Comment 8 for bug 1318584

Partial backtrace from the affectec box. Still waiting for full Qt build

pure virtual method called
terminate called without an active exception

Program received signal SIGABRT, Aborted.
0x00007ffff4fb0f79 in __GI_raise (sig=sig@entry=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb)
(gdb) bt
#0 0x00007ffff4fb0f79 in __GI_raise (sig=sig@entry=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007ffff4fb4388 in __GI_abort () at abort.c:89
#2 0x00007ffff55b66b5 in __gnu_cxx::__verbose_terminate_handler() ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007ffff55b4836 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4 0x00007ffff55b4863 in std::terminate() ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5 0x00007ffff55b533f in __cxa_pure_virtual ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6 0x00007ffff5fd1aca in QPlatformScreen::physicalSize() const ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7 0x00007ffff6003c42 in QScreen::physicalSize() const ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8 0x00007ffff6003ce9 in QScreen::physicalDotsPerInch() const ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9 0x00007ffff7839fd2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007ffff5ae92a6 in QMetaObject::activate(QObject*, int, int, void**) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ffff5fe442f in QWindow::screenChanged(QScreen*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007ffff5fe6aa0 in QWindowPrivate::setScreen(QScreen*, bool) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
---Type <return> to continue, or q <return> to quit---
#13 0x00007ffff5fe6c22 in QWindow::screenDestroyed(QObject*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007ffff5ae92a6 in QMetaObject::activate(QObject*, int, int, void**) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007ffff5ae986f in QObject::destroyed(QObject*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007ffff5af0853 in QObject::~QObject() ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ffff62834b7 in QScreen::~QScreen() ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007ffff5fd1ca9 in QPlatformScreen::~QPlatformScreen() ()
   from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007fffeda0b429 in ?? ()
   from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#20 0x00007fffeda000ab in ?? ()
   from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#21 0x00007fffeda00785 in ?? ()
   from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#22 0x00007fffeda0190b in ?? ()
   from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#23 0x00007ffff5aea22e in QObject::event(QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007ffff6906c8c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
---Type <return> to continue, or q <return> to quit---
    () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007ffff690be56 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007ffff5ac1c2d in QCoreApplication::notifyInternal(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007ffff5ac3e07 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007ffff5b0ecd3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007ffff3d60e04 in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007ffff3d61048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffff3d610ec in g_main_context_iteration ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007ffff5b0e98c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007ffff5ac096b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007ffff5ac70e1 in QCoreApplication::exec() ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00000000004083c5 in ?? ()
#36 0x00007ffff4f9bec5 in __libc_start_main (main=0x407be0, argc=1,
    argv=0x7fffffffe538, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fffffffe528) at libc-start.c:287
---Type <return> to continue, or q <return> to quit---