[mythtv-users] Unable to get video playback in MythTV

Yan-Fa Li yanfali at best.com
Wed Oct 13 00:15:00 UTC 2004

Hi Brian,

a few more questions.  So if I understand this right you have a 2.4 
Celeron running Mythfrontend and Mythbackend, using what to capture ?
A PVR 250 or some other capture card.  I just realized we have no idea
what you're using or doing :D  BTW, 256MB is a bit low for running X, I 
know it's embarrasing.  You might want to upgrade to 512 to get a 
slightly more responsive system.

You said in your previous mail you are using tvtime with no problems. 
Did you compile mythtv with ALSA support ?  You have to uncomment it in 
the settings.pro file.  Then you have to go to the settings, I think 
it's under general and point your audio from /dev/dsp to ALSA:default

Don't forget to create the alsa device files and a simple 
/etc/asound.conf file.  You can find instructions on how to do that on 
the alsa-project.org website under the card database for snd-intel8x0

If you are running redhat you can start alsa automagically using:

chkconfig --add alsasound on
service alsasound start

Also really dumb question.  What exactly is your source of video ? 
PVR250 ?  Can you dump the following:

cat /proc/interrupts > /tmp/hardware_log
lspci -v >> /tmp/hardware_log
dmesg >> /tmp/hardware_log

and attach that to a mail to the list so we can see what your system 
thinks it's doing :D



Brian Matthew Sperlongano wrote:

> Hi Yan,
> Yes, I'm using an intel8x0 card.  I'm running kernel 2.6.7 (had to do
> that to get my wireless card to work).  I just compiled and installed
> all the latest alsa drivers, and the message that I'm getting now from
> mythtv when trying to watch live TV is:
>  2004-10-12 19:37:15 taking too long to be allowed to read.. (repeated
> several times)
> followed by
> 2004-10-12 19:37:17 Waited 2 seconds for data to become available,
> waiting again... (repeated several times
> followed by
> 2004-10-12 19:37:31 Waited 14 seconds for data to become available, aborting
> Couldn't read file: rbuf://
> 2004-10-12 19:37:31 Changing from None to WatchingLiveTV
> 2004-10-12 19:37:31 Decoder not alive, and trying to play..
> 2004-10-12 19:37:33 Changing from None to None
> Any clues?
> Thanks,
>  Brian

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