I've upgraded Kdenlive to recent git master. I've also upgraded MLT to recent git master (6.0.0) -- I don't know if this is relevant or not. Now, when loading a project created yesterday using yesterday's git master, there are no problems. But any time I try to open an existing Kdenlive project more than a few days old, Kdenlive crashes: Thread 1 (Thread 0x7f01e5eac800 (LWP 8819)): [KCrash Handler] #6 0x00007f01f815f099 in QDomNode::childNodes() const () from /usr/lib/x86_64-linux-gnu/libQt5Xml.so.5 #7 0x00000000008bfbe1 in EffectsList::count() const () #8 0x00000000006fcd74 in ClipItem::effectsCount() () #9 0x000000000077ef35 in Timeline::getEffects(Mlt::Service&, ClipItem*, int) () #10 0x0000000000778c0c in Timeline::getTracks() () #11 0x000000000077b3e2 in Timeline::parseDocument(QDomDocument const&) () #12 0x0000000000777d8b in Timeline::loadTimeline() () #13 0x00000000006d849e in ProjectManager::doOpenFile(QUrl const&, KAutoSaveFile*) () #14 0x00000000006d798b in ProjectManager::openFile(QUrl const&) () #15 0x0000000000ad1adf in ProjectManager::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () #16 0x00007f01f20588ea in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f01f4bd63b2 in KRecentFilesAction::urlSelected(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5 #18 0x00007f01f4bd6d88 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5 #19 0x00007f01f4bd714b in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5 #20 0x00007f01f20588ea in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f01f3dd3fcf in KSelectAction::triggered(QAction*) () from /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #22 0x00007f01f3dd70cd in KSelectAction::actionTriggered(QAction*) () from /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #23 0x00007f01f2058777 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f01f35dc2cf in QActionGroup::triggered(QAction*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #25 0x00007f01f35dcf49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #26 0x00007f01f20588ea in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #27 0x00007f01f35d8d92 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #28 0x00007f01f35db218 in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #29 0x00007f01f375dba2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #30 0x00007f01f3763e6c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #31 0x00007f01f3767d70 in QMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #32 0x00007f01f36259f8 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #33 0x00007f01f37687b3 in QMenu::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #34 0x00007f01f35e29dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #35 0x00007f01f35e85a9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #36 0x00007f01f2029d7b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007f01f35e74b2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #38 0x00007f01f36402cd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #39 0x00007f01f364252b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #40 0x00007f01f35e29dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #41 0x00007f01f35e7ea6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #42 0x00007f01f2029d7b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #43 0x00007f01f236c5f1 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #44 0x00007f01f236e2b5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #45 0x00007f01f2352228 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #46 0x00007f01e59c60b0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #47 0x00007f01ee62aff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #48 0x00007f01ee62b250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #49 0x00007f01ee62b2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #50 0x00007f01f20804ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #51 0x00007f01f202750a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #52 0x00007f01f202f5ec in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #53 0x0000000000a5a410 in main () Reproducible: Always
With debug information; ClipItem::effectsCount called with this=null doesn't look sane... :) Program received signal SIGSEGV, Segmentation fault. 0x00007ffff7f42099 in QDomNode::childNodes() const () from /usr/lib/x86_64-linux-gnu/libQt5Xml.so.5 (gdb) bt full #0 0x00007ffff7f42099 in QDomNode::childNodes() const () from /usr/lib/x86_64-linux-gnu/libQt5Xml.so.5 No symbol table info available. #1 0x00000000008bfbe1 in EffectsList::count (this=0x1f8) at /home/harald/kdenlive-local/kdenlive/src/effectslist/effectslist.cpp:360 No locals. #2 0x00000000006fcd74 in ClipItem::effectsCount (this=0x0) at /home/harald/kdenlive-local/kdenlive/src/timeline/clipitem.cpp:1351 No locals. #3 0x000000000077ef35 in Timeline::getEffects (this=0x230ca80, service=..., clip=0x0, track=1) at /home/harald/kdenlive-local/kdenlive/src/timeline/timeline.cpp:974 effectNb = 60167888 locale = {static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7ffff1fd8f40, data = 0x7ffff1fd7b40, static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}, d = {d = 0x7fffffffc0a0}} #4 0x0000000000778c0c in Timeline::getTracks (this=0x230ca80) at /home/harald/kdenlive-local/kdenlive/src/timeline/timeline.cpp:287 currentWidth = 150 track = {d = 0x396f4a0} isBackgroundBlackTrack = false playlist = <unvollständiger Typ> trackduration = 16084 frame = 0x22fc260 playlist_name = {static null = {<No data fields>}, d = 0x395df30} audio = 1 tk = 0x3961320 i = 1 duration = 16084 headerLayout = 0x395e220 child = 0x0 clipsCount = 126 height = 49 headerWidth = 150 offset = 32 #5 0x000000000077b3e2 in Timeline::parseDocument (this=0x230ca80, doc=...) at /home/harald/kdenlive-local/kdenlive/src/timeline/timeline.cpp:455 mlt = {<QDomNode> = {impl = 0x2e756e0}, <No data fields>} groupsDoc = {<QDomNode> = {impl = 0x0}, <No data fields>} groups = {impl = 0x1} effectsDoc = {<QDomNode> = {impl = 0xe99840 <Timeline::staticMetaObject>}, <No data fields>} effects = {impl = 0x23529a0} #6 0x0000000000777d8b in Timeline::loadTimeline (this=0x230ca80) at /home/harald/kdenlive-local/kdenlive/src/timeline/timeline.cpp:147 No locals.
Git commit f53796ef711b440254aaa29084880edea77051be by Jean-Baptiste Mardelle. Committed on 27/02/2016 at 15:24. Pushed by mardelle into branch 'master'. Fix crash M +1 -1 src/timeline/timeline.cpp http://commits.kde.org/kdenlive/f53796ef711b440254aaa29084880edea77051be
Thank you very much Jean-Baptiste for the quick fix! I can now load my existing projects without any crashes. I'm setting this to resolved-fixed.