_create.c:311
#11 0x00007f207dbcb9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f203bfff700 (LWP 1548)):
#0  0x00007f207ac9a420 in pthread_mutex_lock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f207ad083a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f207acc812c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f207acc863b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f207acc87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f207eff6a76 in QEventDispatcherGlib::processEvents (this=0x7f201c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f207efc85ef in QEventLoop::processEvents (this=this@entry=0x7f203bffed70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f207efc88e5 in QEventLoop::exec (this=this@entry=0x7f203bffed70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f207eec788f in QThread::exec (this=this@entry=0x1018760) at thread/qthread.cpp:542
#9  0x00007f207efa9d13 in QInotifyFileSystemWatcherEngine::run (this=0x1018760) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f207eec9f2f in QThreadPrivate::start (arg=0x1018760) at thread/qthread_unix.cpp:338
#11 0x00007f207b3a3f6e in start_thread (arg=0x7f203bfff700) at pthread_create.c:311
#12 0x00007f207dbcb9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f20803617c0 (LWP 1334)):
[KCrash Handler]
#5  0x00007f207efe1113 in QMetaObject::changeGuard (ptr=ptr@entry=0x1215030, o=0x1226b10) at kernel/qobject.cpp:445
#6  0x00007f207e92d5fc in operator= (p=<optimized out>, this=0x1215030) at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:68
#7  QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent (this=0x1214e50, event=0x7fff2c88c2c0) at graphicsview/qgraphicsproxywidget.cpp:284
#8  0x00007f207e90fb02 in QGraphicsItem::sceneEvent (this=0x1211400, event=0x7fff2c88c2c0) at graphicsview/qgraphicsitem.cpp:6742
#9  0x00007f207e936b3f in QGraphicsScenePrivate::sendMouseEvent (this=0x117f6f0, mouseEvent=0x7fff2c88c2c0) at graphicsview/qgraphicsscene.cpp:1295
#10 0x00007f207e93f79f in QGraphicsScene::mouseReleaseEvent (this=<optimized out>, mouseEvent=0x7fff2c88c2c0) at graphicsview/qgraphicsscene.cpp:4128
#11 0x00007f207e94b710 in QGraphicsScene::event (this=0x1047570, event=0x7fff2c88c2c0) at graphicsview/qgraphicsscene.cpp:3458
#12 0x00007f207e366dfc in QApplicationPrivate::notify_helper (this=this@entry=0xa57380, receiver=receiver@entry=0x1047570, e=e@entry=0x7fff2c88c2c0) at kernel/qapplication.cpp:4567
#13 0x00007f207e36d470 in QApplication::notify (this=0x7fff2c88d0b0, receiver=0x1047570, e=0x7fff2c88c2c0) at kernel/qapplication.cpp:4353
#14 0x00007f207fd47a6a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0x00007f207efc98bd in QCoreApplication::notifyInternal (this=0x7fff2c88d0b0, receiver=0x1047570, event=event@entry=0x7fff2c88c2c0) at kernel/qcoreapplication.cpp:946
#16 0x00007f207e365526 in sendSpontaneousEvent (event=event@entry=0x7fff2c88c2c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#17 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fff2c88c2c0) at kernel/qapplication.cpp:5565
#18 0x00007f207e9623e7 in QGraphicsView::mouseReleaseEvent (this=0x10584a0, event=0x7fff2c88c820) at graphicsview/qgraphicsview.cpp:3338
#19 0x00007f207e3b631e in QWidget::event (this=this@entry=0x10584a0, event=event@entry=0x7fff2c88c820) at kernel/qwidget.cpp:8375
#20 0x00007f207e7575be in QFrame::event (this=0x10584a0, e=0x7fff2c88c820) at widgets/qframe.cpp:557
#21 0x00007f207e962e09 in QGraphicsView::viewportEvent (this=0x10584a0, event=0x7fff2c88c820) at graphicsview/qgraphicsview.cpp:2866
#22 0x00007f207efc9a26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xa57380, receiver=receiver@entry=0x1053780, event=event@entry=0x7fff2c88c820) at kernel/qcoreapplication.cpp:1056
#23 0x00007f207e366ddc in QApplicationPrivate::notify_helper (this=this@entry=0xa57380, receiver=receiver@entry=0x1053780, e=e@entry=0x7fff2c88c820) at kernel/qapplication.cpp:4563
#24 0x00007f207e36d5ad in QApplication::notify (this=<optimized out>, receiver=0x1053780, e=0x7fff2c88c820) at kernel/qapplication.cpp:4110
#25 0x00007f207fd47a6a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x00007f207efc98bd in QCoreApplication::notifyInternal (this=0x7fff2c88d0b0, receiver=receiver@entry=0x1053780, event=event@entry=0x7fff2c88c820) at kernel/qcoreapplication.cpp:946
#27 0x00007f207e36cd63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x1053780, event=event@entry=0x7fff2c88c820, alienWidget=alienWidget@entry=0x1053780, nativeWidget=nativeWidget@entry=0x10584a0, buttonDown=buttonDown@entry=0x7f207ee4b2f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#29 0x00007f207e3e17db in QETWidget::translateMouseEvent (this=this@entry=0x10584a0, event=event@entry=0x7fff2c88cba0) at kernel/qapplication_x11.cpp:4631
#30 0x00007f207e3e1079 in QApplication::x11ProcessEvent (this=0x7fff2c88d0b0, event=event@entry=0x7fff2c88cba0) at kernel/qapplication_x11.cpp:3624
#31 0x00007f207e408922 in x11EventSourceDispatch (s=0xa58a70, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f207acc83b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f207acc8708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f207acc87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f207eff6a55 in QEventDispatcherGlib::processEvents (this=0x9c1440, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x00007f207e4089d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f207efc85ef in QEventLoop::processEvents (this=this@entry=0x7fff2c88cf80, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f207efc88e5 in QEventLoop::exec (this=this@entry=0x7fff2c88cf80, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f207efcde5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#40 0x00007f206ae5595b in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#41 0x00000000004083f5 in _start ()

Possible duplicates by query: bug 331293, bug 328758.

Reported using DrKonqi