[mythtv] howto? gdb trace

[Mark Weaver]

> having a script so that I could always have gdb run with my
> auto-logging in of mythfrontend and when it crashes have gdb write its
> logs etc for my to look through would be nice, but it doesn't look
> like gdb can be automated that way. so for now I'll have to explain to
> the g/f that I'm doing all this so I can help you guys fix the random
> crashing while we watch tv...
> 
You could always turn on core dumps (ulimit -c unlimited under bash). 
That's also quite handy if you can't reproduce the behaviour under gdb.