[mythtv-users] DCT-6200 Out of sync TS Packets Leading to Backend Crash

J.D. mythtv at demuth.homelinux.org
Sat Nov 4 19:12:24 UTC 2006


Wow. I see the same behavior, but with a different hw setup.

Firewire used to work fine (well, as long as you didn't tune the settop 
box manually) for months. Now, just a few days ago I started 
experiencing the mythbackend crashes that were described in andrew's 
post from 07/11/06 8:00pm.

COX cable NoVA
SA3250 settop box
shuttle sk83g
AMD Athlon64 3200
1GB RAM
FC4, atrpms based, mythtv .19
kernel  2.6.17-1.2142_FC4


 From the log files for your benefit:

2006-11-03 23:00:05.771 External Tuning program exited with no error
2006-11-03 23:00:06.014 Firewire: Initializing Port: 0, Node: 0, Speed: 
200Mbps
2006-11-03 23:00:06.113 Started recording: Alaska: Spirit of the Wild: 
channel 1711 on cardid 1, sourceid 1
2006-11-03 23:00:06.114 Firewire: Creating P2P Connection with Node: 0
2006-11-03 23:00:06.343 scheduler: Started recording: Alaska: Spirit of 
the Wild: channel 1711 on cardid 1, sourceid 1
libiec61883 warning: Overlayed connection on channel 0.
You may need to manually set the channel on the receiving node.
2006-11-03 23:00:06.383 Firewire: Created Channel: 0, Bandwidth 
Allocation: 0
2006-11-03 23:00:06.559 Firewire: Got out of sync TS Packet
2006-11-03 23:00:06.614 Firewire: Got out of sync TS Packet
2006-11-03 23:00:06.635 Firewire: Got out of sync TS Packet
2006-11-03 23:00:06.639 Firewire: Got out of sync TS Packet

[...  keeps going like this every few milliseconds until ... ]

2006-11-03 23:42:07.520 Firewire: Got out of sync TS Packet
2006-11-03 23:42:07.521 Firewire: Got out of sync TS Packet
2006-11-03 23:42:07.522 Firewire: Got out of sync TS Packet
2006-11-03 23:42:07.523 Firewire: Got out of sync TS Packet
2006-11-03 23:42:07.523 Firewire: Got out of sync TS Packet
2006-11-03 23:42:07.524 Firewire: Got out of sync TS Packet
2006-11-03 23:42:59.690 TFW, Error: Write() -- IOBOUND begin cnt(9400) 
free(1515)
2006-11-03 23:43:05.184 TFW, Error: Write() -- IOBOUND end
2006-11-03 23:43:12.541 Reschedule requested for id 0.
2006-11-03 23:43:16.047 Scheduled 158 items in 3.5 = 0.80 match + 2.71 place
2006-11-03 23:43:16.237 scheduler: Scheduled items: Scheduled 158 items 
in 3.5 = 0.80 match + 2.71 place
2006-11-03 23:43:33.086 MainServer::HandleAnnounce Monitor
2006-11-03 23:43:33.097 adding: mythtv as a client (events: 0)
2006-11-03 23:43:33.966 MainServer::HandleAnnounce Monitor
2006-11-03 23:43:33.975 adding: mythtv as a client (events: 0)
2006-11-04 00:00:00.322 TVRec(1): Changing from RecordingOnly to None
2006-11-04 00:00:00.412 Finished recording Alaska: Spirit of the Wild: 
channel 1711
2006-11-04 00:00:00.506 scheduler: Finished recording: Alaska: Spirit of 
the Wild: channel 1711
2006-11-04 00:00:00.650 Finished recording Alaska: Spirit of the Wild: 
channel 1711
0: start_time: 7817.274 duration: 323.183
1: start_time: 7817.210 duration: 323.188
stream: start_time: 86857.892 duration: 3591.628 bitrate=12258 kb/s
2006-11-04 00:23:23.740 Firewire: Got out of sync TS Packet
2006-11-04 00:23:23.740 Firewire: Got out of sync TS Packet
2006-11-04 00:23:23.741 Firewire: Got out of sync TS Packet
2006-11-04 00:23:23.742 Firewire: Got out of sync TS Packet
[mpeg2video @ 0x36bea44]ac-tex damaged at 50 4
[mpeg2video @ 0x36bea44]ac-tex damaged at 83 47
[mpeg2video @ 0x36bea44]ac-tex damaged at 76 492006-11-04 00:00:00.983 
AFD: Opened codec 0x9f0f880, id(MPEG2VIDEO) type(Video)
2006-11-04 00:00:00.988 AFD: Opened codec 0x9f92220, id(AC3) type(Audio)
2006-11-04 00:00:02.664 TVRec(1): Changing from None to RecordingOnly
2006-11-04 00:00:03.886 ret_pid(25122) child(25122) status(0x0)
2006-11-04 00:00:04.061 External Tuning program exited with no error
2006-11-04 00:00:04.176 Firewire: Initializing Port: 0, Node: 0, Speed: 
200Mbps
2006-11-04 00:00:04.238 Started recording: Norah Jones and the Handsome 
Band Live in 2004: channel 1711 on cardid 1, sourceid 1
2006-11-04 00:00:04.400 Firewire: Creating P2P Connection with Node: 0
2006-11-04 00:00:04.575 scheduler: Last message repeated 1 times: 
Finished recording: Alaska: Spirit of the Wild: channel 1711
2006-11-04 00:00:04.652 scheduler: Started recording: Norah Jones and 
the Handsome Band Live in 2004: channel 1711 on cardid 1, sourceid 1
libiec61883 warning: Overlayed connection on channel 0.
You may need to manually set the channel on the receiving node.
2006-11-04 00:00:04.696 Firewire: Created Channel: 0, Bandwidth 
Allocation: 0
2006-11-04 00:00:05.694 Reschedule requested for id 0.
2006-11-04 00:00:08.631 Scheduled 157 items in 2.9 = 0.05 match + 2.88 place
2006-11-04 00:00:08.665 scheduler: Scheduled items: Scheduled 157 items 
in 2.9 = 0.05 match + 2.88 place
2006-11-04 00:00:17.787 Commercial Flagging Starting for Alaska: Spirit 
of the Wild recorded from channel 1711 at Fri Nov 3 23:00:00 2006
2006-11-04 00:00:18.108 commflag: Commercial Flagging Starting: Alaska: 
Spirit of the Wild recorded from channel 1711 at Fri Nov 3 23:00:00 2006
2006-11-04 00:00:22.750 Using runtime prefix = /usr
2006-11-04 00:00:23.612 New DB connection, total: 1
2006-11-04 00:00:23.808 Connected to database 'mythconverg' at host: 
localhost
2006-11-04 00:00:23.956 New DB connection, total: 2
2006-11-04 00:00:24.063 Connected to database 'mythconverg' at host: 
localhost
2006-11-04 00:00:24.413 Connecting to backend server: 127.0.0.1:6543 
(try 1 of 5)
2006-11-04 00:00:24.460 Using protocol version 26
2006-11-04 00:00:24.600 MainServer::HandleAnnounce Monitor
2006-11-04 00:00:24.685 adding: mythtv as a client (events: 0)
0: start_time: 7817.274 duration: 323.183
1: start_time: 7817.210 duration: 323.188
stream: start_time: 86857.892 duration: 3591.628 bitrate=12258 kb/s
2006-11-04 00:00:24.945 AFD: Opened codec 0x908beb0, id(MPEG2VIDEO) 
type(Video)
2006-11-04 00:00:25.117 AFD: Opened codec 0x908c430, id(AC3) type(Audio)
2006-11-04 00:00:27.224 MainServer::HandleAnnounce Monitor
2006-11-04 00:00:27.404 adding: mythtv as a client (events: 1)
2006-11-04 00:00:27.557 Firewire: Got out of sync TS Packet
2006-11-04 00:00:27.729 Firewire: Got out of sync TS Packet
2006-11-04 00:00:27.737 Firewire: Got out of sync TS Packet
2006-11-04 00:00:27.876 Firewire: Got out of sync TS Packet
2006-11-04 00:00:27.997 Firewire: Got out of sync TS Packet

[.....again many sync errors, interrupted by sequences of mpeg2video 
messages such as the following...]

2006-11-04 00:23:23.742 Firewire: Got out of sync TS Packet
[mpeg2video @ 0x36bea44]ac-tex damaged at 50 4
[mpeg2video @ 0x36bea44]ac-tex damaged at 83 47
[mpeg2video @ 0x36bea44]ac-tex damaged at 76 49
[mpeg2video @ 0x36bea44]ac-tex damaged at 24 52
[mpeg2video @ 0x36bea44]ac-tex damaged at 32 0
[mpeg2video @ 0x36bea44]ac-tex damaged at 115 55
[mpeg2video @ 0x36bea44]ac-tex damaged at 36 39
[mpeg2video @ 0x36bea44]ac-tex damaged at 40 60
[mpeg2video @ 0x36bea44]ac-tex damaged at 74 62
[mpeg2video @ 0x36bea44]end mismatch left=1226
2006-11-04 00:24:21.593 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.600 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.608 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.612 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.613 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.614 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.615 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.616 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.617 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.619 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.620 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.621 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.622 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.623 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.625 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.626 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.628 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.630 Firewire: Got out of sync TS Packet
2006-11-04 00:24:21.631 Firewire: Got out of sync TS Packet
[mpeg2video @ 0x36bea44]ac-tex damaged at 99 51
[mpeg2video @ 0x36bea44]end mismatch left=342
2006-11-04 00:24:33.880 Event socket closed. No connection to the backend.
[mpeg2video @ 0x36bea44]ac-tex damaged at 68 32
[mpeg2video @ 0x36bea44]ac-tex damaged at 5 46
[mpeg2video @ 0x36bea44]invalid mb type in P Frame at 11 36
[mpeg2video @ 0x36bea44]mb incr damaged

[... from here on mpeg2video messages until ...]

[mpeg2video @ 0x36bea44]00 motion_type at 6 65
[mpeg2video @ 0x36bea44]00 motion_type at 10 66
[mpeg2video @ 0x36bea44]00 motion_type at 43 67
[mpeg2video @ 0x36bea44]ac-tex damaged at 72 33
2006-11-04 01:11:36.385 Connecting to backend server: 127.0.0.1:6543 
(try 1 of 5)
2006-11-04 01:11:36.393 Connection timed out.
                        You probably should modify the Master Server
                        settings in the setup program and set the
                        proper IP address.

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