Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-19-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
After login I try to use dual monitors and then plasma crashes.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77e2aa0 (LWP 2154))]

Thread 2 (Thread 0xaadb9b70 (LWP 2156)):
#0  0x07d89e16 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x010a66fb in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0x010ab825 in QTimerInfoList::updateCurrentTime (this=0xabd01264) at kernel/qeventdispatcher_unix.cpp:340
#3  0x010ab86a in QTimerInfoList::timerWait (this=0xabd01264, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x010a9818 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaadb90cc) at kernel/qeventdispatcher_glib.cpp:136
#5  0x010a98a5 in timerSourcePrepare (source=0x0, timeout=0x7d8dff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x0120baca in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0x0120bee9 in ?? () from /lib/libglib-2.0.so.0
#8  0x0120c4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0x010a960f in QEventDispatcherGlib::processEvents (this=0x8ea7530, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x0107c059 in QEventLoop::processEvents (this=0xaadb9290, flags=) at kernel/qeventloop.cpp:149
#11 0x0107c4aa in QEventLoop::exec (this=0xaadb9290, flags=...) at kernel/qeventloop.cpp:201
#12 0x00f785a8 in QThread::exec (this=0x8e89a30) at thread/qthread.cpp:487
#13 0x0105bc1b in QInotifyFileSystemWatcherEngine::run (this=0x8e89a30) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x00f7b32e in QThreadPrivate::start (arg=0x8e89a30) at thread/qthread_unix.cpp:248
#15 0x00d8e96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x03dd99de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77e2aa0 (LWP 2154)):
[KCrash Handler]
#6  QWidget::mapToParent (this=0x0, pos=...) at kernel/qwidget.cpp:3997
#7  0x022f080b in QWidget::mapTo (this=0x0, parent=0x904fcf8, pos=...) at kernel/qwidget.cpp:3953
#8  0x055eff36 in SystemTray::X11EmbedPainter::performUpdates (this=0x8a6c538) at ../../../../../plasma/generic/applets/systemtray/protocols/fdo/x11embedpainter.cpp:127
#9  0x055f0381 in SystemTray::X11EmbedPainter::qt_metacall (this=0x8a6c538, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfea88cc) at ./x11embedpainter.moc:75
#10 0x01082c9a in QMetaObject::metacall (object=0x8a6c538, cl=3219818232, idx=4, argv=0xbfea88cc) at kernel/qmetaobject.cpp:237
#11 0x010913d5 in QMetaObject::activate (sender=0x904e4bc, m=0x11915a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#12 0x010e2aa7 in QTimer::timeout (this=0x904e4bc) at .moc/release-shared/moc_qtimer.cpp:134
#13 0x0109960e in QTimer::timerEvent (this=0x904e4bc, e=0xbfea8e00) at kernel/qtimer.cpp:271
#14 0x0108e254 in QObject::event (this=0x904e4bc, e=0x0) at kernel/qobject.cpp:1212
#15 0x022a04dc in QApplicationPrivate::notify_helper (this=0x88013e8, receiver=0x904e4bc, e=0xbfea8e00) at kernel/qapplication.cpp:4300
#16 0x022a705e in QApplication::notify (this=0x87fb328, receiver=0x904e4bc, e=0xbfea8e00) at kernel/qapplication.cpp:3704
#17 0x006acf2a in KApplication::notify (this=0x87fb328, receiver=0x904e4bc, event=0xbfea8e00) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x0107da3b in QCoreApplication::notifyInternal (this=0x87fb328, receiver=0x904e4bc, event=0xbfea8e00) at kernel/qcoreapplication.cpp:704
#19 0x010acd66 in QCoreApplication::sendEvent (this=0x8804074) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8804074) at kernel/qeventdispatcher_unix.cpp:603
#21 0x010a98e4 in timerSourceDispatch (source=0x8804040) at kernel/qeventdispatcher_glib.cpp:184
#22 0x012085e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x0120c2d8 in ?? () from /lib/libglib-2.0.so.0
#24 0x0120c4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x010a95d5 in QEventDispatcherGlib::processEvents (this=0x8801290, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#26 0x02360135 in QGuiEventDispatcherGlib::processEvents (this=0x8801290, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x0107c059 in QEventLoop::processEvents (this=0xbfea90c4, flags=) at kernel/qeventloop.cpp:149
#28 0x0107c4aa in QEventLoop::exec (this=0xbfea90c4, flags=...) at kernel/qeventloop.cpp:201
#29 0x0108069f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#30 0x022a0577 in QApplication::exec () at kernel/qapplication.cpp:3579
#31 0x0864605e in kdemain (argc=1, argv=0x87f2168) at ../../../../plasma/desktop/shell/main.cpp:112
#32 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x87efbc0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#33 0x0804ec6d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#34 0x0804f190 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#35 0x0804fe4f in main (argc=4, argv=0xbfea9b74, envp=0xbfea9b88) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 231988, bug 230167, bug 227260, bug 224729, bug 221396.

Reported using DrKonqi