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

[J. Donavan Stanley]

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.