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[Rik Mills <rik.mills88@xxxxxxxxx>]

Public bug reported:

On exit with the version of MLT in artful, current kdelive crashs on
exit with BT below:

Also see KDE bug: https://bugs.kde.org/show_bug.cgi?id=373791

It seems that this may be fixed upstream for MLT with:

https://github.com/mltframework/mlt/commit/a3188e301b5a9a1f25dbb98a510e366363348e64


**** crash BT ****

Thread 1 (Thread 0x7f02a4fd28c0 (LWP 25828)):
[KCrash Handler]
#6  0x00007f025835d8b0 in  ()
#7  0x00007f02a406839a in mlt_consumer_purge () at /usr/lib/x86_64-linux-gnu/libmlt.so.6
#8  0x0000562b1c6c8845 in  ()
#9  0x0000562b1c5a7de5 in  ()
#10 0x0000562b1c5a7e79 in  ()
#11 0x0000562b1c6ab13b in  ()
#12 0x0000562b1c6ab249 in  ()
#13 0x00007f029df843f0 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f029f09b4c3 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f029f188b9b in QMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f02a25d88e7 in KMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#17 0x00007f02a261de15 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#18 0x00007f029f05a46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f029f061d34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f029df54d68 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f029df574dd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f029df5bd3d in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x0000562b1c2f7509 in  ()
#24 0x00007f029d297421 in __libc_start_main (main=0x562b1c2f64e0, argc=1, argv=0x7ffedcda78d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffedcda78c8) at ../csu/libc-start.c:291
#25 0x0000562b1c2f7cea in _start ()

** Affects: kdenlive
     Importance: Unknown
         Status: Unknown

** Affects: kdenlive (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: mlt (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: kdenlive (Ubuntu)
   Importance: Undecided
       Status: New

** Bug watch added: KDE Bug Tracking System #373791
   https://bugs.kde.org/show_bug.cgi?id=373791

** Also affects: kdenlive via
   https://bugs.kde.org/show_bug.cgi?id=373791
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1714650

Title:
  MLT causes kdenlive in artful to crash on exit - possible fix upstream

Status in Kdenlive:
  Unknown
Status in kdenlive package in Ubuntu:
  New
Status in mlt package in Ubuntu:
  New

Bug description:
  On exit with the version of MLT in artful, current kdelive crashs on
  exit with BT below:

  Also see KDE bug: https://bugs.kde.org/show_bug.cgi?id=373791

  It seems that this may be fixed upstream for MLT with:

  https://github.com/mltframework/mlt/commit/a3188e301b5a9a1f25dbb98a510e366363348e64

  
  **** crash BT ****

  Thread 1 (Thread 0x7f02a4fd28c0 (LWP 25828)):
  [KCrash Handler]
  #6  0x00007f025835d8b0 in  ()
  #7  0x00007f02a406839a in mlt_consumer_purge () at /usr/lib/x86_64-linux-gnu/libmlt.so.6
  #8  0x0000562b1c6c8845 in  ()
  #9  0x0000562b1c5a7de5 in  ()
  #10 0x0000562b1c5a7e79 in  ()
  #11 0x0000562b1c6ab13b in  ()
  #12 0x0000562b1c6ab249 in  ()
  #13 0x00007f029df843f0 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
  #14 0x00007f029f09b4c3 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
  #15 0x00007f029f188b9b in QMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
  #16 0x00007f02a25d88e7 in KMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
  #17 0x00007f02a261de15 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
  #18 0x00007f029f05a46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
  #19 0x00007f029f061d34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
  #20 0x00007f029df54d68 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
  #21 0x00007f029df574dd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
  #22 0x00007f029df5bd3d in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
  #23 0x0000562b1c2f7509 in  ()
  #24 0x00007f029d297421 in __libc_start_main (main=0x562b1c2f64e0, argc=1, argv=0x7ffedcda78d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffedcda78c8) at ../csu/libc-start.c:291
  #25 0x0000562b1c2f7cea in _start ()

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