Application: kpackagekit (0.5.4)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32.11-99.fc12.i686 i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I was in the kPackageKit adding packages to be downloaded/installed into my Fedora Core 12 system.  The package group was "Development".  I had selected several individual packages for installation.  After adding one, not yet clicking "Apply", the crash window popped up.

 -- Backtrace:
Application: KPackageKit (kpackagekit), signal: Segmentation fault
[KCrash Handler]
#6  0x0029cbba in size (this=0xbf91a9ec, event=0x91d8ab0, receiver=0x8f6b120, postedEvents=0x80557dc) at ../../src/corelib/tools/qlist.h:90
#7  size (this=0xbf91a9ec, event=0x91d8ab0, receiver=0x8f6b120, postedEvents=0x80557dc) at ../../src/corelib/tools/qlist.h:120
#8  QCoreApplication::compressEvent (this=0xbf91a9ec, event=0x91d8ab0, receiver=0x8f6b120, postedEvents=0x80557dc) at kernel/qcoreapplication.cpp:1197
#9  0x05bbb9e9 in QApplication::compressEvent (this=0xbf91a9ec, event=0x91d8ab0, receiver=0x8f6b120, postedEvents=0x80557dc) at kernel/qapplication.cpp:1225
#10 0x0029d887 in QCoreApplication::postEvent (receiver=0x8f6b120, event=0x91d8ab0, priority=0) at kernel/qcoreapplication.cpp:1132
#11 0x0029db6d in QCoreApplication::postEvent (receiver=0x8f6b120, event=0x91d8ab0) at kernel/qcoreapplication.cpp:1066
#12 0x002ad1a5 in QObject::deleteLater (this=0x8f6b120) at kernel/qobject.cpp:2158
#13 0x007b12bf in PackageKit::ClientPrivate::serviceOwnerChanged (this=0x8cc06d8, name=..., oldOnwer=..., newOwner=...) at clientprivate.cpp:102
#14 0x007b3053 in PackageKit::ClientPrivate::qt_metacall (this=0x8cc06d8, _c=InvokeMetaMethod, _id=<value optimized out>, _a=0xbf919d40) at clientprivate.moc:80
#15 0x002a25db in QMetaObject::metacall (object=0x8cc06d8, cl=InvokeMetaMethod, idx=6, argv=0xbf919d40) at kernel/qmetaobject.cpp:237
#16 0x002b14af in QMetaObject::activate (sender=0x8d65a30, m=0xca9388, local_signal_index=2, argv=0xbf919d40) at kernel/qobject.cpp:3293
#17 0x00c90d20 in QDBusConnectionInterface::serviceOwnerChanged (this=0x8d65a30, _t1=..., _t2=..., _t3=...) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:210
#18 0x00c9107b in QDBusConnectionInterface::qt_metacall (this=0x8d65a30, _c=InvokeMetaMethod, _id=2, _a=0xbf919f10) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:137
#19 0x002a25db in QMetaObject::metacall (object=0x8d65a30, cl=InvokeMetaMethod, idx=7, argv=0xbf919f10) at kernel/qmetaobject.cpp:237
#20 0x002b14af in QMetaObject::activate (sender=0x8d65a30, m=0xca9388, local_signal_index=6, argv=0xbf919f10) at kernel/qobject.cpp:3293
#21 0x00c90bc0 in QDBusConnectionInterface::NameOwnerChanged (this=0x8d65a30, _t1=..., _t2=..., _t3=...) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:238
#22 0x00c9110b in QDBusConnectionInterface::qt_metacall (this=0x8d65a30, _c=InvokeMetaMethod, _id=6, _a=0xbf91a11c) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:141
#23 0x00c55f7c in QDBusConnectionPrivate::deliverCall (this=0x8cc0908, object=0x8d65a30, msg=..., metaTypes=..., slotIdx=11) at qdbusintegrator.cpp:904
#24 0x00c60ad8 in QDBusCallDeliveryEvent::placeMetaCall (this=0x915bf10, object=0x8d65a30) at qdbusintegrator_p.h:101
#25 0x002adc4e in QObject::event (this=0x8d65a30, e=0x915bf10) at kernel/qobject.cpp:1248
#26 0x05bbb1cc in QApplicationPrivate::notify_helper (this=0x8bebed8, receiver=0x8d65a30, e=0x915bf10) at kernel/qapplication.cpp:4300
#27 0x05bc19f6 in QApplication::notify (this=0xbf91a9ec, receiver=0x8d65a30, e=0x915bf10) at kernel/qapplication.cpp:3704
#28 0x009aa7cb in KApplication::notify (this=0xbf91a9ec, receiver=0x8d65a30, event=0x915bf10) at /usr/src/debug/kdelibs-4.4.2/kdeui/kernel/kapplication.cpp:302
#29 0x0029dc03 in QCoreApplication::notifyInternal (this=0xbf91a9ec, receiver=0x8d65a30, event=0x915bf10) at kernel/qcoreapplication.cpp:704
#30 0x0029eac3 in sendEvent (receiver=0x0, event_type=0, data=0x8bce868) at kernel/qcoreapplication.h:215
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8bce868) at kernel/qcoreapplication.cpp:1345
#32 0x0029ec1e in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#33 0x002c6350 in sendPostedEvents (s=0x8beed10) at kernel/qcoreapplication.h:220
#34 postEventSourceDispatch (s=0x8beed10) at kernel/qeventdispatcher_glib.cpp:276
#35 0x01cbafb8 in g_main_dispatch (context=0x8beec90) at gmain.c:1960
#36 IA__g_main_context_dispatch (context=0x8beec90) at gmain.c:2513
#37 0x01cbe8e8 in g_main_context_iterate (context=0x3f8eb0, block=1, dispatch=1, self=0x8bead30) at gmain.c:2591
#38 0x01cbea14 in IA__g_main_context_iteration (context=0x8beec90, may_block=1) at gmain.c:2654
#39 0x002c5e46 in QEventDispatcherGlib::processEvents (this=0x8bce340, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#40 0x05c69586 in QGuiEventDispatcherGlib::processEvents (this=0x8bce340, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x0029c2da in QEventLoop::processEvents (this=0xbf91a944, flags=...) at kernel/qeventloop.cpp:149
#42 0x0029c61a in QEventLoop::exec (this=0xbf91a944, flags=...) at kernel/qeventloop.cpp:201
#43 0x0029ece7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0x05bbb278 in QApplication::exec () at kernel/qapplication.cpp:3579
#45 0x0804cd6b in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kpackagekit-0.5.4/KPackageKit/main.cpp:66

Reported using DrKonqi