Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.33.1muj14 x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Screen before: 1280x800
Sometimes when I connect second monitor and run this command

xrandr --output VGA-0 --mode 1920x1200 --verbose --left-of LVDS --rotate normal --crtc 1 --output LVDS --auto --crtc 0

Plasma crash...

The crash does not seem to be reproducible.

 -- Backtrace:
Application: Pracovní plocha Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f21d6322760 (LWP 6911))]

Thread 2 (Thread 0x7f21b1ec1710 (LWP 6928)):
#0  0x00007fff3368c8e4 in clock_gettime ()
#1  0x00007f21cff6b09f in *__GI_clock_gettime (clock_id=1, tp=0x7f21b1ec0b00) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007f21d493499f in qt_gettime () at kernel/qcore_unix.cpp:111
#3  0x00007f21d49396ad in QTimerInfoList::updateCurrentTime (this=0x1) at kernel/qeventdispatcher_unix.cpp:340
#4  0x00007f21d49396d5 in QTimerInfoList::timerWait (this=0x1, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#5  0x00007f21d493775d in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f21b1ec0c1c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00007f21d4937805 in timerSourcePrepare (source=0x1, timeout=0x7f21b1ec0b00) at kernel/qeventdispatcher_glib.cpp:169
#7  0x00007f21cfccbeb1 in IA__g_main_context_prepare (context=0xdd2e70, priority=<value optimized out>) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2280
#8  0x00007f21cfccc318 in g_main_context_iterate (context=0xdd2e70, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2571
#9  0x00007f21cfccc8fc in IA__g_main_context_iteration (context=0xdd2e70, may_block=1) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2654
#10 0x00007f21d4937566 in QEventDispatcherGlib::processEvents (this=0xdd0b00, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#11 0x00007f21d490c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#12 0x00007f21d490cd6c in QEventLoop::exec (this=0x7f21b1ec0db0, flags=) at kernel/qeventloop.cpp:201
#13 0x00007f21d4816d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#14 0x00007f21d48ed178 in QInotifyFileSystemWatcherEngine::run (this=0xdc9350) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x00007f21d4819775 in QThreadPrivate::start (arg=0xdc9350) at thread/qthread_unix.cpp:248
#16 0x00007f21d45899ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#17 0x00007f21d333c69d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f21d6322760 (LWP 6911)):
[KCrash Handler]
#5  QWidget::mapToParent (this=0x0, pos=...) at kernel/qwidget.cpp:3997
#6  0x00007f21d3af2e2b in QWidget::mapTo (this=<value optimized out>, parent=0xd3b650, pos=...) at kernel/qwidget.cpp:3953
#7  0x00007f21b7a944c4 in SystemTray::X11EmbedPainter::performUpdates (this=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/fdo/x11embedpainter.cpp:127
#8  0x00007f21b7a94b08 in SystemTray::X11EmbedPainter::qt_metacall (this=0x9773b0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff33683a70) at ./x11embedpainter.moc:75
#9  0x00007f21d4920e3f in QMetaObject::activate (sender=0xd2bd48, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x1) at kernel/qobject.cpp:3293
#10 0x00007f21d491da63 in QObject::event (this=0xd2bd48, e=0x7fff336841c0) at kernel/qobject.cpp:1212
#11 0x00007f21d3aaa22c in QApplicationPrivate::notify_helper (this=0x6b5db0, receiver=0xd2bd48, e=0x7fff336841c0) at kernel/qapplication.cpp:4300
#12 0x00007f21d3ab06fb in QApplication::notify (this=0x69f7b0, receiver=0xd2bd48, e=0x7fff336841c0) at kernel/qapplication.cpp:4183
#13 0x00007f21d4e55526 in KApplication::notify (this=0x69f7b0, receiver=0xd2bd48, event=0x7fff336841c0) at ../../kdeui/kernel/kapplication.cpp:302
#14 0x00007f21d490e06c in QCoreApplication::notifyInternal (this=0x69f7b0, receiver=0xd2bd48, event=0x7fff336841c0) at kernel/qcoreapplication.cpp:704
#15 0x00007f21d493ad42 in QCoreApplication::sendEvent (this=0x6b93a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QTimerInfoList::activateTimers (this=0x6b93a0) at kernel/qeventdispatcher_unix.cpp:603
#17 0x00007f21d4937824 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#18 0x00007f21cfcc88c2 in g_main_dispatch (context=0x6b8530) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:1960
#19 IA__g_main_context_dispatch (context=0x6b8530) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2513
#20 0x00007f21cfccc748 in g_main_context_iterate (context=0x6b8530, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2591
#21 0x00007f21cfccc8fc in IA__g_main_context_iteration (context=0x6b8530, may_block=1) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2654
#22 0x00007f21d4937513 in QEventDispatcherGlib::processEvents (this=0x620140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#23 0x00007f21d3b5a46e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f21d490c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#25 0x00007f21d490cd6c in QEventLoop::exec (this=0x7fff33684460, flags=) at kernel/qeventloop.cpp:201
#26 0x00007f21d4910aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#27 0x00007f21c991bfb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#28 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#29 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#30 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#31 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Reported using DrKonqi