This appears too in Ubuntu 16.10 (Development branch) with Eclipse 4.5.1, pressing submenus. 100% reproducible
Gtk:ERROR:/build/gtk+3.0-JTuwRW/gtk+3.0-3.18.5/./gtk/a11y/gtkaccessibility.c:564:gail_focus_notify_when_idle: code should not be reached -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1483430 Title: /usr/bin/mate- panel:ERROR:/build/buildd/gtk+2.0-2.24.27/modules/other/gail/gail.c:622:gail_focus_notify_when_idle: code should not be reached To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mate-panel/+bug/1483430/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs