Second tuner failing (dibxxx, mt2266, Terratec Cinergy DT USB XS Diversity)

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While the first tuner (0) works fine, the second tuner (1) of the stick 
finds no channels at all when doing "scan". I get filter timeouts for 
all frequencies. Using an existing channels.conf does not help. MythTV 
claims that the signal strength/quality is ok but there is very high BER 
and no (tuner?) lock or just a partial one. I seem to recall both tuners 
were working at some point with earlier code from repository. I am at 
least fairly certain "scan" found at least some channels earlier, no 
matter which tuner was used.

The stick seems to use a DiBcom 7000PC. Thus I wonder if I am seeing the 
same bug here that Patrick Boettcher mentioned on 22.11. in response to 
Yousef Lamlum's message on 22.11, since Yousef's device seems to have 
the same chip/modules???

BTW, I am using the stick with force_lna_activation parameter set to 1, 
otherwise the sensitivity is too low and even the "working" tuner does 
not find all the channels.

Is this indeed a known issue, or is there something I can do to provide 
more information, or test something, etc..?

Thanks,

  Petri


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