[mythtv-users] Stuttering sound and 100% cpu after channel changes

[Jeppe N. Madsen]

On Sun, 08 Feb 2004, J. Donavan Stanley wrote:

>  Jeppe N. Madsen wrote:
>  
> >I'm currently trying out mythtv and are testing on some old
> >hardware before committing to a full setup.
> >
> >I've observed the following: If I watch livetv and let the livetv
> >buffer fillup (I've set it to 2gb so approx 1 hour) and change
> >channel, the sound starts to stutter and the backend cpu usage goes
> >to 100%. The frontend logs some "prebuffer wait timed out"
> >messages. Changing channel again improves the situation slightly,
> >but the backend still uses more than 50% cpu (usally 98% idle
> >during livetv). It seems the only solution is to exit livetv and
> >start again.
> >
> >
> >
>  Changing the channel starts a new ringbuffer.  Sounds like your
>  disk/file system might have issues deleting large files.

I believe the ringbuffer _file_ is not deleted on channel changes, only
when you exit live tv. As Isaac noted, this was a bug and it has been
fixed in CVS.

rgds
Jeppe