Re: Problems with conditional access programs

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On Thu, 2006-11-02 at 17:55 +0100, Sven Lindholm wrote:
> Hi all,
> 
> I am trying to view CA:d programs using a Twinhan DVB-T card and  
> Viaccess module under 2.6.18. the card works perfectly for non-CA  
> material, but not quite perfectly with CA. The issue is that after a  
> while (a few minutes to a few hours), the stream will revert to being  
> scrambled, as if no CA was available. If I then restart the player,  
> all is well for another while.
> 
> I've tried this with VLC (0.8.6) and getstream combined with ca_zap -  
> both systems show the same symtoms. In the case of getstream, a new  
> run of ca_zap is required to get the stream going again.
> 
> It would seem as if a key change or something is happening, and the  
> driver/card/CAM isn't keeping track properly.
This is what it appears to be, but it's not the case. What does happen
is that some i2c transfer between the bt878 and the dst fails, and the
driver resets the card during the recovery.
> 
> Any ideas about how to go about solving or troubleshooting this?
I don't know how to solve this problem, but I do know that reducing the
i2c traffic on the bus does reduce it's frequency quite a bit. tip:
don't run femon or similar apps. Somehow this problem has not bitten me
much latly, not sure if any of my local patches mysteriously affects the
situation.

Sigmund
> 
> Regards,
> Sven
> 
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