From debug log:
< 225.4017> 16:15:13.3582 [CI] eDVBCIInterfaces setInputSource(10, CI1)
< 225.4027> 16:15:13.3591 [CI] Slot: 1 setSource: K
< 228.8615> 16:15:16.8179 eDVBCICAManagerSession::setCAIDs casCount = 0
< 232.0273> 16:15:19.9838 [CI] eDVBCIInterfaces setInputSource(10, CI1)
< 232.0281> 16:15:19.9845 [CI] Slot: 1 setSource: K
< 235.7083> 16:15:23.6647 eDVBCICAManagerSession::setCAIDs casCount = 0
< 238.8616> 16:15:26.8180 [CI] eDVBCIInterfaces setInputSource(10, CI1)
< 238.8624> 16:15:26.8188 [CI] Slot: 1 setSource: K
and that continues about 3 min and 13 sec after that no disturbancies and no picture freezing. But it still shows 'no module found' ...