Thread 6 (Thread 0x7f30ee718700 (LWP 6806)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f30f87791e9 in g_cond_wait_until ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#2  0x00007f30f86f62f4 in g_async_queue_pop_intern_unlocked ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#3  0x00007f30f86f6531 in g_async_queue_timeout_pop ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#4  0x00007f30f8756523 in g_thread_pool_wait_for_new_pool ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#5  0x00007f30f87567e7 in g_thread_pool_thread_proxy ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#6  0x00007f30f875614c in g_thread_proxy ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#7  0x00007f30f7fa6e9a in start_thread (arg=0x7f30ee718700)
    at pthread_create.c:308
#8  0x00007f30f7cd439d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

#9  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f30ef11f700 (LWP 6656)):
#0  0x00007f30f7cc89e3 in __GI___poll (fds=<optimized out>, 
    nfds=<optimized out>, timeout=<optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f30f873b717 in g_poll () from /opt/gnome/lib64/libglib-2.0.so.0
#2  0x00007f30f872aeb1 in g_main_context_poll ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#3  0x00007f30f872a83a in g_main_context_iterate ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#4  0x00007f30f872ac95 in g_main_loop_run ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#5  0x00007f30f92f9504 in gdbus_shared_thread_func ()
   from /opt/gnome/lib64/libgio-2.0.so.0
#6  0x00007f30f875614c in g_thread_proxy ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#7  0x00007f30f7fa6e9a in start_thread (arg=0x7f30ef11f700)
    at pthread_create.c:308
#8  0x00007f30f7cd439d in clone ()

    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f30ed716700 (LWP 6659)):
#0  0x00007f30f7cc89e3 in __GI___poll (fds=<optimized out>, 
    nfds=<optimized out>, timeout=<optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f30f873b717 in g_poll () from /opt/gnome/lib64/libglib-2.0.so.0
#2  0x00007f30f872aeb1 in g_main_context_poll ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#3  0x00007f30f872a83a in g_main_context_iterate ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#4  0x00007f30f872a929 in g_main_context_iteration ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#5  0x00007f30ef9d0049 in dconf_gdbus_worker_thread ()
   from /opt/gnome/lib64/gio/modules/libdconfsettings.so
#6  0x00007f30f875614c in g_thread_proxy ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#7  0x00007f30f7fa6e9a in start_thread (arg=0x7f30ed716700)
    at pthread_create.c:308

#8  0x00007f30f7cd439d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f30fbfa29c0 (LWP 6652)):
#0  __lll_lock_wait ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:132
#1  0x00007f30f7fa909b in _L_lock_1006 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f30f7fa901c in __pthread_mutex_lock (mutex=0xcc5e10)
    at pthread_mutex_lock.c:101
#3  0x00007f30f8778a9d in g_mutex_lock ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#4  0x00007f30f959aa35 in _gdk_pixbuf_lock ()
   from /opt/gnome/lib64/libgdk_pixbuf-2.0.so.0
#5  0x00007f30f95a0054 in gdk_pixbuf_loader_load_module ()
   from /opt/gnome/lib64/libgdk_pixbuf-2.0.so.0
#6  0x00007f30f95a01e1 in gdk_pixbuf_loader_eat_header_write ()
   from /opt/gnome/lib64/libgdk_pixbuf-2.0.so.0
#7  0x00007f30f95a035c in gdk_pixbuf_loader_write ()

   from /opt/gnome/lib64/libgdk_pixbuf-2.0.so.0
#8  0x00007f30f959c9f0 in load_from_stream ()
   from /opt/gnome/lib64/libgdk_pixbuf-2.0.so.0
#9  0x00007f30f959cb1c in gdk_pixbuf_new_from_stream_at_scale ()
   from /opt/gnome/lib64/libgdk_pixbuf-2.0.so.0
#10 0x00007f30faf1f4a8 in icon_info_ensure_scale_and_pixbuf ()
   from /opt/gnome/lib64/libgtk-3.so.0
#11 0x00007f30faf1f8b6 in gtk_icon_info_load_icon ()
   from /opt/gnome/lib64/libgtk-3.so.0
#12 0x00007f30faf1cd98 in gtk_icon_theme_load_icon ()
   from /opt/gnome/lib64/libgtk-3.so.0
#13 0x00007f30faf16b45 in render_icon_name_pixbuf ()
   from /opt/gnome/lib64/libgtk-3.so.0
#14 0x00007f30faf16d79 in find_and_render_icon_source ()
   from /opt/gnome/lib64/libgtk-3.so.0
#15 0x00007f30faf1703a in gtk_icon_set_render_icon_pixbuf ()
   from /opt/gnome/lib64/libgtk-3.so.0
#16 0x00007f30faf195bd in ensure_stated_icon_from_info ()
   from /opt/gnome/lib64/libgtk-3.so.0
#17 0x00007f30faf19879 in ensure_pixbuf_for_icon_name_or_gicon ()

   from /opt/gnome/lib64/libgtk-3.so.0
#18 0x00007f30faf19b0f in _gtk_icon_helper_ensure_pixbuf ()
   from /opt/gnome/lib64/libgtk-3.so.0
#19 0x00007f30faf19b88 in _gtk_icon_helper_get_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#20 0x00007f30fae60ac9 in gtk_cell_renderer_pixbuf_get_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#21 0x00007f30fae5c4e4 in gtk_cell_renderer_real_get_preferred_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#22 0x00007f30fae5c58d in gtk_cell_renderer_real_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#23 0x00007f30fae5cd0d in gtk_cell_renderer_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#24 0x00007f30fae50847 in gtk_cell_area_request_renderer ()
   from /opt/gnome/lib64/libgtk-3.so.0
#25 0x00007f30fae53776 in compute_size () from /opt/gnome/lib64/libgtk-3.so.0
#26 0x00007f30fae5409c in gtk_cell_area_box_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#27 0x00007f30fae4bd79 in gtk_cell_area_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0

#28 0x00007f30fb0f5d5d in gtk_tree_view_column_cell_get_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#29 0x00007f30fb0d86e5 in validate_row () from /opt/gnome/lib64/libgtk-3.so.0
#30 0x00007f30fb0da063 in do_validate_rows ()
   from /opt/gnome/lib64/libgtk-3.so.0
#31 0x00007f30fb0ceb62 in gtk_tree_view_size_request ()
   from /opt/gnome/lib64/libgtk-3.so.0
#32 0x00007f30fb0cebf2 in gtk_tree_view_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#33 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#34 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#35 0x00007f30faffc463 in gtk_scrolled_window_get_preferred_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#36 0x00007f30faffc8bf in gtk_scrolled_window_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#37 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#38 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()

   from /opt/gnome/lib64/libgtk-3.so.0
#39 0x00007f30fae2eb43 in gtk_box_get_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#40 0x00007f30fae2ecd9 in gtk_box_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#41 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#42 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#43 0x00007f30fae2eb43 in gtk_box_get_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#44 0x00007f30fae2ecd9 in gtk_box_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#45 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#46 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#47 0x00007f30faf9674b in get_preferred_size_for_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#48 0x00007f30faf96949 in gtk_notebook_size_request ()

   from /opt/gnome/lib64/libgtk-3.so.0
#49 0x00007f30faf96e66 in gtk_notebook_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#50 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#51 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#52 0x00007f30fae2eb43 in gtk_box_get_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#53 0x00007f30fae2ecd9 in gtk_box_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#54 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#55 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#56 0x00007f30fb12b65e in gtk_window_get_preferred_width ()
   from /opt/gnome/lib64/libgtk-3.so.0
#57 0x00007f30fb00d838 in compute_size_for_orientation ()
   from /opt/gnome/lib64/libgtk-3.so.0
#58 0x00007f30fb00de74 in gtk_widget_get_preferred_width ()

   from /opt/gnome/lib64/libgtk-3.so.0
#59 0x00007f30fb00e2ac in gtk_widget_get_preferred_size ()
   from /opt/gnome/lib64/libgtk-3.so.0
#60 0x00007f30fb12ceb6 in gtk_window_compute_hints ()
   from /opt/gnome/lib64/libgtk-3.so.0
#61 0x00007f30fb12beac in gtk_window_compute_configure_request ()
   from /opt/gnome/lib64/libgtk-3.so.0
#62 0x00007f30fb12c590 in gtk_window_move_resize ()
   from /opt/gnome/lib64/libgtk-3.so.0
#63 0x00007f30fb12afb7 in gtk_window_check_resize ()
   from /opt/gnome/lib64/libgtk-3.so.0
#64 0x00007f30f8a37417 in g_cclosure_marshal_VOID__VOIDv ()
   from /opt/gnome/lib64/libgobject-2.0.so.0
#65 0x00007f30f8a3495c in g_type_class_meta_marshalv ()
   from /opt/gnome/lib64/libgobject-2.0.so.0
#66 0x00007f30f8a3451f in _g_closure_invoke_va ()
   from /opt/gnome/lib64/libgobject-2.0.so.0
#67 0x00007f30f8a502c1 in g_signal_emit_valist ()
   from /opt/gnome/lib64/libgobject-2.0.so.0
#68 0x00007f30f8a514e5 in g_signal_emit ()

   from /opt/gnome/lib64/libgobject-2.0.so.0
#69 0x00007f30fae8e920 in gtk_container_check_resize ()
   from /opt/gnome/lib64/libgtk-3.so.0
#70 0x00007f30fae8e3c6 in gtk_container_idle_sizer ()
   from /opt/gnome/lib64/libgtk-3.so.0
#71 0x00007f30faad4668 in gdk_threads_dispatch ()
   from /opt/gnome/lib64/libgdk-3.so.0
#72 0x00007f30f872c115 in g_idle_dispatch ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#73 0x00007f30f8729ad2 in g_main_dispatch ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#74 0x00007f30f872a682 in g_main_context_dispatch ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#75 0x00007f30f872a865 in g_main_context_iterate ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#76 0x00007f30f872a929 in g_main_context_iteration ()
   from /opt/gnome/lib64/libglib-2.0.so.0
#77 0x00007f30f92b3f94 in g_application_run ()
   from /opt/gnome/lib64/libgio-2.0.so.0
#78 0x0000000000451c52 in main ()

