Okay guys.

I had to upgrade my system to mythtv .22 because of issues with the on
my other frontends epg.
Anyway, long story short.  My atv had to be upgraded because .21 will
not work with a .22 backend.
Ever since the upgrade, mythtv will not perform like it use to.

It takes 15/20 seconds for live tv to start, once it starts, the audio
and video get out of sync.
I have been trouble shooting this for days and cant find a good
solution.

Here is part of the mythfrontend.log  I get never ending prebuffering
pauses.

2009-11-10 19:18:08.070 VideoOutputXv: ProcessFrameXvMC: Tried to
reuse frame b$

2009-11-10 19:18:08.070 VideoOutputXv: ProcessFrameXvMC: Called
without frame

2009-11-10 19:18:08.104 VideoOutputXv: ProcessFrameXvMC: Tried to
reuse frame b$

2009-11-10 19:18:08.104 VideoOutputXv: ProcessFrameXvMC: Called
without frame

2009-11-10 19:18:08.340 WriteAudio: buffer underrun

2009-11-10 19:18:08.412 WriteAudio: buffer underrun

2009-11-10 19:18:08.610 NVP(0): prebuffering pause

2009-11-10 19:18:08.613 WriteAudio: buffer underrun

2009-11-10 19:18:08.709 NVP(0): prebuffering pause

2009-11-10 19:18:08.759 NVP(0): prebuffering pause

2009-11-10 19:18:08.798 NVP(0): prebuffering pause

2009-11-10 19:18:08.832 NVP(0): prebuffering pause


ifconfig shows errors.

eth0      Link encap:Ethernet  HWaddr 00:17:f2:f8:16:b5

          inet addr:192.168.2.6  Bcast:192.168.2.255  Mask:
255.255.255.0

          inet6 addr: fe80::217:f2ff:fef8:16b5/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:39496 errors:12 dropped:24 overruns:12 frame:0

          TX packets:27270 errors:0 dropped:0 overruns:4 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:43602787 (43.6 MB)  TX bytes:4767380 (4.7 MB)

          Interrupt:20 Base address:0x1000


Anyone have any ideas?  Please let me know if I can offer any more
info.

Running Ubuntu 9.04 latest update with mythtv .22 on apple tv.

I have done the following
Mythbuntu Hardy
1.Update the boot disk MBR with gptsync
2.nvidia, audio and IR fixes
3.Install wireless driver

One other note,
I can never get the nvidia thing correct.  I always have to go in and
manually adjust the clock settings after each reboot.

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