Application that crashed: ksmserver
Version of the application: 0.4
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
server x crashes trying to shur down PC by menu option 

 -- Backtrace:
Application: Il gestore di sessione di KDE (kdeinit4), signal: Aborted
[KCrash Handler]
#6  0x00bca422 in __kernel_vsyscall ()
#7  0x006674d1 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#8  0x0066a932 in *__GI_abort () at abort.c:92
#9  0x00660648 in *__GI___assert_fail (assertion=0x223c50 "(((long) (dpy->last_request_read) - (long) (dpy->request)) <= 0)", file=0x223b29 "../../src/xcb_io.c", line=242, 
    function=0x223cd2 "process_responses") at assert.c:81
#10 0x001b3ffd in ?? () from /usr/lib/libX11.so.6
#11 0x001b48c6 in _XEventsQueued () from /usr/lib/libX11.so.6
#12 0x001871a5 in XCheckIfEvent () from /usr/lib/libX11.so.6
#13 0x05733df1 in QETWidget::translatePaintEvent (this=0x8352690, event=0xbfb2dd5c) at kernel/qapplication_x11.cpp:5090
#14 0x057426f2 in QApplication::x11ProcessEvent (this=0x834df98, event=0xbfb2dd5c) at kernel/qapplication_x11.cpp:3450
#15 0x0576f502 in x11EventSourceDispatch (s=0x8351500, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#16 0x00a91e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#17 0x00a95730 in ?? () from /lib/libglib-2.0.so.0
#18 0x00a95863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#19 0x0054c02c in QEventDispatcherGlib::processEvents (this=0x834dca8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#20 0x0576ebe5 in QGuiEventDispatcherGlib::processEvents (this=0x834dca8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#21 0x0051fc79 in QEventLoop::processEvents (this=0xbfb2e050, flags=) at kernel/qeventloop.cpp:149
#22 0x005200ca in QEventLoop::exec (this=0xbfb2e050, flags=...) at kernel/qeventloop.cpp:201
#23 0x05bbad53 in QDialog::exec (this=0x83dcd60) at dialogs/qdialog.cpp:498
#24 0x0616fdd3 in KSMShutdownDlg::confirmShutdown (maysd=<value optimized out>, choose=<value optimized out>, sdtype=@0xbfb2e208, bootOption=...) at ../../ksmserver/shutdowndlg.cpp:668
#25 0x0617d39a in KSMServer::shutdown (this=0x83df580, confirm=KWorkSpace::ShutdownConfirmDefault, sdtype=KWorkSpace::ShutdownTypeHalt, sdmode=KWorkSpace::ShutdownModeInteractive)
    at ../../ksmserver/shutdown.cpp:157
#26 0x061811cf in KSMServerInterfaceAdaptor::logout (this=0x83dd650, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb2e38c) at ksmserverinterfaceadaptor.cpp:51
#27 KSMServerInterfaceAdaptor::qt_metacall (this=0x83dd650, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb2e38c) at ksmserverinterfaceadaptor.moc:102
#28 0x00b747b4 in QDBusConnectionPrivate::deliverCall (this=0x83a4dd8, object=0x83dd650, msg=..., metaTypes=..., slotIdx=6) at qdbusintegrator.cpp:891
#29 0x00b7595d in QDBusConnectionPrivate::activateCall (this=0x83a4dd8, object=0x83dd650, flags=273, msg=...) at qdbusintegrator.cpp:796
#30 0x00b76234 in QDBusConnectionPrivate::activateObject (this=0x83a4dd8, node=..., msg=..., pathStartPos=10) at qdbusintegrator.cpp:1347
#31 0x00b764da in QDBusActivateObjectEvent::placeMetaCall (this=0x83ad3b0) at qdbusintegrator.cpp:1464
#32 0x005315fe in QObject::event (this=0x83df580, e=0x83ad3b0) at kernel/qobject.cpp:1111
#33 0x056cdf54 in QApplicationPrivate::notify_helper (this=0x834e018, receiver=0x83df580, e=0x83ad3b0) at kernel/qapplication.cpp:4056
#34 0x056d567c in QApplication::notify (this=0x834df98, receiver=0x83df580, e=0x83ad3b0) at kernel/qapplication.cpp:3603
#35 0x011babfa in KApplication::notify (this=0x834df98, receiver=0x83df580, event=0x83ad3b0) at ../../kdeui/kernel/kapplication.cpp:302
#36 0x005216cb in QCoreApplication::notifyInternal (this=0x834df98, receiver=0x83df580, event=0x83ad3b0) at kernel/qcoreapplication.cpp:610
#37 0x005222b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x82c8e48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x82c8e48) at kernel/qcoreapplication.cpp:1247
#39 0x0052247d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#40 0x0054c3ff in QCoreApplication::sendPostedEvents (s=0x8350710) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#41 postEventSourceDispatch (s=0x8350710) at kernel/qeventdispatcher_glib.cpp:210
#42 0x00a91e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x00a95730 in ?? () from /lib/libglib-2.0.so.0
#44 0x00a95863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x0054c02c in QEventDispatcherGlib::processEvents (this=0x834dca8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#46 0x0576ebe5 in QGuiEventDispatcherGlib::processEvents (this=0x834dca8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#47 0x0051fc79 in QEventLoop::processEvents (this=0xbfb2ec34, flags=) at kernel/qeventloop.cpp:149
#48 0x005200ca in QEventLoop::exec (this=0xbfb2ec34, flags=...) at kernel/qeventloop.cpp:201
#49 0x0052253f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#50 0x056cddd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#51 0x06163b7b in kdemain (argc=1, argv=0x8300e70) at ../../ksmserver/main.cpp:322
#52 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x830343e "/home/fausto", envc=26, envs=0x830344f "KDE_FULL_SESSION=true", 
    reset_env=true, tty=0x83037dd "", avoid_loops=false, startup_id_str=0x83037e2 "") at ../../kinit/kinit.cpp:677
#53 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#54 0x0804ee69 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1353
#55 0x0804fbaf in main (argc=2, argv=0xbfb2f574, envp=0xbfb2f580) at ../../kinit/kinit.cpp:1793

Reported using DrKonqi