Application: kdenlive (0.7.6)
KDE Platform Version: 4.4.00 (KDE 4.4.0)
Qt Version: 4.6.2
Operating System: Linux 2.6.30.10-105.2.23.fc11.x86_64 x86_64
Distribution: "Fedora release 11 (Leonidas)"

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

The crash can be reproduced every time.

 -- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f39f80dc820 (LWP 5152))]

Thread 3 (Thread 0x7f39eb4b3910 (LWP 5157)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:220
#1  0x00007f39f8334d7a in mlt_consumer_get_frame (this=0x1919c50) at mlt_consumer.c:502
#2  0x00007f39f8334edd in mlt_consumer_rt_frame (this=0x1919d6c) at mlt_consumer.c:900
#3  0x00007f39eb88457c in consumer_thread (arg=<value optimized out>) at consumer_sdl_still.c:558
#4  0x000000362880685a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x0000003627cde22d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f39eaab2910 (LWP 5158)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f39eb883ecf in consumer_thread (arg=<value optimized out>) at consumer_sdl_preview.c:386
#2  0x000000362880685a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#3  0x0000003627cde22d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f39f80dc820 (LWP 5152)):
[KCrash Handler]
#5  0x00000000004f5fe5 in CustomTrackView::cutClip (this=0x1ae0570, info=<value optimized out>, cutTime=<value optimized out>, cut=<value optimized out>)
    at /usr/src/debug/kdenlive-0.7.6/src/customtrackview.cpp:1688
#6  0x000000000051eaa2 in RazorClipCommand::redo (this=<value optimized out>) at /usr/src/debug/kdenlive-0.7.6/src/razorclipcommand.cpp:45
#7  0x00000031bbe24e63 in QUndoStack::push (this=0x1ac9410, cmd=0x3fe00000) at util/qundostack.cpp:541
#8  0x00000000004f451b in CustomTrackView::mousePressEvent (this=0x1ae0570, event=0x7fffc308bdc0) at /usr/src/debug/kdenlive-0.7.6/src/customtrackview.cpp:875
#9  0x00000031bb801ab1 in QWidget::event (this=0x1ae0570, event=0x7fffc308bdc0) at kernel/qwidget.cpp:7994
#10 0x00000031bbba3a06 in QFrame::event (this=0x1ae0570, e=0x7fffc308bdc0) at widgets/qframe.cpp:557
#11 0x00000031bbde19eb in QGraphicsView::viewportEvent (this=0x1ae0570, event=0x7fffc308bdc0) at graphicsview/qgraphicsview.cpp:2787
#12 0x00000031b9765e87 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1af7350, event=0x7fffc308bdc0) at kernel/qcoreapplication.cpp:819
#13 0x00000031bb7abb0c in QApplicationPrivate::notify_helper (this=0x1316130, receiver=0x1af7350, e=0x7fffc308bdc0) at kernel/qapplication.cpp:4296
#14 0x00000031bb7b283d in QApplication::notify (this=0x7fffc308cac0, receiver=0x1af7350, e=0x7fffc308bdc0) at kernel/qapplication.cpp:3865
#15 0x00000031bc61f5e6 in KApplication::notify (this=0x7fffc308cac0, receiver=0x1af7350, event=0x7fffc308bdc0) at /usr/src/debug/kdelibs-4.4.0/kdeui/kernel/kapplication.cpp:302
#16 0x00000031b9766a6c in QCoreApplication::notifyInternal (this=0x7fffc308cac0, receiver=0x1af7350, event=0x7fffc308bdc0) at kernel/qcoreapplication.cpp:704
#17 0x00000031bb7b1a46 in QCoreApplication::sendEvent (event=<value optimized out>, receiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#18 QApplicationPrivate::sendMouseEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qapplication.cpp:2965
#19 0x00000031bb830ce5 in QETWidget::translateMouseEvent (this=0x1ae0570, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#20 0x00000031bb82fa08 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffc308c6e0) at kernel/qapplication_x11.cpp:3501
#21 0x00000031bb859de2 in x11EventSourceDispatch (s=0x1319e90, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#22 0x000000362983790e in g_main_dispatch (context=<value optimized out>) at gmain.c:1824
#23 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2377
#24 0x000000362983b0e8 in g_main_context_iterate (context=0x1318d20, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2455
#25 0x000000362983b20a in IA__g_main_context_iteration (context=0x1318d20, may_block=1) at gmain.c:2518
#26 0x00000031b978fd63 in QEventDispatcherGlib::processEvents (this=0x12fd7e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#27 0x00000031bb8599ce in QGuiEventDispatcherGlib::processEvents (this=0x3fe00000, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00000031b97653a2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 36}) at kernel/qeventloop.cpp:149
#29 0x00000031b976577c in QEventLoop::exec (this=0x7fffc308ca10, flags={i = 0}) at kernel/qeventloop.cpp:201
#30 0x00000031b9767b99 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#31 0x0000000000440b45 in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdenlive-0.7.6/src/main.cpp:86

Report to http://kdenlive.org/mantis