Application: kwin (4.3.90 (KDE 4.3.90 (KDE 4.4 RC1)))
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.32-11-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
I had just selected netbook and got the crash as soon as I hit apply.  Plasma netbook was already running as I had started it manually.

 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#6  0x00dd59eb in KDecoration::widget (this=0x887c040, check_workspace_pos=true, force=true) at ../../kwin/lib/kdecoration.h:1026
#7  KWin::Client::updateDecoration (this=0x887c040, check_workspace_pos=true, force=true) at ../../kwin/client.cpp:370
#8  0x00dc6975 in KWin::Workspace::slotReconfigure (this=0x84f4dc8) at ../../kwin/workspace.cpp:1077
#9  0x00dc7b8b in KWin::Workspace::qt_metacall (this=0x84f4dc8, _c=QMetaObject::InvokeMetaMethod, _id=136, _a=0xbfc2b1fc) at ./workspace.moc:498
#10 0x03cfa95a in QMetaObject::metacall (object=0x84f4dc8, cl=3217206896, idx=136, argv=0xbfc2b1fc) at kernel/qmetaobject.cpp:237
#11 0x03d090db in QMetaObject::activate (sender=0x84f4f68, m=0x3e095a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3294
#12 0x03d5a9d7 in QTimer::timeout (this=0x84f4f68) at .moc/release-shared/moc_qtimer.cpp:134
#13 0x03d1136e in QTimer::timerEvent (this=0x84f4f68, e=0xbfc2b6e0) at kernel/qtimer.cpp:271
#14 0x03d05f44 in QObject::event (this=0x84f4f68, e=0x887f3a8) at kernel/qobject.cpp:1224
#15 0x024b61dc in QApplicationPrivate::notify_helper (this=0x8425500, receiver=0x84f4f68, e=0xbfc2b6e0) at kernel/qapplication.cpp:4242
#16 0x024bce37 in QApplication::notify (this=0xbfc2ba58, receiver=0x84f4f68, e=0xbfc2b6e0) at kernel/qapplication.cpp:3661
#17 0x006b738a in KApplication::notify (this=0xbfc2ba58, receiver=0x84f4f68, event=0xbfc2b6e0) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00de1eef in KWin::Application::notify (this=0xbfc2ba58, o=0x84f4f68, e=0xbfc2b6e0) at ../../kwin/main.cpp:370
#19 0x03cf56fb in QCoreApplication::notifyInternal (this=0xbfc2ba58, receiver=0x84f4f68, event=0xbfc2b6e0) at kernel/qcoreapplication.cpp:704
#20 0x03d24aa6 in QCoreApplication::sendEvent (this=0x8428774) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 QTimerInfoList::activateTimers (this=0x8428774) at kernel/qeventdispatcher_unix.cpp:603
#22 0x03d21737 in timerSourceDispatch (source=0x84287b0) at kernel/qeventdispatcher_glib.cpp:184
#23 idleTimerSourceDispatch (source=0x84287b0) at kernel/qeventdispatcher_glib.cpp:231
#24 0x03451fe8 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x03455890 in ?? () from /lib/libglib-2.0.so.0
#26 0x034559c3 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x03d213f5 in QEventDispatcherGlib::processEvents (this=0x84254c0, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#28 0x02573ba5 in QGuiEventDispatcherGlib::processEvents (this=0x84254c0, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x03cf3d19 in QEventLoop::processEvents (this=0xbfc2b9a4, flags=) at kernel/qeventloop.cpp:149
#30 0x03cf416a in QEventLoop::exec (this=0xbfc2b9a4, flags=...) at kernel/qeventloop.cpp:201
#31 0x03cf835f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#32 0x024b6277 in QApplication::exec () at kernel/qapplication.cpp:3570
#33 0x00de3b00 in kdemain (argc=1, argv=0xbfc2bc64) at ../../kwin/main.cpp:526
#34 0x080485cb in main (argc=1, argv=0xbfc2bc64) at kwin_dummy.cpp:3

This bug may be a duplicate of or related to bug 221868.

Possible duplicates by query: bug 221950.

Reported using DrKonqi