We're up to 9736 now, and I have the impression that other people are at least able to start digging into the notation editor's problems. It still crashes here.

1. Create one bar segment
2. Open segment in notation editor
3. Long pause, some draw action, and then kaboom

QWidgetPrivate::endSharedPainter: Attempting to end a null painter [generic] EditView::paintEvent()

QPaintEngine::setSystemClip: Should not be changed while engine is active QPaintEngine::setSystemClip: Should not be changed while engine is active QWidgetPrivate::beginSharedPainter: Painter is already active QWidget::repaint: Recursive repaint detected [generic] EditView::paintEvent()

Segmentation fault (core dumped)

#0 0xb74d085c in QPainter::worldMatrixEnabled () from /usr/lib/libQtGui.so.4

#1 0xb742c654 in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4

#2 0xb742bb56 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4

#3 0xb759144d in ?? () from /usr/lib/libQtGui.so.4

#4 0xb75917f7 in ?? () from /usr/lib/libQtGui.so.4

#5 0xb7431a2f in QWidget::event () from /usr/lib/libQtGui.so.4

#6 0xb7789a55 in QMainWindow::event () from /usr/lib/libQtGui.so.4

#7 0xb73d9f9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4

#8 0xb73dece8 in QApplication::notify () from /usr/lib/libQtGui.so.4

#9 0xb70590b9 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4

#10 0xb745cb81 in QWidgetPrivate::dirtyWidget_sys () from /usr/lib/libQtGui.so.4

#11 0xb758f8e0 in ?? () from /usr/lib/libQtGui.so.4

#12 0xb7590f99 in QWidget::repaint () from /usr/lib/libQtGui.so.4

#13 0xb74277e8 in QWidget::repaint () from /usr/lib/libQtGui.so.4

#14 0xb77d846c in QStatusBar::hideOrShow () from /usr/lib/libQtGui.so.4

#15 0xb77d88ec in QStatusBar::clearMessage () from /usr/lib/libQtGui.so.4

#16 0xb79c555b in QStatusBar::qt_metacall () from /usr/lib/libQtGui.so.4

#17 0xb706df79 in QMetaObject::activate () from /usr/lib/libQtCore.so.4

#18 0xb706e642 in QMetaObject::activate () from /usr/lib/libQtCore.so.4

#19 0xb70ab817 in QTimer::timeout () from /usr/lib/libQtCore.so.4

#20 0xb70750fe in QTimer::timerEvent () from /usr/lib/libQtCore.so.4

#21 0xb70689fa in QObject::event () from /usr/lib/libQtCore.so.4

#22 0xb73d9f9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4

#23 0xb73debf9 in QApplication::notify () from /usr/lib/libQtGui.so.4

#24 0xb70590b9 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4

#25 0xb7086c01 in ?? () from /usr/lib/libQtCore.so.4

#26 0xb70844a0 in ?? () from /usr/lib/libQtCore.so.4

#27 0xb6815cc6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0

#28 0xb6819083 in ?? () from /usr/lib/libglib-2.0.so.0

#29 0xb681963e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0

#30 0xb70849f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4

#31 0xb746da25 in ?? () from /usr/lib/libQtGui.so.4

#32 0xb705833d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4

#33 0xb70584cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4

#34 0xb705a74d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4

#35 0xb73d9897 in QApplication::exec () from /usr/lib/libQtGui.so.4

#36 0x082b8cc2 in main (argc=1, argv=0xbf8716d4) at src/gui/application/main.cpp:725