#0  0x0000000000000000 in ?? ()
#1  0x00007f4380a40bb8 in ffi_call_unix64 () at ../src/x86/unix64.S:75
  [Error: ../src/x86/unix64.S was not found in source tree]
#2  0x00007f4380a405c0 in ffi_call (cif=cif@entry=0x89bf40, fn=0x0, rvalue=rvalue@entry=0x7fff24b7757c, avalue=avalue@entry=0x89bf60) at ../src/x86/ffi64.c:492
  [Error: ../src/x86/ffi64.c was not found in source tree]
#3  0x00007f4381c8cdcf in wl_closure_invoke (closure=closure@entry=0x89be90, target=target@entry=0x80f010, func=<optimized out>, data=0x80a8b0) at ../../src/connection.c:908
  [Error: ../../src/connection.c was not found in source tree]
#4  0x00007f4381c8a644 in dispatch_event (display=0x80a9e0, queue=<optimized out>) at ../../src/wayland-client.c:839
  [Error: ../../src/wayland-client.c was not found in source tree]
#5  dispatch_queue (display=0x80a9e0, queue=0x80aa68, block=block@entry=1) at ../../src/wayland-client.c:893
  [Error: ../../src/wayland-client.c was not found in source tree]
#6  0x00007f4381c8b282 in wl_display_dispatch (display=<optimized out>) at ../../src/wayland-client.c:979
  [Error: ../../src/wayland-client.c was not found in source tree]
#7  0x000000000040672d in handle_display_data (task=0x80a920, events=<optimized out>) at window.c:3857
  3852: 		display_exit(display);
  3853: 		return;
  3854: 	}
  3855: 
  3856: 	if (events & EPOLLIN) {
  3857: 		ret = wl_display_dispatch(display->display);
  3858: 		if (ret == -1) {
  3859: 			display_exit(display);
  3860: 			return;
  3861: 		}
  3862: 	}
#8  0x000000000040b607 in display_run (display=0x80a8b0) at window.c:4168
  4163: 
  4164: 		count = epoll_wait(display->epoll_fd,
  4165: 				   ep, ARRAY_LENGTH(ep), -1);
  4166: 		for (i = 0; i < count; i++) {
  4167: 			task = ep[i].data.ptr;
  4168: 			task->run(task, ep[i].events);
  4169: 		}
  4170: 	}
  4171: }
  4172: 
  4173: void
#9  0x0000000000404ba7 in main (argc=<optimized out>, argv=<optimized out>) at desktop-shell.c:1132
  1127: 	if (ret < 0)
  1128: 		add_default_launcher(&desktop);
  1129: 
  1130: 	signal(SIGCHLD, sigchild_handler);
  1131: 
  1132: 	display_run(desktop.display);
  1133: 
  1134: 	/* Cleanup */
  1135: 	grab_surface_destroy(&desktop);
  1136: 	desktop_destroy_outputs(&desktop);
  1137: 	if (desktop.unlock_dialog)