[mythtv-users] Can't watch LiveTV with the Hauppauge HD-PVR

Johnny Walker johnnyjboss at gmail.com
Mon Mar 29 15:06:38 UTC 2010

> The problem comes with watching LiveTV in the MythFrontend.  Using the
> gnome desktop, I launch MythFrontend from a terminal.  When I choose
> Watch TV from the main menu, it just displays "Please Wait..." and
> then quits.  This is the error that I see repeating ad nauseum in the
> the terminal window:
> Error: Invalid file descriptor in 'safe_read()'
> 2010-03-26 18:38:40.846
> RingBuf(/home/iengel/Videos/LiveTVcache/1391_20100326183818.mpg)
> followed by:
> 2010-03-26 18:38:40.871 NVP::OpenFile(): Error, couldn't read file:
> /home/iengel/Videos/LiveTVcache/1391_20100326183818.mpg
> 2010-03-26 18:38:40.871 TV: StartPlayer(0, Watching WatchingLiveTV,
> main) -- end error
> 2010-03-26 18:38:40.871 TV Error: LiveTV not successfully started
> 2010-03-26 18:38:40.873 ScreenSaverX11Private: DPMS Deactivated 1
> 2010-03-26 18:38:40.874 ScreenSaverX11Private: DPMS Reactivated 1
If this were my system I'd not be asking the mythtv user to write to
subdir's of my user's home. This may make it easier to fix or remove this

Is there a problem having the live tv recordings happen at

Have you enabled the automatic trunk builds yet? Info on that is located
here - http://www.mythbuntu.org/auto-builds

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