This is invalid, I have seen that Firefox is to blame for this, it can not handle SIGTERM: https://bugzilla.mozilla.org/show_bug.cgi?id=336193
** Bug watch added: Mozilla Bugzilla #336193 https://bugzilla.mozilla.org/show_bug.cgi?id=336193 ** Changed in: xfce4 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1603616 Title: restart terminates applications the hard way To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4/+bug/1603616/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs