#0  0x711f214c in platform_get_handle () from /opt/vc/lib/libEGL.so
No symbol table info available.
#1  0x711e7e80 in eglCreateWindowSurface () from /opt/vc/lib/libEGL.so
No symbol table info available.
#2  0x6e7579d2 in ?? () from /usr/lib/arm-linux-gnueabihf/qt5/plugins/xcbglintegrations/libqxcb-egl-integration.so
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)