Thank you all, it does appear to have been the shift switcher in my case, now disabled.
-- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/808007 Title: compiz crashed with signal 5 in Glib::exception_handlers_invoke() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/808007/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp