#0  0x00007f7e2de3b845 in acquire_cb (source=<optimized out>, result=<optimized out>, user_data=0x563bd0111040) at ../../../../gtk/gtklockbutton.c:418
  [Error: gtklockbutton.c was not found in source tree]
#1  0x00007f7e2eafa026 in g_simple_async_result_complete (simple=0x563bd0410560) at ../../../../gio/gsimpleasyncresult.c:802
  [Error: gsimpleasyncresult.c was not found in source tree]
#2  0x00007f7e2c944bf6 in acquire_cb (source_object=<optimized out>, res=<optimized out>, user_data=0x563bd03d3860) at polkitpermission.c:579
  [Error: polkitpermission.c was not found in source tree]
#3  0x00007f7e2eafa026 in g_simple_async_result_complete (simple=0x563bd04104f0) at ../../../../gio/gsimpleasyncresult.c:802
  [Error: gsimpleasyncresult.c was not found in source tree]
#4  0x00007f7e2c93c04d in check_authorization_cb (proxy=<optimized out>, res=<optimized out>, user_data=0x563bd03d0670) at polkitauthority.c:835
  [Error: polkitauthority.c was not found in source tree]
#5  0x00007f7e2eb0c093 in g_task_return_now (task=0x563bd011b410) at ../../../../gio/gtask.c:1148
  [Error: gtask.c was not found in source tree]
#6  0x00007f7e2eb0cab6 in g_task_return (task=0x563bd011b410, type=<optimized out>) at ../../../../gio/gtask.c:1206
  [Error: gtask.c was not found in source tree]
#7  0x00007f7e2eb4b3a9 in reply_cb (connection=<optimized out>, res=<optimized out>, user_data=0x563bd011b410) at ../../../../gio/gdbusproxy.c:2586
  [Error: gdbusproxy.c was not found in source tree]
#8  0x00007f7e2eb0c093 in g_task_return_now (task=0x563bd019e470) at ../../../../gio/gtask.c:1148
  [Error: gtask.c was not found in source tree]
#9  0x00007f7e2eb0cab6 in g_task_return (task=0x563bd019e470, type=<optimized out>) at ../../../../gio/gtask.c:1206
  [Error: gtask.c was not found in source tree]
#10 0x00007f7e2eb3fe89 in g_dbus_connection_call_done (source=<optimized out>, result=0x563bd0405eb0, user_data=0x563bd019e470) at ../../../../gio/gdbusconnection.c:5722
  [Error: gdbusconnection.c was not found in source tree]
#11 0x00007f7e2eb0c093 in g_task_return_now (task=0x563bd0405eb0) at ../../../../gio/gtask.c:1148
  [Error: gtask.c was not found in source tree]
#12 0x00007f7e2eb0cab6 in g_task_return (task=0x563bd0405eb0, type=<optimized out>) at ../../../../gio/gtask.c:1206
  [Error: gtask.c was not found in source tree]
#13 0x00007f7e2eb0d600 in g_task_return_new_error (task=task@entry=0x563bd0405eb0, domain=domain@entry=966, code=code@entry=19, format=format@entry=0x7f7e2ebb7905 "%s") at ../../../../gio/gtask.c:1814
  [Error: gtask.c was not found in source tree]
#14 0x00007f7e2eb39608 in send_message_data_deliver_error (task=0x563bd0405eb0, domain=966, code=19, message=0x7f7e2eb9a421 "Operation was cancelled") at ../../../../gio/gdbusconnection.c:1836
  [Error: gdbusconnection.c was not found in source tree]
#15 0x00007f7e2eb396af in send_message_with_reply_cancelled_idle_cb (user_data=0x563bd0405eb0) at ../../../../gio/gdbusconnection.c:1848
  [Error: gdbusconnection.c was not found in source tree]
#16 0x00007f7e2e5610f5 in g_main_dispatch (context=0x563bcfafc450) at ../../../../glib/gmain.c:3177
  [Error: gmain.c was not found in source tree]
#17 g_main_context_dispatch (context=context@entry=0x563bcfafc450) at ../../../../glib/gmain.c:3830
  [Error: gmain.c was not found in source tree]
#18 0x00007f7e2e5614c0 in g_main_context_iterate (context=context@entry=0x563bcfafc450, block=block@entry=0, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
  [Error: gmain.c was not found in source tree]
#19 0x00007f7e2e56154c in g_main_context_iteration (context=context@entry=0x563bcfafc450, may_block=may_block@entry=0) at ../../../../glib/gmain.c:3964
  [Error: gmain.c was not found in source tree]
#20 0x00007f7e2eb21d9a in g_application_run (application=0x563bcfb06e40, argc=<optimized out>, argv=<optimized out>) at ../../../../gio/gapplication.c:2494
  [Error: gapplication.c was not found in source tree]
#21 0x0000563bcde6ca71 in main (argc=<optimized out>, argv=<optimized out>) at ../shell/main.c:57
  52:   cheese_gtk_init (&argc, &argv);
  53: #endif /* HAVE_CHEESE */
  54: 
  55:   application = cc_application_new ();
  56: 
  57:   return g_application_run (G_APPLICATION (application), argc, argv);
  58: }