I managed to get backtraces out of Konsole & Plasma, excuse the poor quality of them as I only remembered to log output after I started gdb.
In all 3 cases they're now crashing in QScreen::handle() with (this=this@entry=0x0) . -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1450137 Title: Qt5 applications crash when switching screens To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtdeclarative-opensource-src/+bug/1450137/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs