https://bugs.kde.org/show_bug.cgi?id=368560

--- Comment #2 from Kevin Funk <kf...@kde.org> ---
This crash seems to be caused by the QML-based Welcome Page plugin (that's
likely why you see KDevelop crashing, but not the other Qt-based apps):

#14 0x00007f50059154d0 in QQuickRenderControl::~QQuickRenderControl() () from
/usr/lib/libQt5Quick.so.5
#15 0x00007f5005e98143 in ?? () from /usr/lib/libQt5QuickWidgets.so.5
#16 0x00007f5005e952b3 in ?? () from /usr/lib/libQt5QuickWidgets.so.5
#17 0x00007f5005e953a9 in ?? () from /usr/lib/libQt5QuickWidgets.so.5
#18 0x00007f50100b5547 in QObject::~QObject() () from /usr/lib/libQt5Core.so.5
#19 0x00007f5010da4933 in QWidget::~QWidget() () from
/usr/lib/libQt5Widgets.so.5
#20 0x00007f4fd1b8627e in ?? () from
/usr/lib/qt/plugins/kdevplatform/25/kdevwelcomepage.so


This looks like an upstream issue in Qt, to debug further we'd need a valgrind
run of KDevelop, to get more details about the crash. It'd be awesome if one of
you guys could run KDevelop through valgrind and then try to reproduce the
crash:

  valgrind --smc-check=all-non-file --track-origins=yes kdevelop &> out

If you just want to work-around the problem for the time being, you could make
KDevelop not load the Welcome Page plugin at all, by setting this environment
variable:

  KDEV_DISABLE_WELCOMEPAGE=1

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