[mythtv-users] Live TV doesn't work but recordings are fine.

Chris Simmons chris at simmons.titandsl.co.uk
Tue Jul 20 07:04:59 UTC 2010


  I hope someone can help, I've recently split a combined 
backend/frontend where everything was working fine into a separate 
backend.  I've got a nova-t 500 and and atom based box as the server, 
the frontend is pretty much as was except for fewer disks.

I'm finding that recordings are working fine but live TV tends not to 
work (sometimes it does).  I was getting many errors like this

2010-06-20 13:19:35.255 MythSocket(1430fe0:41): writeStringList: Error, 
No data written on writeBlock (733 errors)

many many of them...

I just tried using NFS thinking maybe I could sidestep mythsocket but it 
still fails just with a different message below.  Anyone got a clue what 
might be causing this as its driving me nuts?  Its not 100% bound to 
fail but it seems quite frequent especially for bbc 1.  I just did a 
retune and deleted/readded all my tuners and that didn't help.

Thanks!

2010-07-20 07:34:15.507 ProgramInfo(): Updated pathname '':'' -> 
'1024_20100720073322.mpg'
2010-07-20 07:34:15.517 ProgramInfo(): Updated pathname '':'' -> 
'1001_20100720073415.mpg'
2010-07-20 07:34:15.529 ProgramInfo(): Updated pathname '':'' -> 
'1001_20100720073415.mpg'
2010-07-20 07:34:15.539 ProgramInfo(): Updated pathname '':'' -> 
'1024_20100720073322.mpg'
2010-07-20 07:34:15.567 DTVSM(/dev/dvb/adapter0/frontend0) Error: Wrong 
PMT; pmt->pn(4479) desired(4171)
2010-07-20 07:34:15.620 DTVSM(/dev/dvb/adapter0/frontend0) Error: Wrong 
PMT; pmt->pn(4235) desired(4171)
2010-07-20 07:34:15.626 DTVSM(/dev/dvb/adapter0/frontend0) Error: Wrong 
PMT; pmt->pn(4671) desired(4171)
2010-07-20 07:34:15.637 DTVSM(/dev/dvb/adapter0/frontend0) Error: Wrong 
PMT; pmt->pn(4351) desired(4171)
2010-07-20 07:34:15.672 DTVSM(/dev/dvb/adapter0/frontend0) Error: Wrong 
PMT; pmt->pn(4415) desired(4171)
2010-07-20 07:34:15.966 mythbackend version: branches/release-0-23-fixes 
[0.23-5.fc12 (r25150)] www.mythtv.org
2010-07-20 07:34:15.970 Using runtime prefix = /usr
2010-07-20 07:34:15.971 Read conf dir = /etc/mythtv
2010-07-20 07:34:15.973 Using configuration directory = /etc/mythtv
2010-07-20 07:34:15.979 Empty LocalHostName.
2010-07-20 07:34:15.981 Using localhost value of bessie.home
2010-07-20 07:34:15.984 Testing network connectivity to '192.168.0.10'
2010-07-20 07:34:16.095 New DB connection, total: 1
2010-07-20 07:34:16.120 Connected to database 'mythconverg' at host: 
192.168.0.10
2010-07-20 07:34:16.123 Closing DB connection named 'DBManager0'
2010-07-20 07:34:16.162 Connected to database 'mythconverg' at host: 
192.168.0.10
2010-07-20 07:34:16.182 Current MythTV Schema Version (DBSchemaVer): 1254
2010-07-20 07:34:16.187 ProgramInfo(): Updated pathname '':'' -> 
'1024_20100720073322.mpg'
2010-07-20 07:34:18.910 AFD: Opened codec 0x166c8c0, id(MPEG2VIDEO) 
type(Video)
2010-07-20 07:34:18.912 AFD: codec MP2 has 2 channels
2010-07-20 07:34:18.914 AFD: Opened codec 0x166b5d0, id(MP2) type(Audio)
2010-07-20 07:34:18.915 AFD: codec MP3 has 0 channels
2010-07-20 07:34:18.917 AFD: Opened codec 0x1673580, id(MP3) type(Audio)
2010-07-20 07:34:18.919 AFD: Opened codec 0x1673be0, id(DVB_SUBTITLE) 
type(Subtitle)
2010-07-20 07:34:19.209 Preview: Grabbed preview 
'/data/video/myth1/1024_20100720073322.mpg' 720x576 at 184s
2010-07-20 07:34:19.555 ~MythContext waiting for threads to exit.
2010-07-20 07:34:19.613 MainServer::ANN Playback
2010-07-20 07:34:19.615 adding: cuthbert2.home as a client (events: 0)
2010-07-20 07:34:22.327 ProgramInfo(): Updated pathname '':'' -> 
'1001_20100720073415.mpg'
2010-07-20 07:34:22.333 Finished recording Breakfast: channel 1001
2010-07-20 07:34:22.349 ProgramInfo(1001_20100720073415.mpg), Error: 
Unknown type, recording width was 0
2010-07-20 07:34:22.388 ProgramInfo(): Updated pathname '':'' -> 
'1001_20100720073415.mpg'
2010-07-20 07:34:22.394 ProgramInfo(): Updated pathname '':'' -> 
'1001_20100720073415.mpg'
2010-07-20 07:34:22.400 Finished recording Breakfast: channel 1001
2010-07-20 07:34:22.403 ProgramInfo(1001_20100720073415.mpg), Warning: 
MarkAsInUse(false, 'recorder'->'') -- use has changed since first 
setting as in use.
2010-07-20 07:34:22.405 ProgramInfo(1001_20100720073415.mpg), Warning: 
MarkAsInUse requires a key to delete in use mark
2010-07-20 07:34:22.408 MainServer, Warning: Unknown socket closing 
MythSocket(0x12acdd0)
2010-07-20 07:34:22.409 MainServer, Warning: Unknown socket closing 
MythSocket(0x12ad750)
2010-07-20 07:34:22.411 MythSocket(12acdd0:-1): writeStringList: Error, 
socket went unconnected.
                         We wrote 0 of 10 bytes with 1 errors
2010-07-20 07:34:22.412 MythSocket(12ad750:-1): writeStringList: Error, 
socket went unconnected.
                         We wrote 0 of 10 bytes with 1 errors
2010-07-20 07:34:22.455 ProgramInfo(): Updated pathname '':'' -> 
'1001_20100720073415.mpg'



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