Trying to paste an audio piece after cut (was still visible in timeline).
Reason: Thing was unmovable?!!

(gdb) bt
#0  0xb7f96410 in __kernel_vsyscall ()
#1  0xb697e056 in ?? () from /lib/libc.so.6
#2  0xb697df3f in sleep () from /lib/libc.so.6
#3  0xb6dec823 in KCrash::startDrKonqi () from /usr/lib/libkdecore.so.4
#4  0xb6dece53 in KCrash::defaultCrashHandler () from /usr/lib/libkdecore.so.4
#5  <signal handler called>
#6  0xb7f96410 in __kernel_vsyscall ()
#7  0xb6931f01 in raise () from /lib/libc.so.6
#8  0xb69330f2 in abort () from /lib/libc.so.6
---Type <return> to continue, or q <return> to quit---
#9  0xb6adfd04 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/libstdc++.so.6
#10 0xb6add6a5 in __cxxabiv1::__terminate () from /usr/lib/libstdc++.so.6
#11 0xb6add6e2 in std::terminate () from /usr/lib/libstdc++.so.6
#12 0xb6adddc6 in __cxa_pure_virtual () from /usr/lib/libstdc++.so.6
#13 0x08127129 in EffectStack::selectedItemIndex (this=0x8cd30f4) at /data/dv/kdenlive/kdenlive/effectstack.cpp:72
#14 0x081312a3 in Gui::EffectStackListView::updateEffectStack (this=0x8901d80) at /data/dv/kdenlive/kdenlive/effectstacklistview.cpp:64
#15 0x08127a0c in Gui::EffectStackDialog::slotSetEffectStack (this=0x88eff50, clip=0x8cd30a8) at /data/dv/kdenlive/kdenlive/effectstackdialog.cpp:967
#16 0x0822e2f4 in Gui::EffectStackDialog::qt_invoke (this=0x88eff50, _id=46, _o=0xbfa8f814) at /data/dv/kdenlive/kdenlive/effectstackdialog.moc.cpp:165
#17 0xb79806d6 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
---Type <return> to continue, or q <return> to quit---
#18 0x082324d2 in KdenliveDoc::signalClipSelected (this=0x85ccdc8, t0=0x8cd30a8) at /data/dv/kdenlive/kdenlive/kdenlivedoc.moc.cpp:357
#19 0x08233571 in KdenliveDoc::qt_emit (this=0x85ccdc8, _id=11, _o=0xbfa8f944) at /data/dv/kdenlive/kdenlive/kdenlivedoc.moc.cpp:468
#20 0xb7980718 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#21 0x082298d2 in DocClipProject::signalClipSelected (this=0x8957d58, t0=0x8cd30a8) at /data/dv/kdenlive/kdenlive/docclipproject.moc.cpp:164
#22 0x0822a2cb in DocClipProject::qt_emit (this=0x8957d58, _id=4, _o=0xbfa8fa64) at /data/dv/kdenlive/kdenlive/docclipproject.moc.cpp:250
#23 0xb7980718 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#24 0x0822c9d2 in DocTrackBase::signalClipSelected (this=0x85a0a78, t0=0x8cd30a8) at /data/dv/kdenlive/kdenlive/doctrackbase.moc.cpp:140
#25 0x081123ef in DocTrackBase::selectClip (this=0x85a0a78, clip=0x8cd30a8, selected=true) at /data/dv/kdenlive/kdenlive/doctrackbase.cpp:650
#26 0x081c57a9 in Command::KSelectClipCommand::execute (this=0x8e4ad70) at /data/dv/kdenlive/kdenlive/kselectclipcommand.cpp:45
---Type <return> to continue, or q <return> to quit---
#27 0xb717007b in KMacroCommand::execute () from /usr/lib/libkdeui.so.4
#28 0xb71715d1 in KCommandHistory::addCommand () from /usr/lib/libkdeui.so.4
#29 0x082019ce in TrackPanelClipMoveFunction::mousePressed (this=0x86dde38, panel=0x85f7cf0, event=0xbfa900a4)
    at /data/dv/kdenlive/kdenlive/trackpanelclipmovefunction.cpp:106
#30 0x081d0c58 in Gui::KTrackView::mousePressEvent (this=0x84d0f28, event=0xbfa900a4) at /data/dv/kdenlive/kdenlive/ktrackview.cpp:436
#31 0xb79c37f4 in QWidget::event () from /usr/lib/libqt-mt.so.3
#32 0xb790e4a7 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#33 0xb790f47b in QApplication::notify () from /usr/lib/libqt-mt.so.3
#34 0xb6d40c0f in KApplication::notify () from /usr/lib/libkdecore.so.4
---Type <return> to continue, or q <return> to quit---
#35 0xb789521a in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3
#36 0xb78938bc in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#37 0xb78a6f2b in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#38 0xb7928fd3 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#39 0xb7928eb6 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#40 0xb790de5f in QApplication::exec () from /usr/lib/libqt-mt.so.3
#41 0x081dc07e in main (argc=Cannot access memory at address 0x5222
) at /data/dv/kdenlive/kdenlive/main.cpp:107

(gdb) up
#13 0x08127129 in EffectStack::selectedItemIndex (this=0x8cd30f4) at /data/dv/kdenlive/kdenlive/effectstack.cpp:72
72	    if (index + 1> count ()) return count() -1;
(gdb) print index
$2 = 0
(gdb) print count()
Could not find virtual table pointer for class "QPtrList<Effect>".

