Application that crashed: kded4
Version of the application: $Id: kded.cpp 1031638 2009-10-05 16:59:11Z lunakl $
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-17-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
khotkeys crash randomly, especially when i use chromium browser

 -- Backtrace:
Application: Demone KDE (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007f8249ed673c in QMutex::lock (this=0xcfc914) at thread/qmutex.cpp:152
#6  0x00007f8249fd7075 in QMutexLocker::relock (sender=0xd33da0, from_signal_index=15, to_signal_index=<value optimized out>, argv=0x7fff99a10d80)
    at ../../include/QtCore/../../src/corelib/thread/qmutex.h:120
#7  QMutexLocker (sender=0xd33da0, from_signal_index=15, to_signal_index=<value optimized out>, argv=0x7fff99a10d80) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:102
#8  QMetaObject::activate (sender=0xd33da0, from_signal_index=15, to_signal_index=<value optimized out>, argv=0x7fff99a10d80) at kernel/qobject.cpp:3052
#9  0x00007f8239928bcf in PackageKit::Transaction::finished(PackageKit::Transaction::ExitStatus, unsigned int) () from /usr/lib/libpackagekit-qt.so.12
#10 0x00007f8239924539 in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libpackagekit-qt.so.12
#11 0x00007f8239925e28 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#12 0x00007f8249fd6ddc in QMetaObject::activate (sender=0xb90cf0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7f824a2b35e0) at kernel/qobject.cpp:3113
#13 0x00007f8246075a5f in QDBusConnectionInterface::serviceOwnerChanged (this=0xcfc914, _t1=<value optimized out>, _t2=<value optimized out>, _t3=<value optimized out>)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:204
#14 0x00007f8246075d04 in QDBusConnectionInterface::qt_metacall (this=0xb90cf0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff99a111e0)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:131
#15 0x00007f8249fd6ddc in QMetaObject::activate (sender=0xb90cf0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7f824a2b35e0) at kernel/qobject.cpp:3113
#16 0x00007f824607598f in QDBusConnectionInterface::NameOwnerChanged (this=0xcfc914, _t1=<value optimized out>, _t2=<value optimized out>, _t3=<value optimized out>)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:232
#17 0x00007f8246075d6c in QDBusConnectionInterface::qt_metacall (this=0xb90cf0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff99a115f0)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:135
#18 0x00007f8246040ad4 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:891
#19 0x00007f8246047def in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib/libQtDBus.so.4
#20 0x00007f8249fd10f9 in QObject::event (this=0xb90cf0, e=0xd378f0) at kernel/qobject.cpp:1111
#21 0x00007f8247f6defc in QApplicationPrivate::notify_helper (this=0xaa33a0, receiver=0xb90cf0, e=0xd378f0) at kernel/qapplication.cpp:4056
#22 0x00007f8247f751ce in QApplication::notify (this=0x7fff99a11f90, receiver=0xb90cf0, e=0xd378f0) at kernel/qapplication.cpp:4021
#23 0x00007f8248ba4e56 in KApplication::notify (this=0x7fff99a11f90, receiver=0xb90cf0, event=0xd378f0) at ../../kdeui/kernel/kapplication.cpp:302
#24 0x00007f8249fc1c2c in QCoreApplication::notifyInternal (this=0x7fff99a11f90, receiver=0xb90cf0, event=0xd378f0) at kernel/qcoreapplication.cpp:610
#25 0x00007f8249fc280a in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xa204d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xa204d0) at kernel/qcoreapplication.cpp:1247
#27 0x00007f8249fea533 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#28 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#29 0x00007f8246e9ebce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x00007f8246ea2598 in ?? () from /lib/libglib-2.0.so.0
#31 0x00007f8246ea26c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x00007f8249fea1a6 in QEventDispatcherGlib::processEvents (this=0xa23040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#33 0x00007f82480024be in QGuiEventDispatcherGlib::processEvents (this=0xcfc914, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007f8249fc0532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#35 0x00007f8249fc0904 in QEventLoop::exec (this=0x7fff99a11ee0, flags=) at kernel/qeventloop.cpp:201
#36 0x00007f8249fc2ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x00007f823da29cfb in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kded/kded.cpp:936
#38 0x0000000000406da8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a299 "0") at ../../kinit/kinit.cpp:677
#39 0x0000000000408cc0 in main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1740

Reported using DrKonqi