[mythtv] 0.19, DVB-T and 100% CPU usage

[Stephen Williams]

On 4/5/06, Chris Hubball <chris at hubball.org> wrote:
> Hello,
>
> I did a quick search on this list and couldn't see anything obvious, so I
> thought I'd post.
>
> It seems to be a common issue on mythtv-users that with a Nova-T DVB-T
> card and 0.19, the backend takes 100% CPU when recording.
>
> This make watching Live TV very jerky because the frontend and backend
> seem to be fighting for CPU time - it's about 50% each.
>
> We have discussed the various transcode, commercial scanning features and
> EIT, but all are disable.
>
> In all cases, the same hardware set up working well with 0.18.  I am
> using the Debian unstable packages, however I believe others are be
> building from source.
>
> Has this issue already been reported and if so is there a patch for it?
> I'm willing to put some time into this if anyone can offer suggestions on
> how to debug the issue.
>
> Regards,
> Chris.

As a data point I am using 0.19-Fixes (built from source) on a Debian
system with a Nova-T. I am not seeing any unusual CPU usage during
recording / live-TV, usage has not noticeably changed from 0.18.

My Nova-T is the old 909 model, I don't know if this makes any difference.

Stephen