#0  getInstance (base=<optimized out>) at /usr/include/compiz/core/pluginclasshandler.h:153
No locals.
#1  PluginClassHandler<UnityMTGrabHandlesScreen, CompScreen, 0>::get (base=0x6) at /usr/include/compiz/core/pluginclasshandler.h:185
No locals.
#2  0xb32c549b in CompPlugin::VTableForScreenAndWindow<UnityMTGrabHandlesScreen, UnityMTGrabHandlesWindow>::finiScreen (this=0xaf66f808, s=0x6) at /usr/include/compiz/core/plugin.h:242
        ps = <optimized out>
#3  0xb2f50edf in FindKeyFocusArea (special_keys_state=786432, x11_key_code=65363, key_symbol=6, this=<optimized out>) at ./Area.cpp:962
No locals.
#4  nux::Area::FindKeyFocusArea (this=0x9a1d598, key_symbol=6, x11_key_code=65363, special_keys_state=786432) at ./Area.cpp:952
No locals.
#5  0xb2f8e44f in FindKeyFocusArea (special_keys_state=786432, x11_key_code=65363, key_symbol=6, this=<optimized out>) at ./View.cpp:649
No locals.
#6  nux::View::FindKeyFocusArea (this=0x9a1c9f0, key_symbol=6, x11_key_code=65363, special_keys_state=786432) at ./View.cpp:639
No locals.
#7  0xb2f50edf in FindKeyFocusArea (special_keys_state=786432, x11_key_code=65363, key_symbol=6, this=<optimized out>) at ./Area.cpp:962
No locals.
#8  nux::Area::FindKeyFocusArea (this=0x9a1c800, key_symbol=6, x11_key_code=65363, special_keys_state=786432) at ./Area.cpp:952
No locals.
#9  0xb2f8e44f in FindKeyFocusArea (special_keys_state=786432, x11_key_code=65363, key_symbol=6, this=<optimized out>) at ./View.cpp:649
No locals.
#10 nux::View::FindKeyFocusArea (this=0x98e0ca4, key_symbol=6, x11_key_code=65363, special_keys_state=786432) at ./View.cpp:639
No locals.
#11 0xb2f50edf in FindKeyFocusArea (special_keys_state=786432, x11_key_code=65363, key_symbol=6, this=<optimized out>) at ./Area.cpp:962
No locals.
#12 nux::Area::FindKeyFocusArea (this=0x98e0a88, key_symbol=6, x11_key_code=65363, special_keys_state=786432) at ./Area.cpp:952
No locals.
#13 0xb2f8e44f in FindKeyFocusArea (special_keys_state=786432, x11_key_code=65363, key_symbol=6, this=<optimized out>) at ./View.cpp:649
No locals.
#14 nux::View::FindKeyFocusArea (this=0xb1395730, key_symbol=6, x11_key_code=65363, special_keys_state=786432) at ./View.cpp:639
No locals.
#15 0xb3010e8d in nux::WindowCompositor::FindKeyFocusArea (this=0xb01d7770, event_type=nux::NUX_KEYDOWN, key_symbol=65363, special_keys_state=786432, key_focus_area=0xbf9fb1a4, window=0xbf9fb1a8) at ./WindowCompositor.cpp:796
        window_it = {_M_node = 0xb13a4d20}
#16 0xb3018229 in nux::WindowCompositor::KeyboardEventCycle (this=0xb01d7770, event=...) at ./WindowCompositor.cpp:886
        keyboard_event_grab_view = <optimized out>
        focus_area = 0x0
        base_window = 0x0
        direction = <optimized out>
#17 0xb30190c7 in nux::WindowCompositor::ProcessEvent (this=0xb01d7770, event=...) at ./WindowCompositor.cpp:1026
No locals.
#18 0xb301d098 in nux::WindowThread::ProcessForeignEvent (this=0xb2104fe8, xevent=0xbf9fb8dc, data=0x0) at ./WindowThread.cpp:1748
        nux_event = {VirtualKeycodeState = {0 <repeats 256 times>}, width = 0, height = 0, ascii_code = 0, virtual_code = 0, e_x = 579, e_y = 49, e_x_root = 0, e_y_root = 0, e_dx = 0, e_dy = 0, e_clicks = 0, e_is_click = 0, e_x11_timestamp = 5779272, e_x11_window = 207, e_x11_state = 28, e_x11_keycode = 114, e_keysym = 65363, e_wheeldelta = 0, e_text = '\000' <repeats 15 times>, e_key_modifiers = 786432, e_mouse_state = 16777216, e_key_repeat_count = 0, e_length = 0, e_event = nux::NUX_KEYDOWN}
        w = 3840
        h = 1080
        request_draw_cycle_to_host_wm = <optimized out>
#19 0xb320e1e8 in unity_run_a11y_unit_tests () at /build/buildd/unity-4.14.2/plugins/unityshell/src/unitya11ytests.cpp:318
No locals.
#20 0x0000000f in ?? ()
No symbol table info available.
#21 0xad8d49f0 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)