#0  0x00007f39db09d9a5 in malloc_consolidate (av=av@entry=0x7f39db3f8c40 <main_arena>) at malloc.c:4456
  [Error: malloc.c was not found in source tree]
#1  0x00007f39db0a17d8 in _int_malloc (av=av@entry=0x7f39db3f8c40 <main_arena>, bytes=bytes@entry=3340) at malloc.c:3703
  [Error: malloc.c was not found in source tree]
#2  0x00007f39db0a42ed in __GI___libc_malloc (bytes=3340) at malloc.c:3065
  [Error: malloc.c was not found in source tree]
#3  0x00007f39daff1cae in read_packet (c=0x55d253560a30) at ../../src/xcb_in.c:259
  [Error: xcb_in.c was not found in source tree]
#4  _xcb_in_read (c=c@entry=0x55d253560a30) at ../../src/xcb_in.c:1018
  [Error: xcb_in.c was not found in source tree]
#5  0x00007f39dafefbd5 in _xcb_conn_wait () at ../../src/xcb_conn.c:515
  [Error: xcb_conn.c was not found in source tree]
#6  0x00007f39daff124f in wait_for_reply (c=c@entry=0x55d253560a30, request=request@entry=284736, e=e@entry=0x7fff7b2e2d50) at ../../src/xcb_in.c:516
  [Error: xcb_in.c was not found in source tree]
#7  0x00007f39daff13c1 in xcb_wait_for_reply64 (c=c@entry=0x55d253560a30, request=284736, e=e@entry=0x7fff7b2e2d50) at ../../src/xcb_in.c:560
  [Error: xcb_in.c was not found in source tree]
#8  0x00007f39dd6e3e08 in _XReply (dpy=dpy@entry=0x55d25355f750, rep=rep@entry=0x7fff7b2e2e10, extra=extra@entry=0, discard=discard@entry=0) at ../../src/xcb_io.c:596
  [Error: xcb_io.c was not found in source tree]
#9  0x00007f39d8d75c5c in doGetScreenResources (dpy=0x55d25355f750, window=311, poll=poll@entry=0) at ../../src/XrrScreen.c:87
  [Error: XrrScreen.c was not found in source tree]
#10 0x00007f39d8d76217 in XRRGetScreenResourcesCurrent (dpy=<optimized out>, window=<optimized out>) at ../../src/XrrScreen.c:222
  [Error: XrrScreen.c was not found in source tree]
#11 0x00007f39dbac6df8 in init_randr15 (changed=<synthetic pointer>, screen=0x55d253574070) at ../../../../../gdk/x11/gdkscreen-x11.c:419
  [Error: gdkscreen-x11.c was not found in source tree]
#12 init_multihead (screen=screen@entry=0x55d253574070) at ../../../../../gdk/x11/gdkscreen-x11.c:872
  [Error: gdkscreen-x11.c was not found in source tree]
#13 0x00007f39dbac7f29 in process_monitors_change (screen=0x55d253574070) at ../../../../../gdk/x11/gdkscreen-x11.c:1022
  [Error: gdkscreen-x11.c was not found in source tree]
#14 0x00007f39dbac83e1 in _gdk_x11_screen_size_changed (screen=screen@entry=0x55d253574070, event=event@entry=0x7fff7b2e30e0) at ../../../../../gdk/x11/gdkscreen-x11.c:1061
  [Error: gdkscreen-x11.c was not found in source tree]
#15 0x00007f39dbab77c4 in gdk_x11_display_translate_event (translator=<optimized out>, display=0x55d25356e010, event=0x55d253a04810, xevent=0x7fff7b2e30e0) at ../../../../../gdk/x11/gdkdisplay-x11.c:1200
  [Error: gdkdisplay-x11.c was not found in source tree]
#16 0x00007f39dbabedd8 in _gdk_x11_event_translator_translate (translator=0x55d25356e010, display=0x55d25356e010, xevent=xevent@entry=0x7fff7b2e30e0) at ../../../../../gdk/x11/gdkeventtranslator.c:51
  [Error: gdkeventtranslator.c was not found in source tree]
#17 0x00007f39dbabe8b5 in gdk_event_source_translate_event (xevent=0x7fff7b2e30e0, event_source=0x55d25358a1e0) at ../../../../../gdk/x11/gdkeventsource.c:243
  [Error: gdkeventsource.c was not found in source tree]
#18 _gdk_x11_display_queue_events (display=0x55d25356e010) at ../../../../../gdk/x11/gdkeventsource.c:341
  [Error: gdkeventsource.c was not found in source tree]
#19 0x00007f39dba85b60 in gdk_display_get_event (display=display@entry=0x55d25356e010) at ../../../../gdk/gdkdisplay.c:438
  [Error: gdkdisplay.c was not found in source tree]
#20 0x00007f39dbabe512 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at ../../../../../gdk/x11/gdkeventsource.c:363
  [Error: gdkeventsource.c was not found in source tree]
#21 0x00007f39db66abce in g_main_dispatch (context=0x55d253556510) at ../../../../glib/gmain.c:3182
  [Error: gmain.c was not found in source tree]
#22 g_main_context_dispatch (context=context@entry=0x55d253556510) at ../../../../glib/gmain.c:3847
  [Error: gmain.c was not found in source tree]
#23 0x00007f39db66ae68 in g_main_context_iterate (context=0x55d253556510, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3920
  [Error: gmain.c was not found in source tree]
#24 0x00007f39db66b162 in g_main_loop_run (loop=0x55d2539106d0) at ../../../../glib/gmain.c:4116
  [Error: gmain.c was not found in source tree]
#25 0x00007f39dbdc2ed5 in gtk_main () at ../../../../gtk/gtkmain.c:1323
  [Error: gtkmain.c was not found in source tree]
#26 0x000055d251d5513b in xfdesktop_application_start (app=0x55d253552150) at xfdesktop-application.c:764
  759:     } else {
  760:         g_warning("Unable to set up POSIX signal handlers: %s", error->message);
  761:         g_clear_error(&error);
  762:     }
  763: 
  764:     gtk_main();
  765: 
  766:     /* now that main has started we can release our hold */
  767:     g_application_release(G_APPLICATION(app));
  768: }
  769: 
#27 0x000055d251d55356 in cb_wait_for_window_manager_destroyed (data=0x7f39c4011440) at xfdesktop-application.c:587
  582:         XF_DEBUG("found window manager after %d tries", wfwm->counter);
  583:     }
  584: 
  585:     /* start loading the desktop, hopefully a window manager is found, but it
  586:      * also works without it */
  587:     xfdesktop_application_start(wfwm->app);
  588: 
  589:     wait_for_window_manager_cleanup(wfwm);
  590: }
  591: 
  592: static void
#28 0x00007f39db667473 in g_source_callback_unref (cb_data=0x55d253559ea0) at ../../../../glib/gmain.c:1551
  [Error: gmain.c was not found in source tree]
#29 0x00007f39db667eae in g_source_destroy_internal (source=0x55d2535e7670, context=0x55d253556510, have_lock=1) at ../../../../glib/gmain.c:1236
  [Error: gmain.c was not found in source tree]
#30 0x00007f39db66ab08 in g_main_dispatch (context=0x55d253556510) at ../../../../glib/gmain.c:3206
  [Error: gmain.c was not found in source tree]
#31 g_main_context_dispatch (context=context@entry=0x55d253556510) at ../../../../glib/gmain.c:3847
  [Error: gmain.c was not found in source tree]
#32 0x00007f39db66ae68 in g_main_context_iterate (context=context@entry=0x55d253556510, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3920
  [Error: gmain.c was not found in source tree]
#33 0x00007f39db66aefc in g_main_context_iteration (context=context@entry=0x55d253556510, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3981
  [Error: gmain.c was not found in source tree]
#34 0x00007f39db830e7d in g_application_run (application=0x55d253552150, argc=<optimized out>, argv=0x7fff7b2e3a58) at ../../../../gio/gapplication.c:2470
  [Error: gapplication.c was not found in source tree]
#35 0x000055d251d44b58 in main (argc=5, argv=0x7fff7b2e3a58) at main.c:58
  53:     /* bind gettext textdomain */
  54:     xfce_textdomain(GETTEXT_PACKAGE, LOCALEDIR, "UTF-8");
  55: 
  56:     app = xfdesktop_application_get();
  57: 
  58:     ret = xfdesktop_application_run(app, argc, argv);
  59: 
  60:     g_object_unref(app);
  61: 
  62:     return ret;
  63: }