#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140684901942656) at ./nptl/pthread_kill.c:44
  [Error: pthread_kill.c was not found in source tree]
#1  __pthread_kill_internal (signo=6, threadid=140684901942656) at ./nptl/pthread_kill.c:78
  [Error: pthread_kill.c was not found in source tree]
#2  __GI___pthread_kill (threadid=140684901942656, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
  [Error: pthread_kill.c was not found in source tree]
#3  0x00007ff3c67a0476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
  [Error: raise.c was not found in source tree]
#4  0x00007ff3c67867f3 in __GI_abort () at ./stdlib/abort.c:79
  [Error: abort.c was not found in source tree]
#5  0x00007ff3c64562f2 in gl_provider_resolver (name=0x7ff3c64bff51 <entrypoint_strings.lto_priv+25745> "glGetShaderiv", providers=0x7ff3c64ce9f8 <providers>, entrypoints=<optimized out>) at src/gl_generated_dispatch.c:75797
  [Error: gl_generated_dispatch.c was not found in source tree]
#6  0x00007ff3c647527a in epoxy_glGetShaderiv_resolver () at src/gl_generated_dispatch.c:89790
  [Error: gl_generated_dispatch.c was not found in source tree]
#7  epoxy_glGetShaderiv_global_rewrite_ptr (shader=1, pname=35713, params=0x7ffef6ac3904) at src/gl_generated_dispatch.c:50149
  [Error: gl_generated_dispatch.c was not found in source tree]
#8  0x00007ff3c7f210f9 in check_shader_error (shader_id=shader_id@entry=1, error=error@entry=0x7ffef6ac3c50) at ../../../gsk/gl/gskglcompiler.c:460
  [Error: gskglcompiler.c was not found in source tree]
#9  0x00007ff3c7f21568 in gsk_gl_compiler_compile (self=0x55c725adb0a0, name=0x7ff3c7ff6bef "blend_no_clip", clip=0x7ff3c7ff676a "#define NO_CLIP 1\n", error=0x7ffef6ac3c50) at ../../../gsk/gl/gskglcompiler.c:600
  [Error: gskglcompiler.c was not found in source tree]
#10 0x00007ff3c7f17701 in gsk_gl_driver_load_programs (error=0x7ffef6ac3c50, self=0x55c7256a2480) at ../../../gsk/gl/gskglprograms.defs:1
  [Error: gskglprograms.defs was not found in source tree]
#11 gsk_gl_driver_new (debug_shaders=0, error=0x7ffef6ac3c50, command_queue=0x55c72556b130) at ../../../gsk/gl/gskgldriver.c:453
  [Error: gskgldriver.c was not found in source tree]
#12 gsk_gl_driver_for_display (debug_shaders=0, error=0x7ffef6ac3c50, display=0x55c725358060) at ../../../gsk/gl/gskgldriver.c:507
  [Error: gskgldriver.c was not found in source tree]
#13 gsk_gl_renderer_realize (renderer=0x55c725adb070, surface=<optimized out>, error=0x7ffef6ac3c50) at ../../../gsk/gl/gskglrenderer.c:143
  [Error: gskglrenderer.c was not found in source tree]
#14 0x00007ff3c7f01aef in gsk_renderer_realize (renderer=renderer@entry=0x55c725adb070, surface=surface@entry=0x55c7256781c0, error=error@entry=0x7ffef6ac3c50) at ../../../gsk/gskrenderer.c:313
  [Error: gskrenderer.c was not found in source tree]
#15 0x00007ff3c7f01c4e in gsk_renderer_new_for_surface (surface=0x55c7256781c0) at ../../../gsk/gskrenderer.c:653
  [Error: gskrenderer.c was not found in source tree]
#16 0x00007ff3c7daf248 in gtk_window_realize (widget=0x55c7256a0400) at ../../../gtk/gtkwindow.c:4338
  [Error: gtkwindow.c was not found in source tree]
#17 0x00007ff3c7b6b0c6 in gtk_application_window_real_realize (widget=0x55c7256a0400) at ../../../gtk/gtkapplicationwindow.c:514
  [Error: gtkapplicationwindow.c was not found in source tree]
#18 0x00007ff3c896ad2f in g_closure_invoke (closure=0x55c725591580, return_value=0x0, n_param_values=1, param_values=0x7ffef6ac3e90, invocation_hint=0x7ffef6ac3e10) at ../../../gobject/gclosure.c:830
  [Error: gclosure.c was not found in source tree]
#19 0x00007ff3c89867d5 in signal_emit_unlocked_R (node=node@entry=0x55c725616c60, detail=detail@entry=0, instance=instance@entry=0x55c7256a0400, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffef6ac3e90) at ../../../gobject/gsignal.c:3673
  [Error: gsignal.c was not found in source tree]
#20 0x00007ff3c8988554 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffef6ac4040) at ../../../gobject/gsignal.c:3496
  [Error: gsignal.c was not found in source tree]
#21 0x00007ff3c89887a3 in g_signal_emit (instance=instance@entry=0x55c7256a0400, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3553
  [Error: gsignal.c was not found in source tree]
#22 0x00007ff3c7d98555 in gtk_widget_realize (widget=0x55c7256a0400) at ../../../gtk/gtkwidget.c:3451
  [Error: gtkwidget.c was not found in source tree]
#23 0x00007ff3c7dad246 in gtk_window_show (widget=0x55c7256a0400) at ../../../gtk/gtkwindow.c:3862
  [Error: gtkwindow.c was not found in source tree]
#24 0x00007ff3c8988640 in _g_closure_invoke_va (param_types=0x0, n_params=0, args=0x7ffef6ac4310, instance=0x55c7256a0400, return_value=<optimized out>, closure=<optimized out>) at ../../../gobject/gclosure.c:893
  [Error: gclosure.c was not found in source tree]
#25 g_signal_emit_valist (instance=0x55c7256a0400, signal_id=80, detail=<optimized out>, var_args=var_args@entry=0x7ffef6ac4310) at ../../../gobject/gsignal.c:3406
  [Error: gsignal.c was not found in source tree]
#26 0x00007ff3c89887a3 in g_signal_emit (instance=instance@entry=0x55c7256a0400, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3553
  [Error: gsignal.c was not found in source tree]
#27 0x00007ff3c7d96aae in gtk_widget_show (widget=0x55c7256a0400) at ../../../gtk/gtkwidget.c:2731
  [Error: gtkwidget.c was not found in source tree]
#28 0x00007ff3c7dad40c in gtk_window_present_with_time (window=<optimized out>, timestamp=0) at ../../../gtk/gtkwindow.c:5278
  [Error: gtkwindow.c was not found in source tree]
#29 0x00007ff3c7dadaab in gtk_window_present (window=<optimized out>) at ../../../gtk/gtkwindow.c:5211
  [Error: gtkwindow.c was not found in source tree]
#30 0x000055c723aaa5f5 in cc_application_command_line (application=application@entry=0x55c725315110, command_line=command_line@entry=0x7ff3a818d4a0) at ../shell/cc-application.c:154
  149:   debug = g_variant_dict_contains (options, "verbose");
  150: 
  151:   if (debug)
  152:     cc_log_init ();
  153: 
  154:   gtk_window_present (GTK_WINDOW (self->window));
  155: 
  156:   if (g_variant_dict_lookup (options, "search", "&s", &search_str))
  157:     {
  158:       cc_window_set_search_item (self->window, search_str);
  159:     }
#31 0x00007ff3c84a1701 in _g_cclosure_marshal_INT__OBJECTv (closure=0x55c7253124a0, return_value=0x7ffef6ac4670, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x55c7252d5190) at ../../../gio/gmarshal-internal.c:845
  [Error: gmarshal-internal.c was not found in source tree]
#32 0x00007ff3c8988640 in _g_closure_invoke_va (param_types=0x55c7252d5190, n_params=1, args=0x7ffef6ac4720, instance=0x55c725315110, return_value=<optimized out>, closure=<optimized out>) at ../../../gobject/gclosure.c:893
  [Error: gclosure.c was not found in source tree]
#33 g_signal_emit_valist (instance=0x55c725315110, signal_id=10, detail=<optimized out>, var_args=var_args@entry=0x7ffef6ac4720) at ../../../gobject/gsignal.c:3406
  [Error: gsignal.c was not found in source tree]
#34 0x00007ff3c89887a3 in g_signal_emit (instance=instance@entry=0x55c725315110, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3553
  [Error: gsignal.c was not found in source tree]
#35 0x00007ff3c8506443 in g_application_call_command_line (exit_status=0x7ffef6ac48f4, options=0x7ff3b4030d00, arguments=<optimized out>, application=0x55c725315110) at ../../../gio/gapplication.c:1080
  [Error: gapplication.c was not found in source tree]
#36 g_application_call_command_line (application=0x55c725315110, arguments=<optimized out>, options=0x7ff3b4030d00, exit_status=0x7ffef6ac48f4) at ../../../gio/gapplication.c:1058
  [Error: gapplication.c was not found in source tree]
#37 0x00007ff3c8508bc9 in g_application_real_local_command_line (application=0x55c725315110, arguments=0x7ffef6ac48f8, exit_status=0x7ffef6ac48f4) at ../../../gio/gapplication.c:1135
  [Error: gapplication.c was not found in source tree]
#38 0x00007ff3c8508db6 in g_application_run (application=0x55c725315110, argc=argc@entry=1, argv=argv@entry=0x7ffef6ac4a78) at ../../../gio/gapplication.c:2538
  [Error: gapplication.c was not found in source tree]
#39 0x000055c723aa28f5 in main (argc=1, argv=0x7ffef6ac4a78) at ../shell/main.c:60
  55:         exit(1);
  56:     }
  57: 
  58:     int xi_opcode, event, error;
  59:     if (!XQueryExtension(display, "XInputExtension", &xi_opcode, &event, &error)) {
  60:         fprintf(stderr, "X Input extension not available.\n");
  61:         exit(1);
  62:     }
  63: 
  64:     /* verbose, get Xi version */
  65:     if (verbose) {