#0  0x00007fb06a6fc357 in DisplayWindow::makeCurrent() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-mirserver.so
No symbol table info available.
#1  0x00007fb06a6feafb in MirOpenGLContext::makeCurrent(QPlatformSurface*) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-mirserver.so
No symbol table info available.
#2  0x00007fb07421a5c2 in QOpenGLContext::makeCurrent(QSurface*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#3  0x00007fb073684b12 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#4  0x00007fb073684e98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#5  0x00007fb0736857d8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#6  0x00007fb0727036ce in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb070f2d0a5 in start_thread (arg=0x7fb00d45c700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7fb00d45c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140394113648384, -6491673729168809775, 0, 0, 140394113649088, 140394113648384, 6523723168155721937, 6523482505519194321}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb071e7590d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.