Application: kdenlive (0.9.10)
KDE Platform Version: 4.13.3
Qt Version: 4.8.6
Operating System: Linux 3.19.0-33-generic x86_64
Distribution: Ubuntu 14.04.3 LTS

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

-- 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 0x7fa507bd27c0 (LWP 7949))]

Thread 12 (Thread 0x7fa4dd542700 (LWP 7951)):
#0  0x00007fa4ff75561d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa4ff755979 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa4ff7131f8 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4ff713f91 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4ff7140ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa5048d27be in QEventDispatcherGlib::processEvents (this=0x7fa4d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007fa5048a40af in QEventLoop::processEvents (this=this@entry=0x7fa4dd541de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fa5048a43a5 in QEventLoop::exec (this=this@entry=0x7fa4dd541de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fa5047a0c5f in QThread::exec (this=this@entry=0x450ce40) at thread/qthread.cpp:537
#9  0x00007fa504885823 in QInotifyFileSystemWatcherEngine::run (this=0x450ce40) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fa5047a332f in QThreadPrivate::start (arg=0x450ce40) at thread/qthread_unix.cpp:349
#11 0x00007fa5040c0182 in start_thread (arg=0x7fa4dd542700) at pthread_create.c:312
#12 0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7fa4d0a74700 (LWP 7957)):
#0  0x00007fa50265a12d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa4ff713fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa4ff7140ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa5048d27be in QEventDispatcherGlib::processEvents (this=0x7fa4bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fa5048a40af in QEventLoop::processEvents (this=this@entry=0x7fa4d0a73de0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa5048a43a5 in QEventLoop::exec (this=this@entry=0x7fa4d0a73de0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fa5047a0c5f in QThread::exec (this=this@entry=0x17f8750) at thread/qthread.cpp:537
#7  0x00007fa504885823 in QInotifyFileSystemWatcherEngine::run (this=0x17f8750) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fa5047a332f in QThreadPrivate::start (arg=0x17f8750) at thread/qthread_unix.cpp:349
#9  0x00007fa5040c0182 in start_thread (arg=0x7fa4d0a74700) at pthread_create.c:312
#10 0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7fa4d64d8700 (LWP 8111)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4ef24331d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4d64d8700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fa4d5bba700 (LWP 8112)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4ef24331d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4d5bba700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fa4d53b9700 (LWP 8113)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4ef24331d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4d53b9700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fa4d4bb8700 (LWP 8114)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4ef24331d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4d4bb8700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fa4d43b7700 (LWP 8115)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4ef24331d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4d43b7700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fa4c2fb3700 (LWP 8236)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4f19821c2 in ?? () from /usr/lib/mlt/libmltsdl.so
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4c2fb3700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fa4c17b0700 (LWP 8237)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa504515e13 in ?? () from /usr/lib/libmlt.so.6
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4c17b0700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fa4c27b2700 (LWP 8238)):
#0  0x00007fa50265a1ef in __GI_ppoll (fds=0x7fa494003460, nfds=2, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:56
#1  0x00007fa4fd4dd8d7 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fa4fd4ddece in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fa4f171da8b in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#4  0x00007fa4f16f18f0 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#5  0x00007fa4f16f9ad8 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#6  0x00007fa4f1739109 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#7  0x00007fa5040c0182 in start_thread (arg=0x7fa4c27b2700) at pthread_create.c:312
#8  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fa4d7fff700 (LWP 8239)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa4f1981acb in ?? () from /usr/lib/mlt/libmltsdl.so
#2  0x00007fa5040c0182 in start_thread (arg=0x7fa4d7fff700) at pthread_create.c:312
#3  0x00007fa50266747d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fa507bd27c0 (LWP 7949)):
[KCrash Handler]
#6  _int_free (av=0x7fa480000020, p=0x7fa48002fd00, have_lock=0) at malloc.c:3966
#7  0x00007fa5045092a6 in mlt_properties_close () from /usr/lib/libmlt.so.6
#8  0x00007fa504502d2c in mlt_frame_close () from /usr/lib/libmlt.so.6
#9  0x00007fa5045073d9 in mlt_property_close () from /usr/lib/libmlt.so.6
#10 0x00007fa504509291 in mlt_properties_close () from /usr/lib/libmlt.so.6
#11 0x00007fa504502d2c in mlt_frame_close () from /usr/lib/libmlt.so.6
#12 0x00007fa50451639e in mlt_consumer_purge () from /usr/lib/libmlt.so.6
#13 0x00007fa5042e7843 in Mlt::Consumer::purge() () from /usr/lib/libmlt++.so.3
#14 0x0000000000729451 in Render::seek (this=0x370dad0, time=0) at /build/buildd/kdenlive-0.9.10/src/renderer.cpp:433
#15 0x000000000053c823 in CustomTrackView::seekCursorPos (this=this@entry=0x456bbc0, pos=0) at /build/buildd/kdenlive-0.9.10/src/timeline/customtrackview.cpp:3553
#16 0x0000000000544ef5 in CustomTrackView::clipStart (this=0x456bbc0) at /build/buildd/kdenlive-0.9.10/src/timeline/customtrackview.cpp:5399
#17 0x0000000000719aba in MainWindow::qt_static_metacall (_o=0x18c6c60, _id=1, _a=0xffffffe1ffffffe0, _c=<optimized out>) at /build/buildd/kdenlive-0.9.10/build/src/mainwindow.moc:450
#18 0x00007fa5048b987a in QMetaObject::activate (sender=sender@entry=0x42d1990, m=m@entry=0x7fa505d40de0 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffe1528a3d0) at kernel/qobject.cpp:3539
#19 0x00007fa505290a62 in QAction::triggered (this=this@entry=0x42d1990, _t1=false) at .moc/release-shared/moc_qaction.cpp:276
#20 0x00007fa505292433 in QAction::activate (this=0x42d1990, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1257
#21 0x00007fa50529258c in QAction::event (this=<optimized out>, e=e@entry=0x7ffe1528a770) at kernel/qaction.cpp:1183
#22 0x00007fa5074f5e9f in KAction::event (this=<optimized out>, event=0x7ffe1528a770) at ../../kdeui/actions/kaction.cpp:131
#23 0x00007fa505296e2c in QApplicationPrivate::notify_helper (this=this@entry=0x172fab0, receiver=receiver@entry=0x42d1990, e=e@entry=0x7ffe1528a770) at kernel/qapplication.cpp:4567
#24 0x00007fa50529d4a0 in QApplication::notify (this=this@entry=0x7ffe1528b510, receiver=receiver@entry=0x42d1990, e=e@entry=0x7ffe1528a770) at kernel/qapplication.cpp:4353
#25 0x00007fa5075cbd1a in KApplication::notify (this=0x7ffe1528b510, receiver=0x42d1990, event=0x7ffe1528a770) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007fa5048a54dd in QCoreApplication::notifyInternal (this=0x7ffe1528b510, receiver=0x42d1990, event=event@entry=0x7ffe1528a770) at kernel/qcoreapplication.cpp:953
#27 0x00007fa5052c82a6 in sendEvent (event=0x7ffe1528a770, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 QShortcutMap::dispatchEvent (this=this@entry=0x172fbd8, e=e@entry=0x7ffe1528aab0) at kernel/qshortcutmap.cpp:887
#29 0x00007fa5052c83dc in QShortcutMap::tryShortcutEvent (this=0x172fbd8, o=o@entry=0x456bbc0, e=e@entry=0x7ffe1528aab0) at kernel/qshortcutmap.cpp:367
#30 0x00007fa50529e773 in QApplication::notify (this=this@entry=0x7ffe1528b510, receiver=receiver@entry=0x456bbc0, e=e@entry=0x7ffe1528aab0) at kernel/qapplication.cpp:3991
#31 0x00007fa5075cbd1a in KApplication::notify (this=0x7ffe1528b510, receiver=0x456bbc0, event=0x7ffe1528aab0) at ../../kdeui/kernel/kapplication.cpp:311
#32 0x00007fa5048a54dd in QCoreApplication::notifyInternal (this=0x7ffe1528b510, receiver=receiver@entry=0x456bbc0, event=event@entry=0x7ffe1528aab0) at kernel/qcoreapplication.cpp:953
#33 0x00007fa505295556 in sendSpontaneousEvent (event=event@entry=0x7ffe1528aab0, receiver=receiver@entry=0x456bbc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#34 qt_sendSpontaneousEvent (receiver=receiver@entry=0x456bbc0, event=event@entry=0x7ffe1528aab0) at kernel/qapplication.cpp:5565
#35 0x00007fa505336027 in QKeyMapper::sendKeyEvent (keyWidget=keyWidget@entry=0x456bbc0, grab=grab@entry=false, type=QEvent::KeyPress, code=16777232, modifiers=..., text=..., autorepeat=autorepeat@entry=false, count=1, nativeScanCode=110, nativeVirtualKey=65360, nativeModifiers=16) at kernel/qkeymapper_x11.cpp:1866
#36 0x00007fa5053363c9 in QKeyMapperPrivate::translateKeyEvent (this=0x177fe10, keyWidget=keyWidget@entry=0x456bbc0, event=event@entry=0x7ffe1528b040, grab=grab@entry=false) at kernel/qkeymapper_x11.cpp:1836
#37 0x00007fa505310417 in QApplication::x11ProcessEvent (this=0x7ffe1528b510, event=event@entry=0x7ffe1528b040) at kernel/qapplication_x11.cpp:3642
#38 0x00007fa505338b32 in x11EventSourceDispatch (s=0x172e800, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#39 0x00007fa4ff713e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fa4ff714048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fa4ff7140ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fa5048d27a1 in QEventDispatcherGlib::processEvents (this=0x172b440, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#43 0x00007fa505338be6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#44 0x00007fa5048a40af in QEventLoop::processEvents (this=this@entry=0x7ffe1528b410, flags=...) at kernel/qeventloop.cpp:149
#45 0x00007fa5048a43a5 in QEventLoop::exec (this=this@entry=0x7ffe1528b410, flags=...) at kernel/qeventloop.cpp:204
#46 0x00007fa5048a9b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#47 0x00007fa50529537c in QApplication::exec () at kernel/qapplication.cpp:3828
#48 0x0000000000456b79 in main (argc=<optimized out>, argv=0x7ffe1528b648) at /build/buildd/kdenlive-0.9.10/src/main.cpp:92

Report to http://kdenlive.org/mantis

Reproducible: Didn't try