Hi on ubuntu 12.04 my tbs6985 drivers installd no problem.
I have upgraded to 14.04 but after i install and run dmesg | grep frontend i get this.
[ 9.540444] saa716x_core: disagrees about version of symbol dvb_frontend_detach
[ 9.540445] saa716x_core: Unknown symbol dvb_frontend_detach (err -22)
[ 9.540449] saa716x_core: disagrees about version of symbol dvb_unregister_frontend
[ 9.540450] saa716x_core: Unknown symbol dvb_unregister_frontend (err -22)
[ 9.540452] saa716x_core: disagrees about version of symbol dvb_register_frontend
[ 9.540453] saa716x_core: Unknown symbol dvb_register_frontend (err -22)
root@airnetiptv:~/Tbs/linux-tbs-drivers#