Thread 5 (Thread 0x7f9d0f06e700 (LWP 11450)):
#0  0x00007f9d318fc32d in poll () from /lib64/libc.so.6
#1  0x00007f9d18e03981 in poll_func () from /lib64/libpulse.so.0
#2  0x00007f9d18df5161 in pa_mainloop_poll () from /lib64/libpulse.so.0
#3  0x00007f9d18df57fe in pa_mainloop_iterate () from /lib64/libpulse.so.0
#4  0x00007f9d18df58b0 in pa_mainloop_run () from /lib64/libpulse.so.0
#5  0x00007f9d18e038c9 in thread () from /lib64/libpulse.so.0
#6  0x00007f9d18ba518b in internal_thread_func () from /usr/lib64/pulseaudio/libpulsecommon-8.0.so
#7  0x00007f9d31bce5ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007f9d31907ead in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f9d1b008700 (LWP 11439)):
#0  0x00007f9d318fc32d in poll () from /lib64/libc.so.6
#1  0x00007f9d32348a46 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f9d32348b5c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f9d1bdf9fad in dconf_gdbus_worker_thread () from /usr/lib64/gio/modules/libdconfsettings.so
#4  0x00007f9d3236ed38 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f9d31bce5ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f9d31907ead in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f9d20f25700 (LWP 11435)):
#0  0x00007f9d318fc32d in poll () from /lib64/libc.so.6
#1  0x00007f9d32348a46 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f9d32348dd2 in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3  0x00007f9d32941f76 in gdbus_shared_thread_func () from /lib64/libgio-2.0.so.0
#4  0x00007f9d3236ed38 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f9d31bce5ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f9d31907ead in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f9d21726700 (LWP 11434)):
#0  0x00007f9d318fc32d in poll () from /lib64/libc.so.6
#1  0x00007f9d32348a46 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f9d32348b5c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f9d32348ba1 in glib_worker_main () from /lib64/libglib-2.0.so.0
#4  0x00007f9d3236ed38 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f9d31bce5ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f9d31907ead in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f9d34e1da40 (LWP 11432)):
#0  0x00007f9d32bfa7c7 in pixops_process () from /lib64/libgdk_pixbuf-2.0.so.0
#1  0x00007f9d32bfb2e5 in _pixops_scale () from /lib64/libgdk_pixbuf-2.0.so.0
#2  0x00007f9d32bf2ff9 in gdk_pixbuf_scale () from /lib64/libgdk_pixbuf-2.0.so.0
#3  0x00007f9d32bf35b7 in gdk_pixbuf_scale_simple () from /lib64/libgdk_pixbuf-2.0.so.0
#4  0x00005632d6e7e64a in on_preview_configure_event ()
#5  0x00007f9d33eae45c in _gtk_marshal_BOOLEAN__BOXED () from /lib64/libgtk-3.so.0
#6  0x00007f9d3261c3e8 in g_closure_invoke () from /lib64/libgobject-2.0.so.0
#7  0x00007f9d3262e4a2 in signal_emit_unlocked_R () from /lib64/libgobject-2.0.so.0
#8  0x00007f9d32636c5a in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#9  0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#10 0x00007f9d33ff062c in gtk_widget_event_internal () from /lib64/libgtk-3.so.0
#11 0x00007f9d33e2248f in gtk_drawing_area_send_configure () from /lib64/libgtk-3.so.0
#12 0x00007f9d33e225fc in gtk_drawing_area_realize () from /lib64/libgtk-3.so.0
#13 0x00007f9d3261c617 in _g_closure_invoke_va () from /lib64/libgobject-2.0.so.0
#14 0x00007f9d32636ea9 in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#15 0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#16 0x00007f9d33fff3be in gtk_widget_realize () from /lib64/libgtk-3.so.0
#17 0x00007f9d33fff638 in gtk_widget_map () from /lib64/libgtk-3.so.0
#18 0x00007f9d33e62550 in gtk_frame_forall () from /lib64/libgtk-3.so.0
#19 0x00007f9d33dec76f in gtk_container_map () from /lib64/libgtk-3.so.0
#20 0x00007f9d3261c562 in _g_closure_invoke_va () from /lib64/libgobject-2.0.so.0
#21 0x00007f9d32636ea9 in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#22 0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#23 0x00007f9d33fff5f0 in gtk_widget_map () from /lib64/libgtk-3.so.0
#24 0x00007f9d33dec76f in gtk_container_map () from /lib64/libgtk-3.so.0
#25 0x00007f9d3261c562 in _g_closure_invoke_va () from /lib64/libgobject-2.0.so.0
#26 0x00007f9d32636ea9 in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#27 0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#28 0x00007f9d33fff5f0 in gtk_widget_map () from /lib64/libgtk-3.so.0
#29 0x00007f9d33e6b040 in gtk_grid_forall () from /lib64/libgtk-3.so.0
#30 0x00007f9d33dec76f in gtk_container_map () from /lib64/libgtk-3.so.0
#31 0x00007f9d3261c562 in _g_closure_invoke_va () from /lib64/libgobject-2.0.so.0
#32 0x00007f9d32636ea9 in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#33 0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#34 0x00007f9d33fff5f0 in gtk_widget_map () from /lib64/libgtk-3.so.0
#35 0x00007f9d34014c88 in gtk_window_map () from /lib64/libgtk-3.so.0
#36 0x00007f9d3261c617 in _g_closure_invoke_va () from /lib64/libgobject-2.0.so.0
#37 0x00007f9d32636ea9 in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#38 0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#39 0x00007f9d33fff5f0 in gtk_widget_map () from /lib64/libgtk-3.so.0
#40 0x00007f9d3400c7cb in gtk_window_show () from /lib64/libgtk-3.so.0
#41 0x00007f9d3261c3e8 in g_closure_invoke () from /lib64/libgobject-2.0.so.0
#42 0x00007f9d3262de73 in signal_emit_unlocked_R () from /lib64/libgobject-2.0.so.0
#43 0x00007f9d3263712d in g_signal_emit_valist () from /lib64/libgobject-2.0.so.0
#44 0x00007f9d326374ff in g_signal_emit () from /lib64/libgobject-2.0.so.0
#45 0x00007f9d33ff90e2 in gtk_widget_show () from /lib64/libgtk-3.so.0
#46 0x00005632d6e7eb70 in screenshot_dialog_new ()
#47 0x00005632d6e7c943 in build_filename_ready_cb ()
#48 0x00007f9d328e5343 in g_task_return_now () from /lib64/libgio-2.0.so.0
#49 0x00007f9d328e5379 in complete_in_idle_cb () from /lib64/libgio-2.0.so.0
#50 0x00007f9d32348703 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#51 0x00007f9d32348ab0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#52 0x00007f9d32348b5c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#53 0x00007f9d3290b58d in g_application_run () from /lib64/libgio-2.0.so.0
#54 0x00005632d6e7bbf1 in main ()
