#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
  [Error: raise.c was not found in source tree]
#1  0x00007fabf08af801 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#2  0x00007fabf089f39a in __assert_fail_base (fmt=0x7fabe6f8c195 <error: Cannot access memory at address 0x7fabe6f8c195>, assertion=assertion@entry=0x7fabeb44253c "!xcb_xlib_unknown_req_pending", file=file@entry=0x7fabeb4424cb "../../src/xcb_io.c", line=line@entry=151, function=function@entry=0x7fabeb4428f0 <__PRETTY_FUNCTION__.14321> "append_pending_request") at assert.c:92
  [Error: assert.c was not found in source tree]
#3  0x00007fabf089f412 in __GI___assert_fail (assertion=assertion@entry=0x7fabeb44253c "!xcb_xlib_unknown_req_pending", file=file@entry=0x7fabeb4424cb "../../src/xcb_io.c", line=line@entry=151, function=function@entry=0x7fabeb4428f0 <__PRETTY_FUNCTION__.14321> "append_pending_request") at assert.c:101
  [Error: assert.c was not found in source tree]
#4  0x00007fabeb3cff5e in append_pending_request (dpy=dpy@entry=0x19b11e0, sequence=18144) at ../../src/xcb_io.c:149
  [Error: xcb_io.c was not found in source tree]
#5  0x00007fabeb3d09f8 in _XReply (dpy=dpy@entry=0x19b11e0, rep=rep@entry=0x7ffc7aab49b0, extra=extra@entry=0, discard=discard@entry=1) at ../../src/xcb_io.c:579
  [Error: xcb_io.c was not found in source tree]
#6  0x00007fabeb3bb89f in XInternAtom (dpy=dpy@entry=0x19b11e0, name=name@entry=0x7fabed6950ea "_NET_WORKAREA", onlyIfExists=onlyIfExists@entry=1) at ../../src/IntAtom.c:181
  [Error: IntAtom.c was not found in source tree]
#7  0x00007fabed6477f6 in gdk_x11_screen_get_work_area (screen=screen@entry=0x19c6000, area=area@entry=0x7ffc7aab4a80) at ../../../../../gdk/x11/gdkscreen-x11.c:258
  [Error: gdkscreen-x11.c was not found in source tree]
#8  0x00007fabed6444fd in gdk_x11_monitor_get_workarea (monitor=0x19b0630, dest=0x7ffc7aab4af0) at ../../../../../gdk/x11/gdkmonitor-x11.c:78
  [Error: gdkmonitor-x11.c was not found in source tree]
#9  0x00007fabe889cf1d in gtk_window_guess_default_size (window=window@entry=0x1f10f80, width=width@entry=0x7ffc7aab4b88, height=height@entry=0x7ffc7aab4b8c) at ../../../../gtk/gtkwindow.c:6628
  [Error: gtkwindow.c was not found in source tree]
#10 0x00007fabe88a1d9b in gtk_window_compute_configure_request_size (height=0x7ffc7aab4b8c, width=0x7ffc7aab4b88, flags=74, geometry=0x7ffc7aab4bb0, window=0x1f10f80) at ../../../../gtk/gtkwindow.c:9492
  [Error: gtkwindow.c was not found in source tree]
#11 gtk_window_compute_configure_request (window=window@entry=0x1f10f80, request=request@entry=0x7ffc7aab4c80, geometry=geometry@entry=0x0, flags=flags@entry=0x0) at ../../../../gtk/gtkwindow.c:9674
  [Error: gtkwindow.c was not found in source tree]
#12 0x00007fabe88a63d5 in gtk_window_realize (widget=0x1f10f80) at ../../../../gtk/gtkwindow.c:7501
  [Error: gtkwindow.c was not found in source tree]
#13 0x00007fabe6d71bab in hijacked_window_realize (widget=0x1f10f80) at ./src/hijack.c:89
  [Error: hijack.c was not found in source tree]
#14 0x00007fabefcf2f6d in g_closure_invoke (closure=0x1ae8150, return_value=0x0, n_param_values=1, param_values=0x7ffc7aab4f50, invocation_hint=0x7ffc7aab4ed0) at ../../../../gobject/gclosure.c:804
  [Error: gclosure.c was not found in source tree]
#15 0x00007fabefd05e0e in signal_emit_unlocked_R (node=node@entry=0x1ae81a0, detail=detail@entry=0, instance=instance@entry=0x1f10f80, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffc7aab4f50) at ../../../../gobject/gsignal.c:3565
  [Error: gsignal.c was not found in source tree]
#16 0x00007fabefd0e3f5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc7aab5110) at ../../../../gobject/gsignal.c:3391
  [Error: gsignal.c was not found in source tree]
#17 0x00007fabefd0ee0f in g_signal_emit (instance=instance@entry=0x1f10f80, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
  [Error: gsignal.c was not found in source tree]
#18 0x00007fabe8896846 in gtk_widget_realize (widget=widget@entry=0x1f10f80) at ../../../../gtk/gtkwidget.c:5467
  [Error: gtkwidget.c was not found in source tree]
#19 0x00007fabe88a46cd in gtk_window_show (widget=0x1f10f80) at ../../../../gtk/gtkwindow.c:6311
  [Error: gtkwindow.c was not found in source tree]
#20 0x00007fabefcf2f6d in g_closure_invoke (closure=0x1aaa9f0, return_value=0x0, n_param_values=1, param_values=0x7ffc7aab5450, invocation_hint=0x7ffc7aab53d0) at ../../../../gobject/gclosure.c:804
  [Error: gclosure.c was not found in source tree]
#21 0x00007fabefd05e0e in signal_emit_unlocked_R (node=node@entry=0x1aaaa40, detail=detail@entry=0, instance=instance@entry=0x1f10f80, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffc7aab5450) at ../../../../gobject/gsignal.c:3565
  [Error: gsignal.c was not found in source tree]
#22 0x00007fabefd0e3f5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc7aab5610) at ../../../../gobject/gsignal.c:3391
  [Error: gsignal.c was not found in source tree]
#23 0x00007fabefd0ee0f in g_signal_emit (instance=instance@entry=0x1f10f80, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
  [Error: gsignal.c was not found in source tree]
#24 0x00007fabe8890a26 in gtk_widget_show (widget=0x1f10f80) at ../../../../gtk/gtkwidget.c:4800
  [Error: gtkwidget.c was not found in source tree]
#25 0x00007fabe88b39a6 in gtk_drag_set_icon_widget_internal (context=0x1ff3e30, widget=0x230a700, hot_x=<optimized out>, hot_y=<optimized out>, destroy_on_release=<optimized out>) at ../../../../gtk/gtkdnd.c:2113
  [Error: gtkdnd.c was not found in source tree]
#26 0x00007fabe88b3a63 in set_icon_helper (context=<optimized out>, def=<optimized out>, hot_x=<optimized out>, hot_y=<optimized out>) at ../../../../gtk/gtkdnd.c:2199
  [Error: gtkdnd.c was not found in source tree]
#27 0x00007fabe88b5ecf in gtk_drag_begin_internal (widget=widget@entry=0x19c63e0, icon=0x1c5d1b0, target_list=0x1e21070, actions=GDK_ACTION_MOVE, button=button@entry=1, event=event@entry=0x1cbbf00, x=<optimized out>, y=<optimized out>) at ../../../../gtk/gtkdnd.c:1880
  [Error: gtkdnd.c was not found in source tree]
#28 0x00007fabe86ae1eb in gtk_drag_source_event_cb (widget=widget@entry=0x19c63e0, event=<optimized out>, data=0x7fabd801b090) at ../../../../gtk/gtkdragsource.c:98
  [Error: gtkdragsource.c was not found in source tree]
#29 0x00007fabe874032b in _gtk_marshal_BOOLEAN__BOXED (closure=0x2010650, return_value=0x7ffc7aab5a40, n_param_values=<optimized out>, param_values=0x7ffc7aab5aa0, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../../gtk/gtkmarshalers.c:82
  [Error: gtkmarshalers.c was not found in source tree]
#30 0x00007fabefcf2f6d in g_closure_invoke (closure=0x2010650, return_value=0x7ffc7aab5a40, n_param_values=2, param_values=0x7ffc7aab5aa0, invocation_hint=0x7ffc7aab5a20) at ../../../../gobject/gclosure.c:804
  [Error: gclosure.c was not found in source tree]
#31 0x00007fabefd05d3e in signal_emit_unlocked_R (node=node@entry=0x1aeb630, detail=detail@entry=0, instance=instance@entry=0x19c63e0, emission_return=emission_return@entry=0x7ffc7aab5bc0, instance_and_params=instance_and_params@entry=0x7ffc7aab5aa0) at ../../../../gobject/gsignal.c:3635
  [Error: gsignal.c was not found in source tree]
#32 0x00007fabefd0dd8f in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc7aab5c70) at ../../../../gobject/gsignal.c:3401
  [Error: gsignal.c was not found in source tree]
#33 0x00007fabefd0ee0f in g_signal_emit (instance=instance@entry=0x19c63e0, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
  [Error: gsignal.c was not found in source tree]
#34 0x00007fabe8887e94 in gtk_widget_event_internal (widget=widget@entry=0x19c63e0, event=event@entry=0x1cbbe60) at ../../../../gtk/gtkwidget.c:7740
  [Error: gtkwidget.c was not found in source tree]
#35 0x00007fabe8889f0a in gtk_widget_event (widget=widget@entry=0x19c63e0, event=event@entry=0x1cbbe60) at ../../../../gtk/gtkwidget.c:7310
  [Error: gtkwidget.c was not found in source tree]
#36 0x00007fabe873d39e in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x19c63e0) at ../../../../gtk/gtkmain.c:2592
  [Error: gtkmain.c was not found in source tree]
#37 propagate_event (widget=<optimized out>, event=0x1cbbe60, captured=<optimized out>, topmost=0x0) at ../../../../gtk/gtkmain.c:2694
  [Error: gtkmain.c was not found in source tree]
#38 0x00007fabe873f478 in gtk_main_do_event (event=<optimized out>) at ../../../../gtk/gtkmain.c:1915
  [Error: gtkmain.c was not found in source tree]
#39 0x00007fabed60d9a5 in _gdk_event_emit (event=event@entry=0x1cbbe60) at ../../../../gdk/gdkevents.c:73
  [Error: gdkevents.c was not found in source tree]
#40 0x00007fabed63e2e2 in gdk_event_source_dispatch (source=source@entry=0x19dcb30, callback=<optimized out>, user_data=<optimized out>) at ../../../../../gdk/x11/gdkeventsource.c:367
  [Error: gdkeventsource.c was not found in source tree]
#41 0x00007fabefa19287 in g_main_dispatch (context=0x19da4c0) at ../../../../glib/gmain.c:3177
  [Error: gmain.c was not found in source tree]
#42 g_main_context_dispatch (context=context@entry=0x19da4c0) at ../../../../glib/gmain.c:3830
  [Error: gmain.c was not found in source tree]
#43 0x00007fabefa194c0 in g_main_context_iterate (context=0x19da4c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
  [Error: gmain.c was not found in source tree]
#44 0x00007fabefa197d2 in g_main_loop_run (loop=0x182b400) at ../../../../glib/gmain.c:4099
  [Error: gmain.c was not found in source tree]
#45 0x00007fabe873e555 in gtk_main () at ../../../../gtk/gtkmain.c:1323
  [Error: gtkmain.c was not found in source tree]
#46 0x00007fabd457cc29 in _mate_panel_applet_factory_main_internal (factory_id=<optimized out>, out_process=1, applet_type=25298320, callback=<optimized out>, user_data=0x1ddee30) at mate-panel-applet.c:2276
  [Error: mate-panel-applet.c was not found in source tree]
#47 0x00007fabef7cadae in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: unix64.S was not found in source tree]
#48 0x00007fabef7ca71f in ffi_call (cif=cif@entry=0x1dbffc8, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x7ffc7aab6138, avalue=<optimized out>) at ../src/x86/ffi64.c:525
  [Error: ffi64.c was not found in source tree]
#49 0x00007fabf0196dda in pygi_invoke_c_callable (function_cache=0x1dbff20, state=<optimized out>, py_args=<optimized out>, py_kwargs=<optimized out>) at ../../gi/pygi-invoke.c:682
  [Error: pygi-invoke.c was not found in source tree]
#50 0x00007fabf01989b8 in pygi_function_cache_invoke (function_cache=<optimized out>, py_args=<optimized out>, py_kwargs=<optimized out>) at ../../gi/pygi-cache.c:863
  [Error: pygi-cache.c was not found in source tree]
#51 0x000000000045a0e3 in _PyObject_FastCallDict (func=0x7fabd5c43148, args=0x17a96c8, nargs=5, kwargs=0x0) at ../Objects/abstract.c:2331
  [Error: abstract.c was not found in source tree]
#52 0x000000000054fd37 in call_function (pp_stack=pp_stack@entry=0x7ffc7aab6328, oparg=<optimized out>, kwnames=kwnames@entry=0x0) at ../Python/ceval.c:4848
  [Error: ceval.c was not found in source tree]
#53 0x00000000005546cf in _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at ../Python/ceval.c:3322
  [Error: ceval.c was not found in source tree]
#54 0x000000000054fbe1 in PyEval_EvalFrameEx (throwflag=0, f=0x17a9548) at ../Python/ceval.c:753
  [Error: ceval.c was not found in source tree]
#55 _PyEval_EvalCodeWithName (_co=_co@entry=0x7fabf04966f0, globals=globals@entry=0x7fabf04966f0, locals=locals@entry=0x7fabf1c0f270, args=args@entry=0x0, argcount=argcount@entry=0, kwnames=kwnames@entry=0x0, kwargs=0x0, kwcount=0, kwstep=2, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=0x0, qualname=0x0) at ../Python/ceval.c:4153
  [Error: ceval.c was not found in source tree]
#56 0x0000000000550b93 in PyEval_EvalCodeEx (closure=0x0, kwdefs=0x0, defcount=0, defs=0x0, kwcount=0, kws=0x0, argcount=0, args=0x0, locals=locals@entry=0x7fabf1c0f270, globals=globals@entry=0x7fabf04966f0, _co=_co@entry=0x7fabf04966f0) at ../Python/ceval.c:4174
  [Error: ceval.c was not found in source tree]
#57 PyEval_EvalCode (co=co@entry=0x7fabf04966f0, globals=globals@entry=0x7fabf1bf5360, locals=locals@entry=0x7fabf1bf5360) at ../Python/ceval.c:730
  [Error: ceval.c was not found in source tree]
#58 0x000000000042b519 in run_mod (arena=0x7fabf1c0f270, flags=0x7ffc7aab663c, locals=0x7fabf1bf5360, globals=0x7fabf1bf5360, filename=0x7fabf04e2d30, mod=0x184e200) at ../Python/pythonrun.c:1025
  [Error: pythonrun.c was not found in source tree]
#59 PyRun_FileExFlags (fp=0x1811c00, filename_str=<optimized out>, start=<optimized out>, globals=0x7fabf1bf5360, locals=0x7fabf1bf5360, closeit=1, flags=0x7ffc7aab663c) at ../Python/pythonrun.c:978
  [Error: pythonrun.c was not found in source tree]
#60 0x000000000042b705 in PyRun_SimpleFileExFlags (fp=0x1811c00, filename=<optimized out>, closeit=1, flags=0x7ffc7aab663c) at ../Python/pythonrun.c:420
  [Error: pythonrun.c was not found in source tree]
#61 0x0000000000441fcb in run_file (p_cf=0x7ffc7aab663c, filename=0x1762630 L"/usr/lib/mate-applets/mate-dock-applet/dock_applet.py", fp=0x1811c00) at ../Modules/main.c:340
  [Error: main.c was not found in source tree]
#62 Py_Main (argc=argc@entry=2, argv=argv@entry=0x1761260) at ../Modules/main.c:810
  [Error: main.c was not found in source tree]
#63 0x0000000000421ff4 in main (argc=2, argv=<optimized out>) at ../Programs/python.c:69
  [Error: python.c was not found in source tree]