I haven't had enough time and energy to do this sooner, but I've reproduced the bug in fedora 22 and reported this issue upstream.
I reported it here: https://bugzilla.gnome.org/show_bug.cgi?id=756971 ** Bug watch added: GNOME Bug Tracker #756971 https://bugzilla.gnome.org/show_bug.cgi?id=756971 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1503718 Title: control-center, wacom-tablet: Calibration window is unresponsive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1503718/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
