[mythtv] ivtv (pvr350) snow on upgrade to recent svn

Chad Jannusch bgmncwj at gmail.com
Sun Sep 18 14:59:23 UTC 2005

I had this problem recently too, I have 3 PVR150 cards each fed from a 
DirecTV reciever. MythTV works great using the perl script to change each 
recievers channel, but it won't initially tune channel 3 on any of the 
cards. After a reboot I manually have to use ptune to change the channel on 
the cards (just once per reboot, but it's still a pain). Do you happen to be 
using a cable box/other reciever to feed your PVR350?

--Chad Jannusch

On 9/18/05, Roger James <roger at beardandsandals.co.uk> wrote:
>  Hi,
>  I have recently updated my mythtv build from a CVS version of early June 
> this year to the latest svn version (7270). My PVR-350 is now not tuning 
> properly, all the channels show snow. Looking at the backend log and the 
> kernel debug for the ivtv driver, everything appears to be happening as 
> expected. The v4l ioctl is called and the i2c command issued.
>  Maybe there has been a change in the card initialisation.
>  What have I missed?
>  I have looked back through the list archives and cannot see this problem 
> mentioned.
>  I have not rerun mythsetup, do I need to do this?
>  Reverting to the old version, without changing any config, makes the 
> problem disappear.
>  Any help gratefully received. So I can get on to looking at the other 
> problems I have noticed (increased CPU load, slight jerkiness in playback, 
> hangs when switching DVB channels :-( )
>  Roger
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