I got this error in ~/.xsession-errors, openConnection: connect: No such file or directorycannot connect to brltty at :0Service 'org.kde.kaccessibleapp' does not exist.There is no kaccessible in /usr/lib/kde4/libexec. I tried to install by sudo apt-get install kaccessible, butReading package lists... DoneBuilding dependency tree       Reading state information... DoneSome packages could not be installed. This may mean that you haverequested an impossible situation or if you are using the unstabledistribution that some required packages have not yet been createdor been moved out of Incoming.The following information may help to resolve the situation:The following packages have unmet dependencies: kaccessible : Depends: kde-runtime but it is not going to be installedE: Unable to correct problems, you have held broken packages.
Service 'org.kde.kaccessibleapp' does not exist
gnome;kde;services;gnome shell