#0  0x00007ff8ac23606c in ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
No symbol table info available.
#1  0x00007ff8ac236709 in ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
No symbol table info available.
#2  0x00007ff8ac92a6f6 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
No symbol table info available.
#3  0x00007ff8ac60db44 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
No symbol table info available.
#4  0x00007ff8b63a17ec in ?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
No symbol table info available.
#5  0x00007ff8b6396de3 in eglMakeCurrent () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
No symbol table info available.
#6  0x00007ff8b6b64e6a in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.41
No symbol table info available.
#7  0x00007ff8b6e3f0c6 in MirOpenGLContext::makeCurrent(QPlatformSurface*) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-mirserver.so
No symbol table info available.
#8  0x00007ff8c03f1e0c in QOpenGLContext::makeCurrent(QSurface*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#9  0x00007ff8c137b075 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#10 0x00007ff8c137c257 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#11 0x00007ff8c138123c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#12 0x00007ff8bf91fc68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#13 0x00007ff8becf570a in start_thread (arg=0x7ff82da4f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff82da4f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140703894402816, -8763372315666953926, 0, 140731820609263, 140703894403520, 140703894402816, 8760174206172121402, 8760419167858313530}, 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"
#14 0x00007ff8bf0140ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.