https://bugs.kde.org/show_bug.cgi?id=371467

            Bug ID: 371467
           Summary: Kdenlive crashing when .mkv file are imported
           Product: kdenlive
           Version: 16.08.2
          Platform: Neon Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: User Interface
          Assignee: j...@kdenlive.org
          Reporter: guillermocasanovaagui...@gmail.com

Kdenlive crashing sometimes when .mkv file are imported.

Reproducible: Sometimes

Steps to Reproduce:
1.Add Clip
2.Click in .mkv file to select...
3.Crash!



(gdb) run
Starting program: /usr/bin/kdenlive 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffde8ca700 (LWP 5505)]
[New Thread 0x7fffdd319700 (LWP 5506)]
[New Thread 0x7fffccb96700 (LWP 5507)]
[New Thread 0x7fffba752700 (LWP 5509)]
[New Thread 0x7fffb0591700 (LWP 5512)]
[New Thread 0x7fffaf590700 (LWP 5513)]
[New Thread 0x7fffaed8f700 (LWP 5514)]
[New Thread 0x7fffad376700 (LWP 5515)]
[Thread 0x7fffad376700 (LWP 5515) exited]
[New Thread 0x7fffad376700 (LWP 5516)]
[Thread 0x7fffad376700 (LWP 5516) exited]
[New Thread 0x7fffad376700 (LWP 5517)]
[New Thread 0x7fff9b72d700 (LWP 5518)]
[New Thread 0x7fff99ef7700 (LWP 5520)]
[New Thread 0x7fff996f6700 (LWP 5521)]
[New Thread 0x7fff98ce8700 (LWP 5522)]
[New Thread 0x7fff8bffd700 (LWP 5523)]
[New Thread 0x7fff8b7fc700 (LWP 5524)]
[New Thread 0x7fff8affb700 (LWP 5525)]
OpenGL vendor:  "X.Org"
OpenGL renderer:  "Gallium 0.4 on AMD PALM (DRM 2.43.0, LLVM 3.8.0)"
OpenGL Threaded:  false
OpenGL ARG_SYNC:  true
OpenGL OpenGLES:  false
[New Thread 0x7fff8a7fa700 (LWP 5526)]
[Thread 0x7fffad376700 (LWP 5517) exited]
[Thread 0x7fff8bffd700 (LWP 5523) exited]
[Thread 0x7fff8b7fc700 (LWP 5524) exited]
[Thread 0x7fff98ce8700 (LWP 5522) exited]
[Thread 0x7fff996f6700 (LWP 5521) exited]
[Thread 0x7fff99ef7700 (LWP 5520) exited]
[Thread 0x7fff9b72d700 (LWP 5518) exited]
QFile::setFileName: File
(/home/memo/.local/share/stalefiles/kdenlive/_untitled.kdenlivemjzfile_%2Fhome%2Fmemo%2FkdenliveSDhxkmjz)
is already opened
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11443, resource id:
77594912, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11476, resource id:
77594912, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11512, resource id:
77594912, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 11550, resource id:
77594912, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 12381, resource id:
77594912, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 12420, resource id:
77594912, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 12461, resource id:
77594912, major code: 130 (Unknown), minor code: 3
[Thread 0x7fff8affb700 (LWP 5525) exited]
[New Thread 0x7fff8affb700 (LWP 5527)]
[New Thread 0x7fff99ef7700 (LWP 5528)]
[Thread 0x7fff99ef7700 (LWP 5528) exited]
[Thread 0x7fff8affb700 (LWP 5527) exited]
[New Thread 0x7fff8affb700 (LWP 5529)]
[New Thread 0x7fff99ef7700 (LWP 5530)]
[New Thread 0x7fff9b72d700 (LWP 5531)]
[New Thread 0x7fff996f6700 (LWP 5532)]
[Thread 0x7fff8affb700 (LWP 5529) exited]
[Thread 0x7fff99ef7700 (LWP 5530) exited]
[New Thread 0x7fff99ef7700 (LWP 5533)]
[New Thread 0x7fff8affb700 (LWP 5534)]
[New Thread 0x7fff89b84700 (LWP 5535)]

Thread 28 "multiqueue2:src" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff89b84700 (LWP 5535)]
0x00007fff8916fa88 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so
(gdb) thread apply all backtrace

Thread 28 (Thread 0x7fff89b84700 (LWP 5535)):
#0  0x00007fff8916fa88 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so
#1  0x00007fff89152f38 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so
#2  0x00007fffe8cb3537 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007fffe8cb5425 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007fffe8cb612c in gst_plugin_load_by_name () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fffe8cb6a8d in gst_plugin_feature_load () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007fffe8c9146e in gst_element_factory_create () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007fff9b739398 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#8  0x00007fff9b745202 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#9  0x00007fff9b745ab2 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#10 0x00007fff9b745cff in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#11 0x00007fffe8f71fa5 in g_closure_invoke () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007fffe8f83fc1 in ?? () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007fffe8f8cd5c in g_signal_emit_valist () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007fffe8f8d08f in g_signal_emit () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#15 0x00007fffe8f764d4 in ?? () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007fffe8c64d44 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007fffe8f78a79 in g_object_notify_by_pspec () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007fffe8ca2fbc in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007fffe8cae710 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007fffe87fdcde in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#21 0x00007fffe87ff03d in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#22 0x00007fff9bdaf171 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#23 0x00007fffe8ca4317 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#24 0x00007fffe8ca474e in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007fffe8ca4b90 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007fffe8ca283f in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007fffe8cae864 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#28 0x00007fff89dd5f23 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#29 0x00007fff89dd7c4b in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#30 0x00007fffe87e0963 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#31 0x00007fff89dd4153 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#32 0x00007fffe8ca4317 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#33 0x00007fffe8ca474e in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007fffe8ca4b90 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#35 0x00007fffe8ca283f in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007fffe8cae864 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#37 0x00007fff9bdce54e in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#38 0x00007fffe8cd7e71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#39 0x00007fffeab8555e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fffeab84bc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fffeffa86fa in start_thread (arg=0x7fff89b84700) at
pthread_create.c:333
#42 0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7fff8affb700 (LWP 5534)):
#0  0x00007ffff16778dd in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeab86238 in g_usleep () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fff98ade7ea in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#3  0x00007fffeab84bc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fffeffa86fa in start_thread (arg=0x7fff8affb700) at
pthread_create.c:333
#5  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7fff99ef7700 (LWP 5533)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffea6cd201 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fffea6bea01 in pa_mainloop_poll () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fffea6bf0ae in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fffea6bf160 in pa_mainloop_run () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fffea6cd149 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fffe3a1f678 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#7  0x00007fffeffa86fa in start_thread (arg=0x7fff99ef7700) at
pthread_create.c:333
#8  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7fff996f6700 (LWP 5532)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeaba2c2f in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffe880aad2 in gst_data_queue_push () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3  0x00007fff9bdccab5 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#4  0x00007fffe8ca554f in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fffe8cad483 in gst_pad_push () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007fff8b220342 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmatroska.so
#7  0x00007fff8b227649 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmatroska.so
---Type <return> to continue, or q <return> to quit---
#8  0x00007fff8b2295e3 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmatroska.so
#9  0x00007fffe8cd7e71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007fffeab8555e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fffeab84bc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fffeffa86fa in start_thread (arg=0x7fff996f6700) at
pthread_create.c:333
#13 0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7fff9b72d700 (LWP 5531)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffeaba2c2f in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffe8cd800d in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007fffeab8555e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fffeab84bc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fffeffa86fa in start_thread (arg=0x7fff9b72d700) at
pthread_create.c:333
#6  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fff8a7fa700 (LWP 5526)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeab5e39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeab5e4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff22da30b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff2284d9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff20aa044 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff20aec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fffeffa86fa in start_thread (arg=0x7fff8a7fa700) at
pthread_create.c:333
#8  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fffaed8f700 (LWP 5514)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeab5e39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeab5e4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff22da2ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff2284d9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff20aa044 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff34aa685 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffff20aec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fffeffa86fa in start_thread (arg=0x7fffaed8f700) at
pthread_create.c:333
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fffaf590700 (LWP 5513)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff20afa16 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007ffff20ab2ca in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ffff20aec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fffeffa86fa in start_thread (arg=0x7fffaf590700) at
pthread_create.c:333
#5  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fffb0591700 (LWP 5512)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeab5e39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeab5e4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff22da2ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff2284d9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff20aa044 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff34aa685 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffff20aec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fffeffa86fa in start_thread (arg=0x7fffb0591700) at
pthread_create.c:333
#9  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fffba752700 (LWP 5509)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffc1e4564c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007fffeffa86fa in start_thread (arg=0x7fffba752700) at
pthread_create.c:333
#3  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fffccb96700 (LWP 5507)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffd4b81213 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fffd4b80937 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fffeffa86fa in start_thread (arg=0x7fffccb96700) at
pthread_create.c:333
#4  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fffdd319700 (LWP 5506)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
---Type <return> to continue, or q <return> to quit---
#1  0x00007fffeab5e39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeab5e4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff22da2ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff2284d9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff20aa044 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff7e7e7a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007ffff20aec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fffeffa86fa in start_thread (arg=0x7fffdd319700) at
pthread_create.c:333
#9  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fffde8ca700 (LWP 5505)):
#0  0x00007ffff16a6e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffea27dc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fffea27f8d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fffe0e21a39 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ffff20aec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fffeffa86fa in start_thread (arg=0x7fffde8ca700) at
pthread_create.c:333
#6  0x00007ffff16b2b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fffe11d38c0 (LWP 5501)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fffeffaae82 in __GI___pthread_mutex_lock (mutex=0x7fff84121ec0) at
../nptl/pthread_mutex_lock.c:115
#2  0x00007fffe8ca964d in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007fffe8ca9d7d in gst_pad_set_active () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007fffe8c8bd6d in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fffe8c9c1dc in gst_iterator_fold () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007fffe8c8c1ca in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007fffe8c8df5f in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007fffe8c8e286 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007fffe8c9017e in gst_element_change_state () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007fffe8c908f7 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007fffe8c6f315 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#12 0x00007fff9b73fe57 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#13 0x00007fffe8c9017e in gst_element_change_state () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#14 0x00007fffe8c908f7 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#15 0x00007fffe8c6f315 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#16 0x00007fff9b74a865 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
---Type <return> to continue, or q <return> to quit---
#17 0x00007fffe8c9017e in gst_element_change_state () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007fffe8c908f7 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007fffe8c6f315 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007fff9b755e3f in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#21 0x00007fffe8c9017e in gst_element_change_state () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007fffe8c908f7 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007fffad5c8c73 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#24 0x00007fffad5b94e8 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#25 0x00007ffff0e64e6d in ?? () from
/usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#26 0x00007ffff0e65b2a in ?? () from
/usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#27 0x00007ffff0e5c921 in Phonon::MediaNodePrivate::~MediaNodePrivate() () from
/usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#28 0x00007ffff0e3e626 in ?? () from
/usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#29 0x00007ffff0e3e6d9 in ?? () from
/usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#30 0x00007ffff0e3d353 in Phonon::AbstractAudioOutput::~AbstractAudioOutput()
() from /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#31 0x00007ffff0e4216f in ?? () from
/usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4
#32 0x00007ffff22b0393 in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007ffff2d22d94 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fffacbc58cd in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kfileaudiopreview.so
#35 0x00007fffacbc5959 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kfileaudiopreview.so
#36 0x00007ffff22b0393 in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007ffff2d22d94 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007ffff2e6dc09 in QStackedWidget::~QStackedWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007ffff22b0393 in QObjectPrivate::deleteChildren() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007ffff2d22d94 in QWidget::~QWidget() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007ffff7b46419 in KFileMetaPreview::~KFileMetaPreview() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#42 0x00007ffff7b517b0 in KDirOperator::Private::~Private() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#43 0x00007ffff7b51933 in KDirOperator::~KDirOperator() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#44 0x00007ffff7b51969 in KDirOperator::~KDirOperator() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#45 0x00007ffff7b6768d in KFileWidget::~KFileWidget() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#46 0x00007ffff7b67839 in KFileWidget::~KFileWidget() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#47 0x00000000006646a3 in ClipCreationDialog::createClipsCommand
(doc=0x2795b10, groupInfo=..., bin=0xe00220)
    at /workspace/build/src/dialogs/clipcreationdialog.cpp:592
#48 0x00000000007dbdcb in Bin::slotAddClip (this=0xe00220) at
/workspace/build/src/bin/bin.cpp:737
#49 0x0000000000864292 in Bin::qt_static_metacall (_o=0xe00220, _c=<optimized
out>, _id=<optimized out>, _a=<optimized out>)
    at /workspace/build/obj-x86_64-linux-gnu/src/moc_bin.cpp:1168
#50 0x00007ffff22b1bc9 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007ffff2cd9f22 in QAction::triggered(bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
---Type <return> to continue, or q <return> to quit---
#52 0x00007ffff2cdc890 in QAction::activate(QAction::ActionEvent) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#53 0x00007ffff2dc8100 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007ffff2dc8234 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#55 0x00007ffff2e9279a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#56 0x00007ffff2d27398 in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#57 0x00007ffff2e92879 in QToolButton::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007ffff2ce089c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#59 0x00007ffff2ce8b35 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007ffff2286da8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#61 0x00007ffff2ce785f in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007ffff2d41090 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#63 0x00007ffff2d43863 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#64 0x00007ffff2ce089c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#65 0x00007ffff2ce8296 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#66 0x00007ffff2286da8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#67 0x00007ffff25d80c0 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#68 0x00007ffff25d9fc5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#69 0x00007ffff25b7e8b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#70 0x00007fffe0e57720 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#71 0x00007fffeab5e1a7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007fffeab5e400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#73 0x00007fffeab5e4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#74 0x00007ffff22da2ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#75 0x00007ffff2284d9a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#76 0x00007ffff228d3ac in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#77 0x000000000048ae82 in main (argc=<optimized out>, argv=<optimized out>) at
/workspace/build/src/main.cpp:157
(gdb)

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