[mythtv-users] Channel tuning broken in 0.24

Michael Watson michael at thewatsonfamily.id.au
Thu May 31 04:53:17 UTC 2012


On 31/05/2012 11:45 AM, Igor Cicimov wrote:
> Hi all,
>
> I noticed that after upgrade to Mythtv 0.24 the channel tuning 
> is awful. I'm using Leadtek DVB-T DTV2000H (using the digital receiver 
> only) and the card was working fine for years on 0.20 and later for 
> couple of months on 0.23-fixes. After upgrade to 0.24-fixes it can't 
> scan half of the DVB-T channels in Sydney and recording on it is 
> practically impossible. The distro is Mythbuntu 10.04 with the latest 
> kernel from the repo (which I think is 2.6.35 but not sure I'm not at 
> home now to check).
>
> What has changed in Mythtv to affect this card so badly? Anything I 
> can do to improve the performance? And yes, I tried deleting all the 
> cards,inputs,sources etc in the backend and recreating again but no 
> changes. Or maybe the kernel driver cx88xx in the latest kernels does 
> not play good with this card any more?
>
> Before rolling back to 0.23 I'll try to check the card performance 
> outside Mythtv. In meantime, any suggestions to solve this highly 
> appreciated.
>
> Thanks,
> Igor
>
I had to increase the Tuning Timeout.  3000ms seemed to work well for me 
in Melbourne.



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