to prevent xserver-xorg-core upgrade after downgrading to ubuntu2 put a hold on package xserver-xorg-core : " sudo aptitude hold xserver-xorg-core " this will hold package to current installed version untill this bug is fixed ( SOON!? )
to prevent xserver-xorg-core upgrade after downgrading to ubuntu2 put a hold on package xserver-xorg-core :
" sudo aptitude hold xserver-xorg-core " this will hold package to current installed version untill this bug is fixed ( SOON!? )