For about 5 years now, xfdesktop has been crashing when the monitor powers on or when the monitor wakes from sleep. Even after seemingly related bugs are fixed, the problems persists. For example, bug 14609 was closed, but the issue persists unchanged. Stack trace of thread 9858: #0 0x00007fca15739110 g_type_check_instance_is_a (libgobject-2.0.so.0) #1 0x000055f0ee15f16a xfce_backdrop_loader_closed_cb (xfdesktop) #2 0x00007fca15714742 g_closure_invoke (libgobject-2.0.so.0) #3 0x00007fca15728604 signal_emit_unlocked_R (libgobject-2.0.so.0) #4 0x00007fca157313ae g_signal_emit_valist (libgobject-2.0.so.0) #5 0x00007fca157319d3 g_signal_emit (libgobject-2.0.so.0) #6 0x00007fca1594b283 gdk_pixbuf_loader_close (libgdk_pixbuf-2.0.so.0) #7 0x00007fca1581070a g_task_return_now (libgio-2.0.so.0) #8 0x00007fca1581074d complete_in_idle_cb (libgio-2.0.so.0) #9 0x00007fca15626e8b g_idle_dispatch (libglib-2.0.so.0) #10 0x00007fca1562a570 g_main_context_dispatch (libglib-2.0.so.0) #11 0x00007fca1562a900 g_main_context_iterate.isra.0 (libglib-2.0.so.0) #12 0x00007fca1562abf3 g_main_loop_run (libglib-2.0.so.0) #13 0x00007fca15e2b3bd gtk_main (libgtk-3.so.0) #14 0x000055f0ee1670dc xfdesktop_application_start (xfdesktop) #15 0x000055f0ee1672fc cb_wait_for_window_manager_destroyed (xfdesktop) #16 0x00007fca15626ee3 g_source_callback_unref (libglib-2.0.so.0) #17 0x00007fca156286bc g_source_destroy_internal (libglib-2.0.so.0) #18 0x00007fca1562a618 g_main_context_dispatch (libglib-2.0.so.0) #19 0x00007fca1562a900 g_main_context_iterate.isra.0 (libglib-2.0.so.0) #20 0x00007fca1562a9a3 g_main_context_iteration (libglib-2.0.so.0) #21 0x00007fca1583e2d5 g_application_run (libgio-2.0.so.0) #22 0x000055f0ee15644f main (xfdesktop) #23 0x00007fca154131a3 __libc_start_main (libc.so.6) #24 0x000055f0ee15649e _start (xfdesktop) Stack trace of thread 1044527: #0 0x00007fca154e81ed syscall (libc.so.6) #1 0x00007fca15676d36 g_cond_wait_until (libglib-2.0.so.0) #2 0x00007fca155fb461 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0) #3 0x00007fca156548ba g_thread_pool_thread_proxy (libglib-2.0.so.0) #4 0x00007fca15654022 g_thread_proxy (libglib-2.0.so.0) #5 0x00007fca155be4e2 start_thread (libpthread.so.0) #6 0x00007fca154ed6d3 __clone (libc.so.6) Stack trace of thread 9862: #0 0x00007fca154e2a6f __poll (libc.so.6) #1 0x00007fca1562a86e g_main_context_iterate.isra.0 (libglib-2.0.so.0) #2 0x00007fca1562abf3 g_main_loop_run (libglib-2.0.so.0) #3 0x00007fca15879fca gdbus_shared_thread_func (libgio-2.0.so.0) #4 0x00007fca15654022 g_thread_proxy (libglib-2.0.so.0) #5 0x00007fca155be4e2 start_thread (libpthread.so.0) #6 0x00007fca154ed6d3 __clone (libc.so.6) Stack trace of thread 9861: #0 0x00007fca154e2a6f __poll (libc.so.6) #1 0x00007fca1562a86e g_main_context_iterate.isra.0 (libglib-2.0.so.0) #2 0x00007fca1562a9a3 g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fca1562a9f1 glib_worker_main (libglib-2.0.so.0) #4 0x00007fca15654022 g_thread_proxy (libglib-2.0.so.0) #5 0x00007fca155be4e2 start_thread (libpthread.so.0) #6 0x00007fca154ed6d3 __clone (libc.so.6)
*** This bug has been marked as a duplicate of bug 16095 ***