[mythtv-users] LiveTV fails

Darren fender_bender at aandr.com.au
Sat Jul 15 03:49:26 UTC 2006


On Wed, 12 Jul 2006 05:00 am, Henrik Gammelmark wrote:
> I have encountered a weird error, that occurs when I try to watch live tv.
>
> When I enter "Watch TV", the screen is black for about two seconds.
> After that, I can watch TV just fine for a few seconds, before it starts
> to "lag", and quickly entirely freeze.
>
> Below is the output from mythfrontend (normal -v setting). The backend
> (more verbose) does not report any errors.
>
> Using myth0.9.3 (SVN) on Debian testing (2.6.16.20), with a PVR-350 (in
> and out) and PVR-500 (unused in this setting).
>
> And by the way - the file is written fine, and the permissions are ok
> (frontend and backend are running as same user mythtv). The filesystem
> is JFS.
>
> Thank you in advance
>
> / Henrik
>
> ==========
>
> 2006-07-11 20:54:00.217 TV: Attempting to change from None to
> WatchingLiveTV 2006-07-11 20:54:00.234 Using protocol version 26
> 2006-07-11 20:54:00.356 LiveTVChain(live-serber-2006-07-11T20:54:00):
> ReloadAll(): Added new recording
> 2006-07-11 20:54:00.360 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> OpenFile(/mnt/myth/1001_20060711205400.mpg, 12)
> 2006-07-11 20:54:00.360 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'.
> 12 retries remaining.
> 2006-07-11 20:54:00.861 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'.
> 11 retries remaining.
> 2006-07-11 20:54:01.365 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'.
> 10 retries remaining.
> 2006-07-11 20:54:01.869 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'. 9
> retries remaining.
> 2006-07-11 20:54:02.373 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'. 8
> retries remaining.
> 2006-07-11 20:54:02.877 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'. 7
> retries remaining.
> 2006-07-11 20:54:03.381 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> Invalid file (fd 14) when opening '/mnt/myth/1001_20060711205400.mpg'. 6
> retries remaining.
> 2006-07-11 20:54:03.902 TV: StartRecorder(): took 16 ms to start recorder.
> 2006-07-11 20:54:03.903 TV: GetLockTimeout(1): Set lock timeout to
> 4294967295 ms
> 2006-07-11 20:54:03.933 TV: Output filters for this channel are: ''
> 2006-07-11 20:54:03.938 reads allowed (128001 -1)
> 2006-07-11 20:54:03.945 detectInterlace(Ignore Scan, Detect Scan, 25,
> 576) ->Ignore Scan
> 2006-07-11 20:54:03.945 Interlaced: Ignore Scan  video_height: 576  fps: 25
> 2006-07-11 20:54:03.945 RingBuf(/mnt/myth/1001_20060711205400.mpg):
> CalcReadAheadThresh(8000 KB)
>                           -> threshhold(292 KB) min read(32 KB) blk
> size(128 KB)
> 2006-07-11 20:54:03.946 Resyncing position map. posmapStarted = 0
> livetv(1) watchingRec(0)
> 2006-07-11 20:54:03.948 Position map filled from DB to: 1
> 2006-07-11 20:54:03.949 SyncPositionMap watchingrecording, from DB: 1
> entries
> 2006-07-11 20:54:03.958 PosMapFromEnc: Warning, tried to fetch
> PositionMap from Encoder but encoder returned framesWritten == 0
> 2006-07-11 20:54:03.958 SyncPositionMap watchingrecording no entries
> from encoder, try DB
> 2006-07-11 20:54:03.959 Position map filled from DB to: 1
> 2006-07-11 20:54:03.959 SyncPositionMap watchingrecording total: 1 entries
> 2006-07-11 20:54:03.959 SyncPositionMap, new totframes: 12, new length:
> 0, posMap size: 1
> 2006-07-11 20:54:03.959 Partial position map found
> 2006-07-11 20:54:03.964 Opening audio device '/dev/dsp'.
> 2006-07-11 20:54:03.964 Opening OSS audio device '/dev/dsp'.
> 2006-07-11 20:54:03.973 NVP: Enabling Audio
> 2006-07-11 20:54:03.975 reads allowed (131073 32768)
> 2006-07-11 20:54:03.979 IVD: Init() -- begin
> 2006-07-11 20:54:03.991 Over/underscan. V: 0, H: 0, XOff: 0, YOff: 0
> 2006-07-11 20:54:03.997 Image size. dispxoff 0, dispyoff: 0, dispwoff:
> 670, disphoff: 530
> 2006-07-11 20:54:03.998 Image size. imgx 0, imgy: 0, imgw: 720, imgh: 576
> 2006-07-11 20:54:03.998 Image size. dispxoff 0, dispyoff: 0, dispwoff:
> 670, disphoff: 530
> 2006-07-11 20:54:03.998 Image size. imgx 0, imgy: 0, imgw: 720, imgh: 576
> 2006-07-11 20:54:03.998 IVD: Open() -- begin
> 2006-07-11 20:54:03.998 IVD: Open() -- end
> 2006-07-11 20:54:04.003 IVD: ClearOSD
> 2006-07-11 20:54:04.322 Using the PVR-350 decoder/TV-out
> 2006-07-11 20:54:04.322 IVD: Init() -- end
> 2006-07-11 20:54:04.418 NVP: ClearAfterSeek(1)
> 2006-07-11 20:54:04.422 TV: StartPlayer(): took 484 ms to start player.
> 2006-07-11 20:54:04.422 TV: Changing from None to WatchingLiveTV
> 2006-07-11 20:54:04.426 Realtime priority would require SUID as root.
> 2006-07-11 20:54:04.614 rebuffering (14369 32768)
> 2006-07-11 20:54:04.678 reads allowed (145441 32768)
> 2006-07-11 20:54:05.062 rebuffering (31713 32768)
> 2006-07-11 20:54:05.318 reads allowed (162785 32768)
> 2006-07-11 20:54:05.320 keyframedist changed to 12
> 2006-07-11 20:54:06.734 rebuffering (24397 32768)
> 2006-07-11 20:54:06.798 reads allowed (155469 32768)
> 2006-07-11 20:54:08.662 rebuffering (13017 32768)
> 2006-07-11 20:54:08.914 reads allowed (131073 32768)
> 2006-07-11 20:54:10.358 clearing buffer
> 2006-07-11 20:54:12.839 rebuffering (5681 32768)
> 2006-07-11 20:54:13.158 buffering (5681 32768 0)
> 2006-07-11 20:54:13.222 reads allowed (136753 32768)
> 2006-07-11 20:54:13.286 rebuffering (6965 32768)
> 2006-07-11 20:54:13.606 buffering (6965 32768 0)
> 2006-07-11 20:54:13.670 reads allowed (138037 32768)
> 2006-07-11 20:54:13.734 rebuffering (16205 32768)
> 2006-07-11 20:54:14.054 buffering (16205 32768 0)
> 2006-07-11 20:54:14.182 reads allowed (147277 32768)
> 2006-07-11 20:54:15.110 IVD: write0 !canwrite
> 2006-07-11 20:54:15.203 IVD: write0 !canwrite
> 2006-07-11 20:54:15.294 IVD: write0 !canwrite
> 2006-07-11 20:54:15.386 IVD: write0 !canwrite
> 2006-07-11 20:54:15.478 IVD: write0 !canwrite
> 2006-07-11 20:54:15.570 IVD: write0 !canwrite
> 2006-07-11 20:54:15.662 IVD: write0 !canwrite
> 2006-07-11 20:54:15.754 IVD: write0 !canwrite
> 2006-07-11 20:54:15.846 IVD: write0 !canwrite
> 2006-07-11 20:54:15.938 IVD: write0 !canwrite
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When ever I'm unable to watch live tv I just delete the card in mythtv-setup 
and set it up over again. I think it has something to do with lost or bad 
settings in mythconverg because kaffiene has no problem using the DVB-T card 
with the mythbackend diabled.

Darren

-- 
"Better to remain silent and be thought a fool than to speak out and remove
all doubt." - Abraham Lincoln


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