#0  0x00007f3c8e734677 in g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x69506b6447203a29, fundamental_type=fundamental_type@entry=80) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gobject/gtype.c:4023
#1  0x00007f3c8e713e4e in g_object_ref (_object=_object@entry=0x69506b6447203a29) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gobject/gobject.c:3206
        _g_boolean_var_ = <optimized out>
        object = 0x69506b6447203a29
        old_val = <optimized out>
#2  0x00007f3c8f79c848 in g_task_new (source_object=source_object@entry=0x952b90, cancellable=cancellable@entry=0x69506b6447203a29, callback=callback@entry=0x7f3c8f774b70 <async_ready_callback_wrapper>, callback_data=callback_data@entry=0x73dd10) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/gtask.c:698
        task = 0x7f3c780046b0 [GTask]
        source = <optimized out>
#3  0x00007f3c8f774e0f in g_input_stream_real_read_async (stream=0x952b90 [GLocalFileInputStream], buffer=0x2d66756278, count=32768, io_priority=300, cancellable=0x69506b6447203a29, callback=0x7f3c8f774b70 <async_ready_callback_wrapper>, user_data=0x73dd10) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/ginputstream.c:1383
        task = <optimized out>
        op = 0x7f3c74007c20
#4  0x00007f3c8f773f52 in g_input_stream_read_async (stream=stream@entry=0x952b90 [GLocalFileInputStream], buffer=0x2d66756278, count=count@entry=32768, io_priority=io_priority@entry=300, cancellable=0x69506b6447203a29, callback=callback@entry=0x421650 <xfce_backdrop_file_input_stream_ready_cb>, user_data=0x73dd10) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/ginputstream.c:633
        class = 0x7f3c74001e20
        error = 0x0
        __func__ = "g_input_stream_read_async"
#5  0x00000000004216ed in xfce_backdrop_file_input_stream_ready_cb (source_object=0x952b90 [GLocalFileInputStream], res=0x6ffbb0, user_data=0x73dd10) at /scratch/local/bee-root/xfdesktop/xfdesktop-4.13.2-0/source/src/xfce-backdrop.c:2013
        stream = 0x952b90 [GLocalFileInputStream]
        image_data = 0x73dd10
        bytes = <optimized out>
#6  0x00007f3c8f774b9a in async_ready_callback_wrapper (source_object=0x952b90 [GLocalFileInputStream], res=0x6ffbb0, user_data=0x73dd10) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/ginputstream.c:532
        stream = 0x952b90 [GLocalFileInputStream]
#7  0x00007f3c8f79c4c3 in g_task_return_now (task=0x6ffbb0 [GTask]) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/gtask.c:1148
#8  0x00007f3c8f79c4f9 in complete_in_idle_cb (task=0x6ffbb0) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/gtask.c:1162
#9  0x00007f3c8e435705 in g_main_dispatch (context=0x684510) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3177
        dispatch = 0x7f3c8e432230 <g_idle_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x6ffbb0
        callback = 0x7f3c8f79c4f0 <complete_in_idle_cb>
        cb_funcs = 0x7f3c8e6fd8e0 <g_source_callback_funcs>
        cb_data = 0x7f3c6c002830
        need_destroy = <optimized out>
        source = 0x7f3c6c003ac0
        current = 0x6fc130
        i = 0
#10 0x00007f3c8e435705 in g_main_context_dispatch (context=context@entry=0x684510) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3830
#11 0x00007f3c8e435aa8 in g_main_context_iterate (context=0x684510, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3903
        max_priority = 300
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 6
        fds = 0xa172b0
#12 0x00007f3c8e435db2 in g_main_loop_run (loop=0xa17c40) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:4099
        __func__ = "g_main_loop_run"
#13 0x00007f3c901e8655 in gtk_main () at /dev/shm/bee-pmenzel/gtk3/gtk3-3.22.30-1/source/gtk/gtkmain.c:1323
        loop = 0xa17c40
#14 0x000000000042949c in xfdesktop_application_start (app=0x680150 [XfdesktopApplication]) at /scratch/local/bee-root/xfdesktop/xfdesktop-4.13.2-0/source/src/xfdesktop-application.c:764
        settings = <optimized out>
        gdpy = 0x697010 [GdkX11Display]
        error = 0x0
        buf = "/backdrop/screen0/\000\000\000\000\000\000x\215\365\221<\177\000\000 c9\300\374\177\000\000\352\243\214\222<\177", '\000' <repeats 18 times>, "\320[p\000\000\000\000\000\274\001\000\000\000\000\000\000\220`p\000\000\000\000\000\277\276^\215<\177\000\000pXp", '\000' <repeats 13 times>, "HLn\000\000\000\000\000\224\231_\210 \000\000\000 `9\300\002\000\000\000\200\037\000\000\377\377\000\000<|_\210<\177\000\000\000\000\000\000\000\000\000\000 \000\000\000\000\000\000\000\001\000\b", '\000' <repeats 13 times>, " \000\000\000\000\000\000\000\001\000\b\000\000\000\000\000\357\304"...
        __func__ = "xfdesktop_application_start"
#15 0x0000000000429690 in cb_wait_for_window_manager_destroyed (data=0x6f74f0) at /scratch/local/bee-root/xfdesktop/xfdesktop-4.13.2-0/source/src/xfdesktop-application.c:587
        wfwm = 0x6f74f0
#16 0x00007f3c8e432293 in g_source_callback_unref (cb_data=0x7f3c780086f0) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:1546
        callback = 0x7f3c780086f0
        cb_data = 0x7f3c780086f0
        callback = 0x7f3c780086f0
#17 0x00007f3c8e432ccc in g_source_destroy_internal (source=0x712610, context=0x684510, have_lock=1) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:1236
        tmp_list = <optimized out>
        old_cb_data = 0x7f3c780086f0
        old_cb_funcs = 0x7f3c8e6fd8e0 <g_source_callback_funcs>
#18 0x00007f3c8e435790 in g_main_dispatch (context=0x684510) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3201
        dispatch = 0x7f3c8e436140 <g_timeout_dispatch>
        prev_source = <optimized out>
        was_in_call = 0
        user_data = 0x6f74f0
        callback = 0x429560 <cb_wait_for_window_manager>
        cb_funcs = <optimized out>
        cb_data = 0x7f3c780086f0
        need_destroy = <optimized out>
        source = 0x712610
        current = 0x6fc130
        i = 0
#19 0x00007f3c8e435790 in g_main_context_dispatch (context=context@entry=0x684510) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3830
#20 0x00007f3c8e435aa8 in g_main_context_iterate (context=context@entry=0x684510, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3903
        max_priority = 2147483647
        timeout = 49
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 3
        fds = 0x7128d0
#21 0x00007f3c8e435b2c in g_main_context_iteration (context=context@entry=0x684510, may_block=may_block@entry=1) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/glib/gmain.c:3964
        retval = <optimized out>
#22 0x00007f3c8f7b198d in g_application_run (application=0x680150 [XfdesktopApplication], argc=argc@entry=5, argv=argv@entry=0x7ffcc03965d8) at /scratch/local/bee-root/glib2/glib2-2.56.1-0/source/gio/gapplication.c:2470
        arguments = 0x67c1c0
        status = 0
        context = 0x684510
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#23 0x000000000042a5bd in xfdesktop_application_run (app=app@entry=0x680150 [XfdesktopApplication], argc=argc@entry=5, argv=argv@entry=0x7ffcc03965d8) at /scratch/local/bee-root/xfdesktop/xfdesktop-4.13.2-0/source/src/xfdesktop-application.c:773
#24 0x000000000041a242 in main (argc=5, argv=0x7ffcc03965d8) at /scratch/local/bee-root/xfdesktop/xfdesktop-4.13.2-0/source/src/main.c:58
        app = 0x680150 [XfdesktopApplication]
        ret = 0