same Problem here:
what i've done:
+ try diffent versions - i've tried to use TvH 4.0.9 and 4.1-2268 and the newest git, but it does not work:
+ try to use a "Fake CA"
+ reboot
+ newest driver from Digital Devices
+ play with CI settings
Here the log, same Problem, as user Niklas Koehler
++++++
2016-12-06 12:19:16.137 [ TRACE] dvbcam: stop service 0x7f25b4013470
2016-12-06 12:19:16.137 [ NOTICE] linuxdvb: CAM slot 0 status changed to module ready
2016-12-06 12:19:16.193 [ TRACE] en50221: 0x00000000 session 1 tc connect
2016-12-06 12:19:16.507 [ TRACE] en50221: 0x00010041 session 1 connecting
2016-12-06 12:19:16.507 [ TRACE] en50221: 0x00010041 session 1 connected
2016-12-06 12:19:16.923 [ TRACE] en50221: rm reply cb received for slot 0, count 0
2016-12-06 12:19:17.240 [ TRACE] en50221: rm enq callback received for slot 0
2016-12-06 12:19:17.555 [ TRACE] en50221: lookup cb for unknown resource id 200041 on slot 0
2016-12-06 12:19:17.555 [ TRACE] en50221: 0x00200041 session 2 connecting
2016-12-06 12:19:17.555 [ TRACE] en50221: 0x00200041 session 2 connected
2016-12-06 12:19:17.555 [ TRACE] en50221: session 2 with unknown rid 0x00200041 is connected
2016-12-06 12:19:17.970 [ TRACE] en50221: 0x00030041 session 3 connecting
2016-12-06 12:19:17.970 [ TRACE] en50221: 0x00030041 session 3 connected
2016-12-06 12:19:18.398 [ TRACE] dvbcam: unregister cam lca 0x564e193176f0 slot 0
2016-12-06 12:19:18.399 [ TRACE] dvbcam: register cam ca 0x564e193176f0 slot 0 num_caids 18
2016-12-06 12:19:18.399 [ INFO] en50221: CAM slot 0 supported CAIDs: 098C (NDS) 0648 (Irdeto) 1702 (BetaCrypt) 1722 (BetaCrypt) 1762 (BetaCrypt) 4A20 (0x4a20) 0500 (Viaccess) 0B00 (Conax) 0100 (Seca) 1833 (NagraVision) 1834 (NagraVision) 0D05 (CryptoWorks) 0D95 (CryptoWorks ICE) 09C4 (NDS) 093E (NDS) 0963 (NDS) 0919 (NDS)
2016-12-06 12:19:18.606 [ TRACE] en50221: 0x00240041 session 4 connecting
2016-12-06 12:19:18.606 [ TRACE] en50221: 0x00240041 session 4 connected
2016-12-06 12:19:18.920 [ TRACE] en50221: datetime enquiry cb received for slot 0
2016-12-06 12:19:19.131 [ TRACE] en50221: 0x00020041 session 5 connecting
2016-12-06 12:19:19.131 [ TRACE] en50221: 0x00020041 session 5 connected
2016-12-06 12:19:19.553 [ INFO] en50221: CAM slot 0: Application type: 01, manufacturer: 4a20, Manufacturer code: 4a22
2016-12-06 12:19:19.553 [ INFO] en50221: CAM slot 0: Menu string: AlphaCrypt
So when i start to watch an crypted channel
2016-12-06 12:20:15.365 [ TRACE] dvbcam: cannot find active cam entry
++++++
from: https://tvheadend.org/d/4427-dd-cine-s2-v6-flex-ci-module-did-not-descrambling-dvbcam-cannot-find-active-cam-entry