Application that crashed: systemsettings
Version of the application: 1.0
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-174.2.3.fc12.x86_64 x86_64

What I was doing when the application crashed:
If I remember correctly KpackageKit crashed after confirming dependecies to install another package.

 -- Backtrace:
Application: Impostazioni di sistema (systemsettings), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  QMetaObject::activate (sender=0x726f273d7265646e, m=<value optimized out>, local_signal_index=21, argv=0x7fffc63d7bc0) at kernel/qobject.cpp:3182
#6  0x0000003904221d45 in PackageKit::Transaction::destroyed (this=<value optimized out>, _t1=<value optimized out>) at transaction.moc:377
#7  0x00000039042271cc in PackageKit::TransactionPrivate::finished (this=0x2254cf0, exitCode=..., runtime=5511) at transactionprivate.cpp:84
#8  0x0000003904228bf6 in PackageKit::TransactionPrivate::qt_metacall (this=0x2254cf0, _c=InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc63d7d80) at transactionprivate.moc:111
#9  0x00000038fe15408c in QMetaObject::activate (sender=0x223e920, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7fffc63d7d80) at kernel/qobject.cpp:3112
#10 0x000000390422a2c6 in PackageKit::TransactionProxy::Finished (this=<value optimized out>, _t1=<value optimized out>, _t2=5511) at transactionproxy.moc:453
#11 0x000000390422ab74 in PackageKit::TransactionProxy::qt_metacall (this=0x223e920, _c=InvokeMetaMethod, _id=10, _a=0x7fffc63d8bb0) at transactionproxy.moc:242
#12 0x00000038fdc22e84 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:891
#13 0x00000038fdc2a61f in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib64/libQtDBus.so.4
#14 0x00000038fe14e401 in QObject::event (this=0x223e920, e=0x22f45b0) at kernel/qobject.cpp:1110
#15 0x0000003369d8f65c in QApplicationPrivate::notify_helper (this=0x1be87b0, receiver=0x223e920, e=0x22f45b0) at kernel/qapplication.cpp:4065
#16 0x0000003369d968ce in QApplication::notify (this=<value optimized out>, receiver=0x223e920, e=0x22f45b0) at kernel/qapplication.cpp:4030
#17 0x00000034e2a11a66 in KApplication::notify (this=0x7fffc63dbe00, receiver=0x223e920, event=0x22f45b0) at /usr/src/debug/kdelibs-4.3.4/kdeui/kernel/kapplication.cpp:302
#18 0x00000038fe13ee6c in QCoreApplication::notifyInternal (this=0x7fffc63dbe00, receiver=0x223e920, event=0x22f45b0) at kernel/qcoreapplication.cpp:610
#19 0x00000038fe13fa42 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1bb2fa0) at kernel/qcoreapplication.h:213
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1bb2fa0) at kernel/qcoreapplication.cpp:1247
#21 0x00000038fe167573 in sendPostedEvents (s=<value optimized out>) at kernel/qcoreapplication.h:218
#22 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#23 0x00000038f583922e in g_main_dispatch (context=0x1bdecc0) at gmain.c:1960
#24 IA__g_main_context_dispatch (context=0x1bdecc0) at gmain.c:2513
#25 0x00000038f583cc18 in g_main_context_iterate (context=0x1bdecc0, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#26 0x00000038f583cd3a in IA__g_main_context_iteration (context=0x1bdecc0, may_block=1) at gmain.c:2654
#27 0x00000038fe1671e6 in QEventDispatcherGlib::processEvents (this=0x1bb27b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#28 0x0000003369e21ffe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x00000038fe13d772 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00000038fe13db44 in QEventLoop::exec (this=0x7fffc63d94a0, flags=...) at kernel/qeventloop.cpp:201
#31 0x0000003c9502b699 in KpkReviewChanges::exec (this=0x1f48cb0, flags=<value optimized out>) at /usr/src/debug/kpackagekit-0.5.4/libkpackagekit/KpkReviewChanges.cpp:125
#32 0x00007f4b16f5ee38 in KpkAddRm::save (this=0x20de870) at /usr/src/debug/kpackagekit-0.5.4/AddRm/KpkAddRm.cpp:421
#33 0x00007f4b16f5f54c in KpkAddRm::qt_metacall (this=0x20de870, _c=InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc63d9650)
    at /usr/src/debug/kpackagekit-0.5.4/x86_64-redhat-linux-gnu/AddRm/KpkAddRm.moc:100
#34 0x00000038fe15408c in QMetaObject::activate (sender=0x1ff9ac0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3112
#35 0x00000034e46258a7 in KCModuleProxy::save (this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kutils/kcmoduleproxy.cpp:273
#36 0x0000003807a12fcc in ModuleView::qt_metacall (this=0x1f24af0, _c=InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc63d97d0)
    at /usr/src/debug/kdebase-workspace-4.3.4/x86_64-redhat-linux-gnu/systemsettings/core/ModuleView.moc:89
#37 0x00000038fe15408c in QMetaObject::activate (sender=0x1f2c760, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7fffc63d97d0) at kernel/qobject.cpp:3112
#38 0x000000336a38af77 in QAbstractButton::clicked (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#39 0x000000336a0eedfb in QAbstractButtonPrivate::emitClicked (this=0x1f30bb0) at widgets/qabstractbutton.cpp:543
#40 0x000000336a0f09fb in QAbstractButtonPrivate::click (this=0x1f30bb0) at widgets/qabstractbutton.cpp:536
#41 0x000000336a0f0c55 in QAbstractButton::mouseReleaseEvent (this=0x1f2c760, e=0x7fffc63d9ef0) at widgets/qabstractbutton.cpp:1115
#42 0x0000003369dddcd8 in QWidget::event (this=0x1f2c760, event=0x7fffc63d9ef0) at kernel/qwidget.cpp:7554
#43 0x0000003369d8f65c in QApplicationPrivate::notify_helper (this=0x1be87b0, receiver=0x1f2c760, e=0x7fffc63d9ef0) at kernel/qapplication.cpp:4065
#44 0x0000003369d96715 in QApplication::notify (this=<value optimized out>, receiver=0x1f2c760, e=0x7fffc63d9ef0) at kernel/qapplication.cpp:3767
#45 0x00000034e2a11a66 in KApplication::notify (this=0x7fffc63dbe00, receiver=0x1f2c760, event=0x7fffc63d9ef0) at /usr/src/debug/kdelibs-4.3.4/kdeui/kernel/kapplication.cpp:302
#46 0x00000038fe13ee6c in QCoreApplication::notifyInternal (this=0x7fffc63dbe00, receiver=0x1f2c760, event=0x7fffc63d9ef0) at kernel/qcoreapplication.cpp:610
#47 0x0000003369d95ff2 in sendSpontaneousEvent (receiver=0x1f2c760, event=0x7fffc63d9ef0, alienWidget=0x1f2c760, nativeWidget=0x1c6a3a0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:216
#48 QApplicationPrivate::sendMouseEvent (receiver=0x1f2c760, event=0x7fffc63d9ef0, alienWidget=0x1f2c760, nativeWidget=0x1c6a3a0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2924
#49 0x0000003369dfb9ee in QETWidget::translateMouseEvent (this=0x1c6a3a0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4408
#50 0x0000003369dfaaa8 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffc63dba20) at kernel/qapplication_x11.cpp:3549
#51 0x0000003369e2284c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#52 0x00000038f583922e in g_main_dispatch (context=0x1bdecc0) at gmain.c:1960
#53 IA__g_main_context_dispatch (context=0x1bdecc0) at gmain.c:2513
#54 0x00000038f583cc18 in g_main_context_iterate (context=0x1bdecc0, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#55 0x00000038f583cd3a in IA__g_main_context_iteration (context=0x1bdecc0, may_block=1) at gmain.c:2654
#56 0x00000038fe1671e6 in QEventDispatcherGlib::processEvents (this=0x1bb27b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#57 0x0000003369e21ffe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#58 0x00000038fe13d772 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#59 0x00000038fe13db44 in QEventLoop::exec (this=0x7fffc63dbd50, flags=...) at kernel/qeventloop.cpp:201
#60 0x00000038fe13fcd9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#61 0x000000000040c229 in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.3.4/systemsettings/app/main.cpp:51

Reported using DrKonqi