[mythtv-users] mythbackend hangs during recording

Clint Eaker ceaker at mindspring.com
Mon Jan 22 15:51:25 UTC 2007


This problem isn't endearing the rest of my family to the whole idea of my MythTV box that has been recently moved to the living room.  So far, my wife has missed several episodes of her daily soap-opera and last night, she missed most of the Extreme Makeover Home Edition for our hometown.  She seems to really like the features it offers, but the current reliability issues far outweigh the benefits.  :(

I'm using an EPIA M10000 frontend/backend setup with a Plextor TV402U USB tuner.  It's a Debian etch-based install using the mythtv packages from www.debian-multimedia.org (0.20-svn20).    Shortly after a reboot, everything seems to work fine and dandy.  But after running for a day or two, recording seems to lock up.  Below is an excerpt from the mythbackend.log where you can see the errors logged from the backend.  You can also see where recording of "Desparate Housewives", which should have started at 21:00, didn't start until the system had been rebooted.  Not sure if simply stopping and restarting mythbackend would have worked just as well.

The problem appears to be related to the audio stream, but when playing back the recording, there is nothing beyond the 22 minute mark, which is exactly when the audio errors started getting logged.  I simply get the keep/delete prompt from the frontend after 22 minutes.  I don't know if it could be related, but the TV402U provides an uncompressed raw audio stream.  

Anyone else ever dealt with this problem or have any ideas what could be going on here?  I wanted to try here first to see if anyone here has dealt with this before posing to the dev forum.

Thanks,
Clint

2007-01-21 18:24:56.624 Finished recording Exploring North Carolina: channel 1009
2007-01-21 20:00:03.211 TVRec(1): Changing from None to RecordingOnly
2007-01-21 20:00:03.232 TVRec(1): HW Tuner: 1->1
VIDIOC_S_CTRL:V4L2_CID_AUDIO_MUTE: Invalid argument
2007-01-21 20:00:03.573 Started recording: Extreme Makeover: Home Edition "Riggins Family": channel 1006
on cardid 1, sourceid 1
select timeout
2007-01-21 20:22:08.952 NVR: Only read -1 bytes of 16384 bytes from '/dev/dsp1
read audio: Input/output error
select timeout
select timeout
2007-01-21 20:22:18.981 NVR: Only read -1 bytes of 16384 bytes from '/dev/dsp1
read audio: Input/output error
select timeout
select timeout
.
.
.
2007-01-21 20:59:49.051 NVR: Only read -1 bytes of 16384 bytes from '/dev/dsp1
read audio: Input/output error
select timeout
select timeout
2007-01-21 20:59:59.051 NVR: Only read -1 bytes of 16384 bytes from '/dev/dsp1
read audio: Input/output error
2007-01-21 21:00:00.256 TVRec(1): Changing from RecordingOnly to None
2007-01-21 21:00:00.282 Finished recording Extreme Makeover: Home Edition "Riggins Family": channel 1006
select timeout
2007-01-21 21:00:09.052 NVR: Only read -1 bytes of 16384 bytes from '/dev/dsp1
read audio: Input/output error
<REBOOT>
2007-01-21 21:25:18.474 Using runtime prefix = /usr
2007-01-21 21:25:18.783 New DB connection, total: 1
2007-01-21 21:25:18.822 Connected to database 'mythconverg' at host: localhost
2007-01-21 21:25:18.871 Current Schema Version: 1160
Starting up as the master server.
2007-01-21 21:25:18.920 New DB connection, total: 2
2007-01-21 21:25:18.934 Connected to database 'mythconverg' at host: localhost
2007-01-21 21:25:18.990 EITHelper: localtime offset -5:00:00
2007-01-21 21:25:19.055 New DB connection, total: 3
2007-01-21 21:25:19.070 Connected to database 'mythconverg' at host: localhost
2007-01-21 21:25:19.234 New DB scheduler connection
2007-01-21 21:25:19.251 Connected to database 'mythconverg' at host: localhost
2007-01-21 21:25:19.259 Main::Starting HttpServer
2007-01-21 21:25:19.346 Main::Registering HttpStatus Extension
2007-01-21 21:25:19.404 mythbackend version: 0.20.20060828-3 www.mythtv.org
2007-01-21 21:25:19.406 Enabled verbose msgs:  important general
2007-01-21 21:25:19.445 AutoExpire: Found 1 recorders w/max rate of 72 MiB/min
2007-01-21 21:25:19.485 AutoExpire: Required Free Space: 2.1 GB w/freq: 10 min
2007-01-21 21:25:21.325 Reschedule requested for id -1.
2007-01-21 21:25:26.486 Scheduled 26 items in 5.2 = 4.84 match + 0.32 place
2007-01-21 21:25:26.500 Recording starts soon, AUTO-Startup assumed
2007-01-21 21:25:26.825 TVRec(1): Changing from None to RecordingOnly
2007-01-21 21:25:26.838 TVRec(1): HW Tuner: 1->1
2007-01-21 21:25:27.199 Started recording: Desperate Housewives "Come Play Wiz Me": channel 1006 on cardi
d 1, sourceid 1






More information about the mythtv-users mailing list