gistfile1.txt

dmesg |grep DVB
[   22.123595] DDBridge driver detected: Digital Devices DVBCT V6.1 DVB adapter
[   22.129143] Port 0 (TAB 1): DUAL DVB-C/T
[   22.131811] DVB: registering new adapter (DDBridge)
[   22.131813] DVB: registering new adapter (DDBridge)
[   23.315830] ddbridge 0000:01:00.0: DVB: registering adapter 0 frontend 0 (STV0367 DVB-C DVB-T)...
[   23.864200] ddbridge 0000:01:00.0: DVB: registering adapter 1 frontend 0 (STV0367 DVB-C DVB-T)...


but:

 sudo w_scan -fc -c DE -t 3 -F > channels.dvb
w_scan version 20111203 (compiled for DVB API 5.4)
using settings for GERMANY
DVB cable
DVB-C
frontend_type DVB-C, channellist 7
output format vdr-1.6
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
main:3079: FATAL: ***** NO USEABLE DVB-C CARD FOUND. *****
Please check wether dvb driver is loaded and
verify that no dvb application (i.e. vdr) is running.