Application: kded4 ($Id: kded.cpp 1031637 2009-10-05 16:58:19Z lunakl $)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic-pae i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
I have rebooted the system. After login into GUI while KDE was loading I inserted USB keyboard to the USB port of my Dell laptop. Then I removed the keyboard and connected USB mouse to the same USB port and USB keyboard to another USB port. After this, the KDE daemon crashed.

 -- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  __strcpy_chk (dest=0x8856258 "pcm.(null)", src=0x0, destlen=128) at strcpy_chk.c:38
#7  0xb1c73aa7 in ?? () from /usr/lib/libasound.so.2
#8  0xb1c74c62 in snd_device_name_hint () from /usr/lib/libasound.so.2
#9  0xb1d1abdd in PhononServer::findVirtualDevices (this=0x881d1e0) at ../../../phonon/kded-module/phononserver.cpp:163
#10 0xb1d1e8df in PhononServer::findDevices (this=0x881d1e0) at ../../../phonon/kded-module/phononserver.cpp:517
#11 0xb1d22156 in PhononServer (this=0x881d1e0, parent=0x865ff68) at ../../../phonon/kded-module/phononserver.cpp:65
#12 0xb1d26a38 in KPluginFactory::createInstance<PhononServer, QObject> (parentWidget=0x0, parent=0x865ff68, args=...) at /usr/include/KDE/../kpluginfactory.h:461
#13 0xb769205e in KPluginFactory::create (this=0x881c7b0, iface=0xb76dad60 "KDEDModule", parentWidget=0x0, parent=0x865ff68, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:191
#14 0xb3d2235e in KPluginFactory::create<KDEDModule> (this=0x865ff68, s=..., onDemand=true) at ../../kdecore/util/kpluginfactory.h:491
#15 Kded::loadModule (this=0x865ff68, s=..., onDemand=true) at ../../kded/kded.cpp:376
#16 0xb3d22c1f in Kded::loadModule (this=0x865ff68, obj=..., onDemand=<value optimized out>) at ../../kded/kded.cpp:330
#17 0xb3d22e7f in Kded::messageFilter (message=...) at ../../kded/kded.cpp:191
#18 0xb5bf8538 in QDBusConnectionPrivate::handleMessage (this=0x8663b48, amsg=...) at qdbusintegrator.cpp:539
#19 0xb5bfeecb in qDBusSignalFilter (connection=0x8665270, message=0x881ba50, data=0x8663b48) at qdbusintegrator.cpp:530
#20 0xb3824c6d in dbus_connection_dispatch () from /lib/libdbus-1.so.3
#21 0xb5beb1e2 in q_dbus_connection_dispatch (this=0x8663b48) at qdbus_symbols_p.h:113
#22 QDBusConnectionPrivate::doDispatch (this=0x8663b48) at qdbusintegrator.cpp:1079
#23 0xb5beb3eb in QDBusConnectionPrivate::socketRead (this=0x8663b48, fd=5) at qdbusintegrator.cpp:1099
#24 0xb5c35bbf in QDBusConnectionPrivate::qt_metacall (this=0x8663b48, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfc0cd68) at .moc/release-shared/moc_qdbusconnection_p.cpp:99
#25 0xb6be7c9a in QMetaObject::metacall (object=0x8663b48, cl=142933896, idx=8, argv=0xbfc0cd68) at kernel/qmetaobject.cpp:237
#26 0xb6bf63d5 in QMetaObject::activate (sender=0x86f25e8, m=0xb6cf6550, local_signal_index=0, argv=0xbfc0cd68) at kernel/qobject.cpp:3293
#27 0xb6c47933 in QSocketNotifier::activated (this=0x86f25e8, _t1=5) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#28 0xb6bfd8e7 in QSocketNotifier::event (this=0x86f25e8, e=0xbfc0d1f4) at kernel/qsocketnotifier.cpp:317
#29 0xb60fb4dc in QApplicationPrivate::notify_helper (this=0x866c418, receiver=0x86f25e8, e=0xbfc0d1f4) at kernel/qapplication.cpp:4300
#30 0xb610205e in QApplication::notify (this=0xbfc0d540, receiver=0x86f25e8, e=0xbfc0d1f4) at kernel/qapplication.cpp:3704
#31 0xb6ed7f2a in KApplication::notify (this=0xbfc0d540, receiver=0x86f25e8, event=0xbfc0d1f4) at ../../kdeui/kernel/kapplication.cpp:302
#32 0xb6be2a3b in QCoreApplication::notifyInternal (this=0xbfc0d540, receiver=0x86f25e8, event=0xbfc0d1f4) at kernel/qcoreapplication.cpp:704
#33 0xb6c0e9aa in QCoreApplication::sendEvent (source=0x866e4d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#34 socketNotifierSourceDispatch (source=0x866e4d8) at kernel/qeventdispatcher_glib.cpp:110
#35 0xb58895e5 in g_main_dispatch (context=0x866e458) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:1960
#36 IA__g_main_context_dispatch (context=0x866e458) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2513
#37 0xb588d2d8 in g_main_context_iterate (context=0x866e458, block=<value optimized out>, dispatch=1, self=0x866bf70) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2591
#38 0xb588d4b8 in IA__g_main_context_iteration (context=0x866e458, may_block=1) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2654
#39 0xb6c0e5d5 in QEventDispatcherGlib::processEvents (this=0x861ee68, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#40 0xb61bb135 in QGuiEventDispatcherGlib::processEvents (this=0x861ee68, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0xb6be1059 in QEventLoop::processEvents (this=0xbfc0d494, flags=) at kernel/qeventloop.cpp:149
#42 0xb6be14aa in QEventLoop::exec (this=0xbfc0d494, flags=...) at kernel/qeventloop.cpp:201
#43 0xb6be569f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0xb60fb577 in QApplication::exec () at kernel/qapplication.cpp:3579
#45 0xb3d24e2e in kdemain (argc=1, argv=0x8652420) at ../../kded/kded.cpp:932
#46 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x0, reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#47 0x0805006d in main (argc=4, argv=0xbfc0dcb4, envp=0xbfc0dcc8) at ../../kinit/kinit.cpp:1788

Reported using DrKonqi