Reproduced on Kubuntu 13.04 alpha2.
Running kdesudo, sudo, or becoming root other way, then setting DISPLAY to :0 won't allow to start X applications as a root until xhost +local:root command is issued.
Reproduced on Kubuntu 13.04 alpha2.
Running kdesudo, sudo, or becoming root other way, then setting DISPLAY to :0 won't allow to start X applications as a root until xhost +local:root command is issued.