work around: Add to gnome-panel a custom application launcher with command as "xkill". It works very well.
Thanks to http://useranswer.com/answer/how-to-add-force-quit-icon-in- ubuntu-12-04/ -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in Ubuntu. https://bugs.launchpad.net/bugs/1006490 Title: Gnome Classic 12.04 panel applet “Force Quit” locks up system, hardware reboot to recover To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-panel/+bug/1006490/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
