[mythtv-users] IPTV recorder dropping packets?

[Robert Johnston]

Having recently upgraded to the latest nightly mythbuntu build

MythTV Version   : 26683
MythTV Branch    : trunk
Network Protocol : 63
Library API      : 0.23.20100917-1
QT Version       : 4.7.0
Options compiled in:
  linux debug using_alsa using_jack using_oss using_pulse 
using_pulseoutput using_backend using_bindings_perl 
using_bindings_python using_dvb using_firewire using_frontend 
using_hdhomerun using_hdpvr using_iptv using_ivtv using_joystick_menu 
using_lirc using_mheg using_opengl_video using_opengl_vsync using_qtdbus 
using_qtwebkit using_v4l using_x11 using_xrandr using_xv using_xvmc 
using_xvmc_vld using_xvmcw using_bindings_perl using_bindings_python 
using_mythtranscode using_opengl using_vdpau using_ffmpeg_threads 
using_live using_mheg

My IPTV recorder(s) have started dropping packets, leading to playback 
errors and messages from commflagging like:

2010-10-06 23:08:35.083 [mp2 @ 0x30df980]Header missing
2010-10-06 23:08:35.121 AFD Error: Unknown audio decoding error
2010-10-06 23:08:38.364 [mpeg2video @ 0x30df980]mb incr damaged
2010-10-06 23:08:38.404 [mpeg2video @ 0x30df980]00 motion_type at 3 8
2010-10-06 23:08:38.437 [mpeg2video @ 0x30df980]00 motion_type at 0 9
2010-10-06 23:08:38.471 [mpeg2video @ 0x30df980]00 motion_type at 6 10
2010-10-06 23:08:38.504 [mpeg2video @ 0x30df980]invalid mb type in B 
Frame at 14 11
2010-10-06 23:08:38.538 [mpeg2video @ 0x30df980]00 motion_type at 0 12
2010-10-06 23:08:38.571 [mpeg2video @ 0x30df980]00 motion_type at 0 13
2010-10-06 23:08:38.613 [mpeg2video @ 0x30df980]00 motion_type at 5 14
2010-10-06 23:08:38.655 [mpeg2video @ 0x30df980]00 motion_type at 0 15
2010-10-06 23:08:38.697 [mpeg2video @ 0x30df980]00 motion_type at 0 16
2010-10-06 23:08:38.739 [mpeg2video @ 0x30df980]00 motion_type at 7 17
2010-10-06 23:08:38.781 [mpeg2video @ 0x30df980]00 motion_type at 5 18
2010-10-06 23:08:38.823 [mpeg2video @ 0x30df980]00 motion_type at 0 19
2010-10-06 23:08:38.865 [mpeg2video @ 0x30df980]00 motion_type at 0 20
2010-10-06 23:08:38.906 [mpeg2video @ 0x30df980]00 motion_type at 0 21
2010-10-06 23:08:38.948 [mpeg2video @ 0x30df980]mb incr damaged
2010-10-06 23:08:38.982 [mpeg2video @ 0x30df980]invalid mb type in B 
Frame at 16 23
2010-10-06 23:08:39.015 [mpeg2video @ 0x30df980]00 motion_type at 1 24
2010-10-06 23:08:39.057 [mpeg2video @ 0x30df980]00 motion_type at 0 25
2010-10-06 23:08:39.091 [mpeg2video @ 0x30df980]00 motion_type at 0 26
2010-10-06 23:08:39.124 [mpeg2video @ 0x30df980]00 motion_type at 0 27
2010-10-06 23:08:39.166 [mpeg2video @ 0x30df980]00 motion_type at 2 28
2010-10-06 23:08:39.208 [mpeg2video @ 0x30df980]mb incr damaged
2010-10-06 23:08:39.260 [mp2 @ 0x30df980]Header missing
2010-10-06 23:08:39.300 AFD Error: Unknown audio decoding error
2010-10-06 23:08:42.259 [mpeg2video @ 0x30df980]ac-tex damaged at 20 11
2010-10-06 23:08:42.304 [mp2 @ 0x30df980]Header missing
2010-10-06 23:08:42.342 AFD Error: Unknown audio decoding error
2010-10-06 23:08:45.717 [mpeg2video @ 0x30df980]00 motion_type at 9 18
2010-10-06 23:08:45.782 [mp2 @ 0x30df980]Header missing
2010-10-06 23:08:45.816 AFD Error: Unknown audio decoding error
2010-10-06 23:08:48.769 [mpeg2video @ 0x30df980]invalid mb type in P 
Frame at 0 29
2010-10-06 23:08:48.811 [mp2 @ 0x30df980]Header missing
2010-10-06 23:08:48.848 AFD Error: Unknown audio decoding error
2010-10-06 23:08:52.168 [mpeg2video @ 0x30df980]invalid mb type in P 
Frame at 7 16
2010-10-06 23:08:52.206 [mpeg2video @ 0x30df980]mb incr damaged
2010-10-06 23:08:52.239 [mpeg2video @ 0x30df980]ac-tex damaged at 6 15
2010-10-06 23:08:52.273 [mpeg2video @ 0x30df980]ac-tex damaged at 9 15
2010-10-06 23:08:52.315 [mpeg2video @ 0x30df980]ac-tex damaged at 1 16
2010-10-06 23:08:52.356 [mpeg2video @ 0x30df980]ac-tex damaged at 5 17

I'll see what I can do with verbose debugging, but is there anything I 
should be looking for specifically?