[mythtv] another deadlock

[Daniel Kristjansson]

On Mon, 2009-11-16 at 21:16 +1100, Mark Spieth wrote:
> Ive just seen this.
>  
> 2009-11-16 20:00:29.883 Scheduler: Update next_record for 17202
> 2009-11-16 20:00:29.896 ERROR: Master backend tried to connect back to
> itself!
>  
> after which a restart watchdog kicked in.
>  
> any suggestions where to look?

Add an assert(false); right after the "ERROR: .. " message so we
can locate and remove the offending code. :)

(Compile with debugging and either under gdb or with coredumps
enabled so that you can get a good backtrace.)

-- Daniel