(gdb) bt
#0  0x762ade68 in pthread_mutex_lock () from /lib/libpthread.so.0
#1  0x73c9714c in wl_display_create_queue ()
   from /usr/lib/libwayland-client.so.0
#2  0x73c0f6d4 in WaylandNativeWindow::WaylandNativeWindow (this=0xd3218,
    window=0xd316c, display=0x0, alloc_device=0x5) at wayland_window.cpp:171
#3  0x73c0962c in waylandws_CreateWindow (win=864620, display=0x0)
    at eglplatform_wayland.cpp:68
#4  0x75efe8c8 in ws_CreateWindow (win=864620, display=0x0) at ws.c:67
#5  0x75efd108 in eglCreateWindowSurface (dpy=0x1, config=0x6, win=864620,
    attrib_list=0x0) at egl.c:255
#6  0x73d80ce4 in QEglFSWindow::resetSurface (this=0xd5c58)
    at qeglfswindow.cpp:104
#7  0x73d81074 in QEglFSWindow::create (this=0xd5c58) at qeglfswindow.cpp:85
#8  0x73d80074 in QEglFSIntegration::createPlatformWindow (this=0x1c860,
    window=0xcf750) at qeglfsintegration.cpp:141
#9  0x7687c870 in QWindow::create() () from /usr/lib/libQt5Gui.so.5
#10 0x7687d9a0 in QWindow::setVisible(bool) () from /usr/lib/libQt5Gui.so.5
#11 0x7687d9e8 in QWindow::showFullScreen() () from /usr/lib/libQt5Gui.so.5
#12 0x0000b5a6 in ?? ()
#13 0x0000b5a6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)