Version:           CVS (using KDE KDE 3.1.1)
Installed from:    Gentoo Packages
Compiler:          gcc 3.2.2 
OS:          Linux

whenever I want to close a editor tab gideon crashes with the following backtrace:

#0  0x4587ff88 in waitpid () from /lib/libpthread.so.0
#1  0x409ffc4d in KCrash::defaultCrashHandler(int) ()
   from /usr/kde/3.1/lib/libkdecore.so.4
#2  0x4587edfa in __pthread_sighandler () from /lib/libpthread.so.0
#3  <signal handler called>
#4  0x0807cc3a in QPtrList<KParts::Part>::deleteItem(void*) ()
#5  0x40f9c0db in QGList::remove(void*) () from /usr/qt/3/lib/libqt-mt.so.3
#6  0x41a68a8c in HistoryPart::partRemoved(KParts::Part*) ()
   from /usr/lib/kde3/libkdevhistory.so
#7  0x41a68d84 in HistoryPart::qt_invoke(int, QUObject*) ()
   from /usr/lib/kde3/libkdevhistory.so
#8  0x40d31390 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#9  0x403fe283 in KParts::PartManager::partRemoved(KParts::Part*) ()
   from /usr/kde/3.1/lib/libkparts.so.2
#10 0x403fd2a8 in KParts::PartManager::removePart(KParts::Part*) ()
   from /usr/kde/3.1/lib/libkparts.so.2
#11 0x08079690 in Core::staticMetaObject() ()
#12 0x0807a8c7 in Core::staticMetaObject() ()
#13 0x0807c134 in PartController::staticMetaObject() ()
#14 0x40d31419 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#15 0x080ac948 in KTabWidget::staticMetaObject() ()
#16 0x080acc15 in KTabWidget::staticMetaObject() ()
#17 0x40d3144e in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#18 0x080ac1a8 in KTabBar::staticMetaObject() ()
#19 0x080ac452 in KTabBar::staticMetaObject() ()
#20 0x40d31419 in QObject::activate_signal(QConnectionList*, QUObject*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#21 0x41011cc2 in QSignal::signal(QVariant const&) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#22 0x40d4b708 in QSignal::activate() () from /usr/qt/3/lib/libqt-mt.so.3
#23 0x40e1ec8d in QPopupMenu::mouseReleaseEvent(QMouseEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#24 0x40d656ac in QWidget::event(QEvent*) () from /usr/qt/3/lib/libqt-mt.so.3
#25 0x40cd3544 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#26 0x40cd2b23 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#27 0x40984979 in KApplication::notify(QObject*, QEvent*) ()
   from /usr/kde/3.1/lib/libkdecore.so.4
#28 0x40c7895d in QETWidget::translateMouseEvent(_XEvent const*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#29 0x40c76633 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#30 0x40c8bbd1 in QEventLoop::processEvents(unsigned) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#31 0x40ce7386 in QEventLoop::enterLoop() () from /usr/qt/3/lib/libqt-mt.so.3
#32 0x40cd37d1 in QApplication::enter_loop() ()
   from /usr/qt/3/lib/libqt-mt.so.3
#33 0x40e21816 in QPopupMenu::exec(QPoint const&, int) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#34 0x080abea5 in QPtrList<QLayoutItem>::deleteItem(void*) ()
#35 0x40d6569b in QWidget::event(QEvent*) () from /usr/qt/3/lib/libqt-mt.so.3
#36 0x40e3f245 in QTabBar::event(QEvent*) () from /usr/qt/3/lib/libqt-mt.so.3
#37 0x40cd3544 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#38 0x40cd2b23 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#39 0x40984979 in KApplication::notify(QObject*, QEvent*) ()
   from /usr/kde/3.1/lib/libkdecore.so.4
#40 0x40c78d78 in QETWidget::translateMouseEvent(_XEvent const*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#41 0x40c76633 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#42 0x40c8bbd1 in QEventLoop::processEvents(unsigned) ()
   from /usr/qt/3/lib/libqt-mt.so.3
#43 0x40ce7386 in QEventLoop::enterLoop() () from /usr/qt/3/lib/libqt-mt.so.3
#44 0x40ce7228 in QEventLoop::exec() () from /usr/qt/3/lib/libqt-mt.so.3
#45 0x40cd3771 in QApplication::exec() () from /usr/qt/3/lib/libqt-mt.so.3
#46 0x0806bb78 in QGListIterator::~QGListIterator() ()
#47 0x45642746 in __libc_start_main () from /lib/libc.so.6