warn:vcl.qt5:20835:20835:vcl/qt5/Qt5Data.cxx:302: pointer 17not implemented
warn:vcl.schedule:20835:20835:vcl/source/app/scheduler.cxx:369: we're too early - restart the timer (2ms)!
warn:vcl.schedule:20835:20835:vcl/source/app/scheduler.cxx:369: we're too early - restart the timer (5ms)!

Thread 1 "soffice.bin" received signal SIGSEGV, Segmentation fault.
0x00007fffe78535a0 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
(gdb) bt
#0  0x00007fffe78535a0 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#1  0x00007fffe73ca431 in Qt5Widget::event(QEvent*) (this=0x55555bfaa650, pEvent=0x7fffffff2090) at /home/julien/lo/libreoffice/vcl/qt5/Qt5Widget.cxx:421
#2  0x00007fffe7815491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#3  0x00007fffe781da49 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#4  0x00007fffe8501479 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fffe7870dd9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x00007fffe7815491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007fffe781cac0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007fffe8501479 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fffe7e25318 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fffe7e2a905 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007fffe7e05215 in bool QWindowSystemInterfacePrivate::handleWindowSystemEvent<QWindowSystemInterface::SynchronousDelivery>(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007fffe7e089ec in QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int, unsigned int, QString const&, bool, unsigned short) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007fffe7e2523d in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007fffe7e2a905 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007fffe7e04d3b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007fffe58ac8db in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007fffe73b2321 in Qt5Instance::ImplYield(bool, bool) (this=0x555555831ac0, bWait=true, bHandleAllCurrentEvents=false)
    at /home/julien/lo/libreoffice/vcl/qt5/Qt5Instance.cxx:168
#18 0x00007fffe73b2431 in Qt5Instance::DoYield(bool, bool) (this=0x555555831ac0, bWait=true, bHandleAllCurrentEvents=false)
    at /home/julien/lo/libreoffice/vcl/qt5/Qt5Instance.cxx:179
#19 0x00007ffff0f9a885 in ImplYield(bool, bool) (i_bWait=true, i_bAllEvents=false) at /home/julien/lo/libreoffice/vcl/source/app/svapp.cxx:441
#20 0x00007ffff0f9ada7 in Application::Yield() () at /home/julien/lo/libreoffice/vcl/source/app/svapp.cxx:505
#21 0x00007ffff0f9a67d in Application::Execute() () at /home/julien/lo/libreoffice/vcl/source/app/svapp.cxx:422
#22 0x00007ffff7d45206 in desktop::Desktop::Main() (this=0x7fffffff2b70) at /home/julien/lo/libreoffice/desktop/source/app/app.cxx:1621
#23 0x00007ffff0fb219b in ImplSVMain() () at /home/julien/lo/libreoffice/vcl/source/app/svmain.cxx:203
#24 0x00007ffff0fb22c0 in SVMain() () at /home/julien/lo/libreoffice/vcl/source/app/svmain.cxx:237
#25 0x00007ffff7d9ddcd in soffice_main() () at /home/julien/lo/libreoffice/desktop/source/app/sofficemain.cxx:169
#26 0x000055555555495d in sal_main () at /home/julien/lo/libreoffice/desktop/source/app/main.c:48
#27 0x0000555555554943 in main (argc=2, argv=0x7fffffff2eb8) at /home/julien/lo/libreoffice/desktop/source/app/main.c:47
(gdb)