Version:            (using KDE 4.1.3)
OS:                Linux
Installed from:    Ubuntu Packages

While moving a windows from two different descktops a fatal error report appeared (signal 6).
Compiz Fusion installed, Desktop walls enabled with Edges Flipping.

Application: Plasma Workspace (plasma), signal SIGABRT
0x00007f0b2c532621 in nanosleep () from /lib/libc.so.6
[Current thread is 0 (LWP 5406)]

Thread 3 (Thread 0x420ad950 (LWP 5407)):
#0  0x00007f0b25bb02d9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f0b2b2a5349 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f0b2693429c in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f0b2b2a4362 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f0b25bac3ea in start_thread () from /lib/libpthread.so.0
#5  0x00007f0b2c570c6d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x428ae950 (LWP 5408)):
#0  0x00007f0b25bb02d9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f0b2b2a5349 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f0b1a47d890 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#3  0x00007f0b2b2a4362 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f0b25bac3ea in start_thread () from /lib/libpthread.so.0
#5  0x00007f0b2c570c6d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0b21b61730 (LWP 5406)):
[KCrash Handler]
#5  0x00007f0b2c4bcfd5 in raise () from /lib/libc.so.6
#6  0x00007f0b2c4beb43 in abort () from /lib/libc.so.6
#7  0x00007f0b2b29c6b5 in qt_message_output () from /usr/lib/libQtCore.so.4
#8  0x00007f0b2b29c7fd in qFatal () from /usr/lib/libQtCore.so.4
#9  0x00007f0b1b0dbd2a in ?? () from /usr/lib/kde4/plasma_applet_pager.so
#10 0x00007f0b2c16b3b9 in Plasma::Applet::paint () from /usr/lib/libplasma.so.2
#11 0x00007f0b2a660175 in ?? () from /usr/lib/libQtGui.so.4
#12 0x00007f0b2a663998 in ?? () from /usr/lib/libQtGui.so.4
#13 0x00007f0b2a663dfa in QGraphicsScene::drawItems () from /usr/lib/libQtGui.so.4
#14 0x00007f0b2a681feb in QGraphicsView::paintEvent () from /usr/lib/libQtGui.so.4
#15 0x00007f0b2a17f114 in QWidget::event () from /usr/lib/libQtGui.so.4
#16 0x00007f0b2a67c9cb in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#17 0x00007f0b2b38c038 in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#18 0x00007f0b2a12cc0c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#19 0x00007f0b2a1349ba in QApplication::notify () from /usr/lib/libQtGui.so.4
#20 0x00007f0b2bcea13b in KApplication::notify () from /usr/lib/libkdeui.so.5
#21 0x00007f0b2b38cd61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#22 0x00007f0b2a17db4f in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#23 0x00007f0b2a17e232 in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#24 0x00007f0b2a17d808 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#25 0x00007f0b2a2d7664 in ?? () from /usr/lib/libQtGui.so.4
#26 0x00007f0b2a2d7b17 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f0b2a17ef35 in QWidget::event () from /usr/lib/libQtGui.so.4
#28 0x00007f0b2a506c99 in QAbstractScrollArea::event () from /usr/lib/libQtGui.so.4
#29 0x00007f0b2a12cc3d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#30 0x00007f0b2a1349ba in QApplication::notify () from /usr/lib/libQtGui.so.4
#31 0x00007f0b2bcea13b in KApplication::notify () from /usr/lib/libkdeui.so.5
#32 0x00007f0b2b38cd61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#33 0x00007f0b2b38d9fa in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0x00007f0b2b3b54d3 in ?? () from /usr/lib/libQtCore.so.4
#35 0x00007f0b25dfad3b in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0x00007f0b25dfe50d in ?? () from /usr/lib/libglib-2.0.so.0
#37 0x00007f0b25dfe6cb in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0x00007f0b2b3b515f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0x00007f0b2a1bea6f in ?? () from /usr/lib/libQtGui.so.4
#40 0x00007f0b2b38b682 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0x00007f0b2b38b80d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0x00007f0b2b38dcbd in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0x00007f0b2c817fe3 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#44 0x00007f0b2c4a8466 in __libc_start_main () from /lib/libc.so.6
#45 0x0000000000400659 in _start ()