[mythtv-users] Firewire disconnects
Peter Bennett
pb.mythtv at gmail.com
Mon May 28 14:51:54 UTC 2018
On 05/28/2018 02:35 AM, DaveD wrote:
> Since Comcast encrypted everything, I am forced to record over
> firewire from their cable boxes (we have two). Luckily, they still
> allow it on non-premium channels.
>
> The problem is that if the box gets turned off (or otherwise looses
> connection with the backend), recordings fail (zero file size on both
> of two futile attempts) until mythbackend is restarted. Is there a
> way for me to have mythbackend automatically do whatever it does
> during startup whenever tuning fails, without having to restart the
> backend? There used to be a setting to "Disable Firewire Reset", but
> that is no longer available in V29.1. It never seemed to matter
> whether it was checked or not, anyway.
>
> Something in this new version (of Fedora or Myth, I'm not sure which)
> seems to make it more sensitive to something and it disconnects MUCH
> more often. My wife uses myth to watch the news in "Live TV" mode
> while she cooks and when it changes from the national news to the
> local news, it often fails and no recordings are available from that
> backend until it is restarted (mythbackend, not the computer). I'm
> not really sure exactly what causes it, but I'm guessing it's the
> video format changing while it's recording that makes it fail. It
> could be some other glitch in between shows, but I've seen problems in
> earlier versions where playback would fail when video format changed
> during the recording (mplayer played it back but mythfrontend failed).
>
> I set up a web interface for her to restart mythbackend, but it's
> still a PITA and would be nice if it was automatic. Anyone else seen
> this and/or have a suggestion for a solution?
>
> Dave D.
>
>
I used firewire for a couple of years. With the frequent failures, I set
up a script to monitor the backend log and restart the backend when
certain messages appeared. Unfortunately this resulted in recordings
split in two. Firewire was always unreliable, and now I use a ceton eth
6 cable card tuner. It saves money as I no longer rent any cable boxes
from Comcast, they no longer charge the HD Technology fee and I still
get HD with the ceton.
Peter
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