GNOME Bugzilla – Bug 775674
Gdk-CRITICAL **: gdk_window_get_window_type: assertion 'GDK_IS_WINDOW (window)' failed
Last modified: 2016-12-05 23:44:42 UTC
(gdb) bt
+ Trace 236925
Issue is reproducible with gtk3-widget-factory. Start app in terminal and choose "Left / Right / Middle" combo box entries.
*** This bug has been marked as a duplicate of bug 771242 ***