Indeed, you are right, when checked with "dvbsnoop -s signal -frontend /dev/dvb/adapter0/frontend2" I get signal informationThe missing BER and SNR values are an Enigma2 bug.
cycle: 730 d_time: 0.001 s Sig: 48 SNR: 25 BER: 0 UBLK: 633 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]