Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-16-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
when i start kubunt i close the firestater window and then the plasma desktop crash.

 -- Backtrace:
Application: Plasma-Arbeitsfläche (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7884760 (LWP 4842))]

Thread 2 (Thread 0xaa575b70 (LWP 4847)):
#0  0x06686e16 in *__GI_clock_gettime (clock_id=107524084, tp=0xaa574f68) at ../sysdeps/unix/clock_gettime.c:100
#1  0x00fd468b in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0x00fd97b5 in QTimerInfoList::updateCurrentTime (this=0xa9c01a34) at kernel/qeventdispatcher_unix.cpp:340
#3  0x00fd97fa in QTimerInfoList::timerWait (this=0xa9c01a34, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x00fd77a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaa57507c) at kernel/qeventdispatcher_glib.cpp:136
#5  0x00fd7835 in timerSourcePrepare (source=0x0, timeout=0x668aff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x0355787a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0x03557c99 in ?? () from /lib/libglib-2.0.so.0
#8  0x03558268 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0x00fd759f in QEventDispatcherGlib::processEvents (this=0xa9c00468, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x00fa9ff9 in QEventLoop::processEvents (this=0xaa575240, flags=) at kernel/qeventloop.cpp:149
#11 0x00faa44a in QEventLoop::exec (this=0xaa575240, flags=...) at kernel/qeventloop.cpp:201
#12 0x00ea65a8 in QThread::exec (this=0xa3c9690) at thread/qthread.cpp:487
#13 0x00f89bcb in QInotifyFileSystemWatcherEngine::run (this=0xa3c9690) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x00ea932e in QThreadPrivate::start (arg=0xa3c9690) at thread/qthread_unix.cpp:248
#15 0x007be96e in start_thread (arg=0xaa575b70) at pthread_create.c:300
#16 0x0539d9de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7884760 (LWP 4842)):
[KCrash Handler]
#6  QWidget::mapToParent (this=0x0, pos=...) at kernel/qwidget.cpp:3997
#7  0x044fc79b in QWidget::mapTo (this=0x0, parent=0xa4e64f8, pos=...) at kernel/qwidget.cpp:3953
#8  0x0152bea6 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#9  0x0152c2f1 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#10 0x00fb0c3a in QMetaObject::metacall (object=0xa283140, cl=3219593224, idx=172846008, argv=0xbfe71888) at kernel/qmetaobject.cpp:237
#11 0x00fbf375 in QMetaObject::activate (sender=0xa437dbc, m=0x10bf5a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#12 0x01010a37 in QTimer::timeout (this=0xa437dbc) at .moc/release-shared/moc_qtimer.cpp:134
#13 0x00fc75ae in QTimer::timerEvent (this=0xa437dbc, e=0xbfe71f10) at kernel/qtimer.cpp:271
#14 0x00fbc1f4 in QObject::event (this=0xa437dbc, e=0x0) at kernel/qobject.cpp:1212
#15 0x044ac4dc in QApplicationPrivate::notify_helper (this=0xa002518, receiver=0xa437dbc, e=0xbfe71f10) at kernel/qapplication.cpp:4300
#16 0x044b305e in QApplication::notify (this=0x9ffc6d0, receiver=0xa437dbc, e=0xbfe71f10) at kernel/qapplication.cpp:3704
#17 0x00c6befa in KApplication::notify (this=0x9ffc6d0, receiver=0xa437dbc, event=0xbfe71f10) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00fab9db in QCoreApplication::notifyInternal (this=0x9ffc6d0, receiver=0xa437dbc, event=0xbfe71f10) at kernel/qcoreapplication.cpp:704
#19 0x00fdacf6 in QCoreApplication::sendEvent (this=0xa005174) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0xa005174) at kernel/qeventdispatcher_unix.cpp:603
#21 0x00fd7874 in timerSourceDispatch (source=0xa005140) at kernel/qeventdispatcher_glib.cpp:184
#22 0x03554395 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x03558088 in ?? () from /lib/libglib-2.0.so.0
#24 0x03558268 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00fd7565 in QEventDispatcherGlib::processEvents (this=0xa0021e8, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#26 0x0456bf65 in QGuiEventDispatcherGlib::processEvents (this=0xa0021e8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00fa9ff9 in QEventLoop::processEvents (this=0xbfe721d4, flags=) at kernel/qeventloop.cpp:149
#28 0x00faa44a in QEventLoop::exec (this=0xbfe721d4, flags=...) at kernel/qeventloop.cpp:201
#29 0x00fae63f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#30 0x044ac577 in QApplication::exec () at kernel/qapplication.cpp:3579
#31 0x0814319e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#32 0x0804e037 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x9ff3e50 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#33 0x0804ec55 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#34 0x0804f193 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#35 0x0804fe7f in main (argc=4, argv=0xbfe72c84, envp=0xbfe72c98) at ../../kinit/kinit.cpp:1841

Reported using DrKonqi