[mythtv-users] MythTV on MacMini: Playback Prerecorded frequently stalls

[Michael T. Dean]

On 03/14/2006 12:26 PM, John Elm wrote:

>I have a myth backend running on a 2.66GHz P4 with 2Gb of memory.  It's
>serving over a 10/100 DLink router.
>
>I can use frontend locally of course, plus using my Gentoo thinkpad, with no
>problems at all.  Works great.
>
>But I also have a frontend running on a MacMini G4 with 512Mb.  On this
>frontend, WatchingLiveTV is fine, but when playing back prerecorded I am
>frequently getting this error:
>
>- typically plays three or four seconds of video, then stops (goes blank and
>then returns to list of recordings)
>- seems to happen only with a subset of the recordings, and I haven't been
>able to narrow down what the common factor is.
>- on any recording from this subset, there is a 4 in 5 chance that it will
>fail
>
>Here is how it appears in the logs:
>
>2006-03-14 09:53:56.178 Changing from None to WatchingPreRecorded
>2006-03-14 09:53:56.178 Video timing method: USleep with busy wait
>2006-03-14 09:54:00.324 prebuffering pause
>2006-03-14 09:54:02.400 Waited too long for ringbuffer pause..
>2006-03-14 09:54:03.401 Waited too long for ringbuffer pause..
>2006-03-14 09:54:04.401 Waited too long for ringbuffer pause..
>2006-03-14 09:54:05.402 Waited too long for ringbuffer pause..
>2006-03-14 09:54:06.402 Waited too long for ringbuffer pause..
>2006-03-14 09:54:07.402 Waited too long for ringbuffer pause..
>2006-03-14 09:54:08.403 Waited too long for ringbuffer pause..
>2006-03-14 09:54:08.550 RemoteFile::Read() failed in
>RingBuffer::safe_read().
>
>This is also appearing in the logs (slightly different):
>
>2006-03-14 09:52:21.024 Changing from None to WatchingPreRecorded
>2006-03-14 09:52:21.028 Video timing method: USleep with busy wait
>2006-03-14 09:52:25.399 prebuffering pause
>2006-03-14 09:52:28.440 Waited 4 seconds for data to become available,
>waiting again...
>2006-03-14 09:52:32.546 Waited too long for ringbuffer pause..
>2006-03-14 09:52:33.547 Waited too long for ringbuffer pause..
>2006-03-14 09:52:33.713 RemoteFile::Read() failed in
>RingBuffer::safe_read().
>  
>

Sounds like your remote filesystem settings may need fixing.  If using 
NFS, search the archives for "nfs tcp nfsvers rsize".

Mike

Mike