Kdenlive SIGSEGV on startup

Johannes Bauer dfnsonfsduifb at gmx.de
Sat Mar 31 20:57:45 UTC 2018


Hey Farid,

On 31.03.2018 17:58, farid abdelnour wrote:

> Not an expert here, but which version of QT are you using?

Hmmm, I'll attach it to the bottom. Multiple versions are installed on
my system.

> Also please note that the team atm is very small and focused on the
> refactoring and other issues so they might not be able to provide build
> support. 

Well, building worked nicely -- just that the resulting version
segfaults on one machine while it works on the other. So I think it's
worthwhile taking a look.

> Have you tried using the AppImage version? Also Vincent
> recently updated the PPA in case that helps you:
> 
> https://launchpad.net/~kdenlive/+archive/ubuntu/kdenlive-stable
> 
> Good luck
> :)

I had tried the AppImage version once on my computer, had a different
set of issues (very poor performance with 4K video, that was much
improved as soon as I used the native version).


In any case I think it's great the kdenlive team focuses on code quality
and refactoring. It definitely is incredible software.

Cheers,
Joe



# dpkg -l | grep qt
ii  appmenu-qt:amd64
0.2.7+14.04.20140305-0ubuntu2            amd64        application menu
for Qt
ii  kde-style-breeze-qt4                            4:5.10.5-0ubuntu1
                    amd64        Widget style for Qt 4 and KDE Software
ii  libdbusmenu-qt2:amd64
0.9.3+16.04.20160218-0ubuntu1            amd64        Qt implementation
of the DBusMenu protocol
ii  libdbusmenu-qt5:amd64
0.9.3+16.04.20160218-0ubuntu1            amd64        Qt5 implementation
of the DBusMenu protocol
ii  libkf5dbusaddons-bin                            5.38.0-0ubuntu1
                    amd64        class library for qtdbus
ii  libkf5dbusaddons-data                           5.38.0-0ubuntu1
                    all          class library for qtdbus
ii  libkf5dbusaddons5:amd64                         5.38.0-0ubuntu1
                    amd64        class library for qtdbus
ii  libphonon4qt5-4:amd64                           4:4.9.0-4
                    amd64        multimedia framework from KDE using Qt
5 - core library
ii  libpolkit-qt5-1-1:amd64                         0.112.0-5
                    amd64        PolicyKit-qt5-1 library
ii  libpoppler-qt5-1:amd64                          0.57.0-2ubuntu4.2
                    amd64        PDF rendering library (Qt 5 based
shared library)
ii  libqt4-dbus:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 D-Bus module
ii  libqt4-declarative:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 Declarative
module
ii  libqt4-designer:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 designer module
ii  libqt4-help:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 help module
ii  libqt4-network:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 network module
ii  libqt4-script:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 script module
ii  libqt4-scripttools:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 script tools
module
ii  libqt4-sql:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 SQL module
ii  libqt4-sql-mysql:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 MySQL
database driver
ii  libqt4-svg:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 SVG module
ii  libqt4-test:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 test module
ii  libqt4-xml:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 XML module
ii  libqt4-xmlpatterns:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 XML patterns
module
ii  libqt5concurrent5:amd64                         5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 concurrent module
ii  libqt5core5a:amd64                              5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 core module
ii  libqt5dbus5:amd64                               5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 D-Bus module
ii  libqt5designer5:amd64                           5.9.1-2
                    amd64        Qt 5 designer module
ii  libqt5gui5:amd64                                5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 GUI module
ii  libqt5help5:amd64                               5.9.1-2
                    amd64        Qt 5 help module
ii  libqt5multimedia5:amd64                         5.9.1-3ubuntu1
                    amd64        Qt 5 Multimedia module
ii  libqt5multimediawidgets5:amd64                  5.9.1-3ubuntu1
                    amd64        Qt 5 Multimedia Widgets module
ii  libqt5network5:amd64                            5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 network module
ii  libqt5opengl5:amd64                             5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 OpenGL module
ii  libqt5opengl5-dev:amd64                         5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 OpenGL library development files
ii  libqt5positioning5:amd64                        5.9.1+dfsg-2
                    amd64        Qt Positioning module
ii  libqt5printsupport5:amd64                       5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 print support module
ii  libqt5qml5:amd64                                5.9.1-4ubuntu1
                    amd64        Qt 5 QML module
ii  libqt5quick5:amd64                              5.9.1-4ubuntu1
                    amd64        Qt 5 Quick library
ii  libqt5quickcontrols2-5:amd64                    5.9.1-3
                    amd64        Qt 5 Quick Controls 2 library
ii  libqt5quickparticles5:amd64                     5.9.1-4ubuntu1
                    amd64        Qt 5 Quick particles module
ii  libqt5quicktemplates2-5:amd64                   5.9.1-3
                    amd64        Qt 5 Quick Templates 2 library
ii  libqt5quicktest5:amd64                          5.9.1-4ubuntu1
                    amd64        Qt 5 Quick Test library
ii  libqt5quickwidgets5:amd64                       5.9.1-4ubuntu1
                    amd64        Qt 5 Quick Widgets library
ii  libqt5script5:amd64                             5.9.1+dfsg-2
                    amd64        Qt 5 script module
ii  libqt5scripttools5:amd64                        5.9.1+dfsg-2
                    amd64        Qt 5 script tools module
ii  libqt5serialport5:amd64                         5.9.1-2
                    amd64        Qt 5 serial port support
ii  libqt5sql5:amd64                                5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 SQL module
ii  libqt5sql5-sqlite:amd64                         5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 SQLite 3 database driver
ii  libqt5svg5:amd64                                5.9.1-2
                    amd64        Qt 5 SVG module
ii  libqt5svg5-dev:amd64                            5.9.1-2
                    amd64        Qt 5 SVG module development files
ii  libqt5test5:amd64                               5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 test module
ii  libqt5waylandclient5:amd64                      5.9.1-2
                    amd64        QtWayland client library
ii  libqt5waylandcompositor5:amd64                  5.9.1-2
                    amd64        QtWayland compositor library
ii  libqt5webkit5:amd64                             5.9.1+dfsg-5ubuntu1
                    amd64        Web content engine library for Qt
ii  libqt5widgets5:amd64                            5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 widgets module
ii  libqt5x11extras5:amd64                          5.9.1-2
                    amd64        Qt 5 X11 extras
ii  libqt5xml5:amd64                                5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 XML module
ii  libqtassistantclient4:amd64                     4.6.3-7
                    amd64        Qt Assistant client library (runtime)
ii  libqtcore4:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 core module
ii  libqtdbus4:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 D-Bus module
library
ii  libqtgui4:amd64
4:4.8.7+dfsg-7ubuntu1                    amd64        Qt 4 GUI module
ii  pavucontrol-qt                                  0.2.0-1
                    amd64        Qt port of volume control pavucontrol
ii  pavucontrol-qt-l10n                             0.11.2-3ubuntu1
                    all          Language package for pavucontrol-qt
ii  phonon4qt5:amd64                                4:4.9.0-4
                    amd64        multimedia framework from KDE using Qt
5 - metapackage
ii  phonon4qt5-backend-vlc:amd64                    0.9.0-2
                    amd64        Phonon4Qt5 VLC backend
ii  python-pyqt5                                    5.7+dfsg-6
                    amd64        Python 2 bindings for Qt5
ii  python-pyqt5.qtsvg                              5.7+dfsg-6
                    amd64        Python 2 bindings for Qt5's SVG module
ii  python-pyqt5.qtwebkit                           5.7+dfsg-6
                    amd64        Python 2 bindings for Qt5's WebKit module
ii  python3-pyqt4                                   4.11.4+dfsg-2build2
                    amd64        Python3 bindings for Qt4
ii  python3-pyqtgraph                               0.10.0-1
                    all          Scientific Graphics and GUI Library for
Python 3
ii  qml-module-qtgraphicaleffects:amd64             5.9.1-2
                    amd64        Qt 5 Graphical Effects module
ii  qml-module-qtqml-models2:amd64                  5.9.1-4ubuntu1
                    amd64        Qt 5 Models2 QML module
ii  qml-module-qtquick-controls:amd64               5.9.1-2
                    amd64        Qt 5 Quick Controls QML module
ii  qml-module-qtquick-controls-styles-breeze       4:5.10.5-0ubuntu1
                    amd64        QtQuick style for Qt and KDE Software
ii  qml-module-qtquick-controls2:amd64              5.9.1-3
                    amd64        Qt 5 Qt Quick Controls 2 QML module
ii  qml-module-qtquick-dialogs:amd64                5.9.1-2
                    amd64        Qt 5 Dialogs QML module
ii  qml-module-qtquick-layouts:amd64                5.9.1-4ubuntu1
                    amd64        Qt 5 Quick Layouts QML module
ii  qml-module-qtquick-privatewidgets:amd64         5.9.1-2
                    amd64        Qt 5 Private Widgets QML module
ii  qml-module-qtquick-templates2:amd64             5.9.1-3
                    amd64        Qt 5 Qt Quick Templates 2 QML module
ii  qml-module-qtquick-window2:amd64                5.9.1-4ubuntu1
                    amd64        Qt 5 window 2 QML module
ii  qml-module-qtquick2:amd64                       5.9.1-4ubuntu1
                    amd64        Qt 5 Qt Quick 2 QML module
ii  qt-at-spi:amd64                                 0.4.0-5
                    amd64        at-spi accessibility plugin for Qt
ii  qt5-gtk-platformtheme:amd64                     5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 GTK+ 3 platform theme
ii  qt5-qmake:amd64                                 5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 qmake Makefile generator tool
ii  qt5-qmltooling-plugins:amd64                    5.9.1-4ubuntu1
                    amd64        Qt 5 qmltooling plugins
ii  qt5-style-plugins:amd64
5.0.0+git23.g335dbec-2build1             amd64        Qt 5 extra widget
styles
ii  qtbase5-dev:amd64                               5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 base development files
ii  qtbase5-dev-tools                               5.9.1+dfsg-10ubuntu1
                    amd64        Qt 5 base development programs
ii  qtchooser                                       63-g13a3d08-1
                    amd64        Wrapper to select between Qt
development binary versions
ii  qtcore4-l10n
4:4.8.7+dfsg-7ubuntu1                    all          Qt 4 core module
translations
ii  qtdeclarative5-dev:amd64                        5.9.1-4ubuntu1
                    amd64        Qt 5 declarative development files
ii  qtscript5-dev:amd64                             5.9.1+dfsg-2
                    amd64        Qt 5 script development files
ii  qttranslations5-l10n                            5.9.1-1
                    all          translations for Qt 5
ii  qtwayland5:amd64                                5.9.1-2
                    amd64        QtWayland platform plugin
ii  sni-qt:amd64
0.2.7+17.04.20170112-0ubuntu1            amd64        indicator support
for Qt
ii  vlc-plugin-qt:amd64                             2.2.6-6
                    amd64        multimedia player and streamer (Qt plugin)


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