I found this http://gentoo-wiki.com/HOWTO_XGL/Troubleshooting#Shift_backspace is a solution
-- Shift+Backspace Kill X https://bugs.launchpad.net/bugs/46814 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs