Application: kdenlive (0.9.2)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.2
Operating System: Linux 3.2.0-3-amd64 x86_64
Distribution: Debian GNU/Linux testing (wheezy)

-- Information about the crash:
I was closing Diporama clip dialog box. Often, kdenlive crahshes when closing dialog or contextual menu or properties box (see bug 0002793 : same context).

The crash can be reproduced some of the time.

-- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8a0abb67a0 (LWP 5614))]

Thread 6 (Thread 0x7f89c37fe700 (LWP 7274)):
[KCrash Handler]
#5  0x00007f89e1e9c100 in consumer_play_video (frame=0x397f430, this=0x1da1680) at consumer_sdl_still.c:520
#6  consumer_thread (arg=<optimized out>) at consumer_sdl_still.c:579
#7  0x00007f8a05e30754 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#8  0x00007f8a06c6db50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f8a0432b70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f89c3fff700 (LWP 7275)):
#0  0x00007f8a06c722d4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f89e1e9b401 in consumer_thread (arg=0x1cf8ce0) at consumer_sdl_preview.c:454
#2  0x00007f8a05e30754 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#3  0x00007f8a06c6db50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f8a0432b70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f89c94ab700 (LWP 7284)):
#0  0x00007f8a04320ac3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8a01c3b624 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a01c3b744 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a0767a296 in QEventDispatcherGlib::processEvents (this=0x39d3ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f8a0764a8af in QEventLoop::processEvents (this=this@entry=0x7f89c94aad10, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f8a0764ab38 in QEventLoop::exec (this=0x7f89c94aad10, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f8a0754dd70 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f8a0762b1bf in QInotifyFileSystemWatcherEngine::run (this=0x4a8aba0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f8a07550d0b in QThreadPrivate::start (arg=0x4a8aba0) at thread/qthread_unix.cpp:307
#9  0x00007f8a05e30754 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#10 0x00007f8a06c6db50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f8a0432b70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f89cb4af700 (LWP 7292)):
#0  0x00007f8a06c7264b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f8a072c04eb in mlt_consumer_get_frame (self=0x1cd8e90) at mlt_consumer.c:572
#2  0x00007f8a072c0dbe in mlt_consumer_rt_frame (self=self@entry=0x1cd8e90) at mlt_consumer.c:1378
#3  0x00007f89e1e9bbf0 in consumer_thread (arg=<optimized out>) at consumer_sdl_still.c:572
#4  0x00007f8a05e30754 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#5  0x00007f8a06c6db50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f8a0432b70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f89cacae700 (LWP 7293)):
#0  0x00007f8a06c722d4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f89e1e9b401 in consumer_thread (arg=0x1c1c8a0) at consumer_sdl_preview.c:454
#2  0x00007f8a05e30754 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#3  0x00007f8a06c6db50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f8a0432b70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8a0abb67a0 (LWP 5614)):
#0  0x00007f8a0431f73d in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f8a05e2f73c in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#2  0x00007f8a00f0abe7 in ?? () from /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.304.48
#3  0x00007f8a01c7677f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a01c3b1a9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8a01c3b5c2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8a01c3b744 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f8a0767a276 in QEventDispatcherGlib::processEvents (this=0x1037ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f8a080e183e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#9  0x00007f8a0764a8af in QEventLoop::processEvents (this=this@entry=0x7fff5df70450, flags=...) at kernel/qeventloop.cpp:149
#10 0x00007f8a0764ab38 in QEventLoop::exec (this=0x7fff5df70450, flags=...) at kernel/qeventloop.cpp:204
#11 0x00007f8a084f4378 in QDialog::exec (this=0x154a0080) at dialogs/qdialog.cpp:554
#12 0x00000000006776ed in ProjectList::slotAddSlideshowClip (this=0x155b8b0) at /tmp/buildd/kdenlive-dmo-0.9.2/src/projectlist.cpp:1841
#13 0x0000000000684f2a in ProjectList::qt_static_metacall (_o=0x155b8b0, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /tmp/buildd/kdenlive-dmo-0.9.2/build/src/projectlist.moc:471
#14 0x00007f8a0766154f in QMetaObject::activate (sender=0x1b4c580, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff5df70820) at kernel/qobject.cpp:3547
#15 0x00007f8a0803a502 in QAction::triggered (this=this@entry=0x1b4c580, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#16 0x00007f8a0803a6f0 in QAction::activate (this=0x1b4c580, event=<optimized out>) at kernel/qaction.cpp:1257
#17 0x00007f8a08474433 in QMenuPrivate::activateCausedStack (this=this@entry=0x2399b40, causedStack=..., action=action@entry=0x1b4c580, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1028
#18 0x00007f8a0847a749 in QMenuPrivate::activateAction (this=0x2399b40, action=0x1b4c580, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1120
#19 0x00007f8a0a672360 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#20 0x00007f8a0808fe10 in QWidget::event (this=0x23114a0, event=0x7fff5df713c0) at kernel/qwidget.cpp:8371
#21 0x00007f8a0847b9fb in QMenu::event (this=0x23114a0, e=0x7fff5df713c0) at widgets/qmenu.cpp:2469
#22 0x00007f8a0804070c in QApplicationPrivate::notify_helper (this=this@entry=0x10a2310, receiver=receiver@entry=0x23114a0, e=e@entry=0x7fff5df713c0) at kernel/qapplication.cpp:4556
#23 0x00007f8a080453eb in QApplication::notify (this=<optimized out>, receiver=0x23114a0, e=0x7fff5df713c0) at kernel/qapplication.cpp:4099
#24 0x00007f8a0a5b98a6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#25 0x00007f8a0764bb5e in QCoreApplication::notifyInternal (this=0x7fff5df720a0, receiver=0x23114a0, event=0x7fff5df713c0) at kernel/qcoreapplication.cpp:915
#26 0x00007f8a0804154b in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#27 QApplicationPrivate::sendMouseEvent (receiver=0x23114a0, event=0x7fff5df713c0, alienWidget=0x0, nativeWidget=0x23114a0, buttonDown=0x7f8a08b162a8, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#28 0x00007f8a080bbe8c in QETWidget::translateMouseEvent (this=this@entry=0x23114a0, event=event@entry=0x7fff5df71b30) at kernel/qapplication_x11.cpp:4457
#29 0x00007f8a080bad51 in QApplication::x11ProcessEvent (this=0x7fff5df720a0, event=0x7fff5df71b30) at kernel/qapplication_x11.cpp:3646
#30 0x00007f8a080e1bc2 in x11EventSourceDispatch (s=0x10a3900, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007f8a01c3b355 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f8a01c3b688 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f8a01c3b744 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f8a0767a276 in QEventDispatcherGlib::processEvents (this=0x1037ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00007f8a080e183e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007f8a0764a8af in QEventLoop::processEvents (this=this@entry=0x7fff5df71f00, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007f8a0764ab38 in QEventLoop::exec (this=0x7fff5df71f00, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007f8a0764fcf8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#39 0x00000000004580a4 in main (argc=1, argv=0x7fff5df721d8) at /tmp/buildd/kdenlive-dmo-0.9.2/src/main.cpp:89

Report to http://kdenlive.org/mantis