Application: kded4 (4.14.2)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.0-4-amd64 x86_64
Distribution: Debian GNU/Linux 8.3 (jessie)

-- Information about the crash:
- What I was doing when the application crashed:

I ran vnc, connnected to it, see the desktop launch, then the cash appears when the desktop is shown

The crash can be reproduced every time.

-- Backtrace:
Application: Démon de KDE (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f4f16c5999a in ?? () from /usr/lib/x86_64-linux-gnu/kde4/plugins/kscreen/1/KSC_XRandR11.so
#7  0x00007f4f1729e7b5 in KScreenDaemon::monitorConnectedChange (this=this@entry=0x18e49e0) at /tmp/buildd/kscreen-1.0.2.1/kded/daemon.cpp:196
#8  0x00007f4f1729ee5f in KScreenDaemon::KScreenDaemon (this=0x18e49e0, parent=<optimized out>) at /tmp/buildd/kscreen-1.0.2.1/kded/daemon.cpp:72
#9  0x00007f4f1729f968 in KPluginFactory::createInstance<KScreenDaemon, QObject> (parentWidget=<optimized out>, parent=<optimized out>, args=...) at /usr/include/KDE/../kpluginfactory.h:477
#10 0x00007f4f33571a93 in KPluginFactory::create (this=0x18a7620, iface=0x7f4f335c9ac0 <qt_meta_stringdata_KDEDModule> "KDEDModule", parentWidget=0x0, parent=0x1714770, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203
#11 0x00007f4f1d33f080 in create<KDEDModule> (args=..., parent=0x1714770, this=<optimized out>) at ../../kdecore/util/kpluginfactory.h:507
#12 Kded::loadModule (this=this@entry=0x1714770, s=..., onDemand=onDemand@entry=false) at ../../kded/kded.cpp:409
#13 0x00007f4f1d33f9f9 in Kded::initModules (this=0x1714770) at ../../kded/kded.cpp:268
#14 0x00007f4f1d34020e in Kded::recreateDone (this=this@entry=0x1714770) at ../../kded/kded.cpp:580
#15 0x00007f4f1d340293 in Kded::recreate (this=0x1714770, initial=<optimized out>) at ../../kded/kded.cpp:547
#16 0x00007f4f1d3429cd in KDEDApplication::newInstance (this=<optimized out>) at ../../kded/kded.cpp:833
#17 0x00007f4f33dd46ca in KUniqueApplicationAdaptor::newInstance (this=0x18bb2f0, asn_id=..., args=...) at ../../kdeui/kernel/kuniqueapplication.cpp:442
#18 0x00007f4f33dd47ad in KUniqueApplicationAdaptor::qt_static_metacall (_o=_o@entry=0x18bb2f0, _id=_id@entry=0, _a=_a@entry=0x7ffd0d259cf0, _c=QMetaObject::InvokeMetaMethod) at ./kuniqueapplication_p.moc:57
#19 0x00007f4f33dd49b3 in qt_static_metacall (_a=0x7ffd0d259cf0, _id=0, _c=QMetaObject::InvokeMetaMethod, _o=0x18bb2f0) at ./kuniqueapplication_p.moc:100
#20 KUniqueApplicationAdaptor::qt_metacall (this=0x18bb2f0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffd0d259cf0) at ./kuniqueapplication_p.moc:101
#21 0x00007f4f3031d6c6 in QDBusConnectionPrivate::deliverCall (this=this@entry=0x16f0c60, object=object@entry=0x18bb2f0, msg=..., metaTypes=..., slotIdx=4) at qdbusintegrator.cpp:951
#22 0x00007f4f3031e859 in QDBusConnectionPrivate::activateCall (this=this@entry=0x16f0c60, object=0x18bb2f0, flags=flags@entry=337, msg=...) at qdbusintegrator.cpp:856
#23 0x00007f4f3031f2f0 in QDBusConnectionPrivate::activateObject (this=0x16f0c60, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1427
#24 0x00007f4f3031f47b in QDBusActivateObjectEvent::placeMetaCall (this=0x18bc6c0) at qdbusintegrator.cpp:1541
#25 0x00007f4f32ffce11 in QObject::event (this=this@entry=0x7ffd0d25a700, e=e@entry=0x18bc6c0) at kernel/qobject.cpp:1222
#26 0x00007f4f32fe7f9c in QCoreApplication::event (this=this@entry=0x7ffd0d25a700, e=e@entry=0x18bc6c0) at kernel/qcoreapplication.cpp:1767
#27 0x00007f4f323397a3 in QApplication::event (this=0x7ffd0d25a700, e=0x18bc6c0) at kernel/qapplication.cpp:2549
#28 0x00007f4f3233448c in QApplicationPrivate::notify_helper (this=this@entry=0x1718820, receiver=receiver@entry=0x7ffd0d25a700, e=e@entry=0x18bc6c0) at kernel/qapplication.cpp:4570
#29 0x00007f4f3233afa8 in QApplication::notify (this=this@entry=0x7ffd0d25a700, receiver=receiver@entry=0x7ffd0d25a700, e=e@entry=0x18bc6c0) at kernel/qapplication.cpp:4356
#30 0x00007f4f33dcd1aa in KApplication::notify (this=0x7ffd0d25a700, receiver=0x7ffd0d25a700, event=0x18bc6c0) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007f4f32fe371d in QCoreApplication::notifyInternal (this=0x7ffd0d25a700, receiver=receiver@entry=0x7ffd0d25a700, event=event@entry=0x18bc6c0) at kernel/qcoreapplication.cpp:955
#32 0x00007f4f32fe6fc1 in sendEvent (event=0x18bc6c0, receiver=0x7ffd0d25a700) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1680ff0) at kernel/qcoreapplication.cpp:1579
#34 0x00007f4f32fe7453 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472
#35 0x00007f4f33012bd3 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#36 postEventSourceDispatch (s=0x1716e20) at kernel/qeventdispatcher_glib.cpp:280
#37 0x00007f4f2ea7dc5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f4f2ea7df48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f4f2ea7dffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f4f33012d1d in QEventDispatcherGlib::processEvents (this=0x1683570, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#41 0x00007f4f323d8f96 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x00007f4f32fe2271 in QEventLoop::processEvents (this=this@entry=0x7ffd0d25a5e0, flags=...) at kernel/qeventloop.cpp:149
#43 0x00007f4f32fe25d5 in QEventLoop::exec (this=this@entry=0x7ffd0d25a5e0, flags=...) at kernel/qeventloop.cpp:204
#44 0x00007f4f32fe8059 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#45 0x00007f4f3233292c in QApplication::exec () at kernel/qapplication.cpp:3828
#46 0x00007f4f1d341349 in kdemain (argc=1, argv=0x16d3ce0) at ../../kded/kded.cpp:940
#47 0x00000000004084b0 in launch (argc=argc@entry=1, _name=_name@entry=0x40b0c7 "kded4", args=<optimized out>, args@entry=0x0, cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x0, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40af56 "0") at ../../kinit/kinit.cpp:738
#48 0x0000000000405ae4 in main (argc=4, argv=<optimized out>, envp=0x7ffd0d25ae60) at ../../kinit/kinit.cpp:1853

Possible duplicates by query: bug 357253.

Reported using DrKonqi