After a little googling it turns out that executing: 'rm /tmp/.X0-lock' solves the problem. Now the output is : [20:04][claudiu:/>~]$ sudo kate /etc/bluetooth/hcid.conf QObject::disconnect: Unexpected null parameter [20:04][claudiu:/>~]$ So there is no need to reopen this bug.
-- Kate throws a screen of errors when invoked using sudo... kate still starts https://launchpad.net/bugs/64735 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
