Upload minimal code to reproduce it. Patch is here: https://github.com/qtproject/qtbase/commit/eaa3a9d0108cdf692f1686cafefb7b834f0e5af6
** Attachment added: "Reproducible project" https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1571158/+attachment/4638102/+files/Test50081.tar.gz -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1571158 Title: Crash in QXcbWindow::setParent() due to NULL xcbScreen() Status in qtbase-opensource-src package in Ubuntu: New Bug description: Qt 5.5.1 has problem to "[QTBUG-50081] Crash in QXcbWindow::setParent() due to NULL xcbScreen()". This is already fixed in upstream. https://bugreports.qt.io/browse/QTBUG-50081 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1571158/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
