[mythtv] MythFrontend crash watching live TV

[Christian Hack]

> -----Original Message-----
> From: mythtv-dev-bounces at mythtv.org 
> [mailto:mythtv-dev-bounces at mythtv.org] On Behalf Of J. Donavan Stanley
> 
> Christian Hack wrote:
> 
> >Got the attached crash while watching live TV. A scheduled 
> recording was due
> >to start at 18:00. The "Do you wish to record .. etc" OSD 
> came up. I simply
> >ignored it and let it count down. When it came to start the 
> recording you
> >can see at the beginning where it's trying to open the file 
> which it claims
> >doesn't exist (yet). Sometimes this works and the number of 
> retries doesn't
> >reach zero. I don't know why there is such a delay. The 
> system is XP2400
> >using DVB cards.
> >
> >If the retries gets to zero it ends up in a seeming infinite loop of:
> 
> If this using current CVS?  If so can you try adjusting the usleep on 
> line 402 of RingBuffer.cpp up a bit to see if that allows it to 
> recover?  The problem you're seeing is due to the fact that 
> when we open 
> a new RingBuffer we're not able to read any data from the file, and 
> never will be allowed to read from that file handle.  So we 
> attempt to 
> read from the file before returning the handle back up the chain.
> 
> The recent changes to CVS that start the recorder up ahead of 
> the player 
> might also help, though I've not looked to deeply into it.

Reasonably recent CVS. About a week ago (Oct 19, Australia time). Increasing
that sleep time won't help it from crashing if the file never appears for
some reason though. Can we guarantee that the file will appear (eventually)?

CH