[mythtv] non-Xv display support in CVS.

[Torbjörn Jansson]

When i tried to run mythfrontend from my other computer i also got the same
error.
I had the frontend running on one computer and the backend on the other.

> 
> I'm trying to use the non-Xv mode for MythTV.
> 
> The output I get when I click on "Watch TV" is an "X
> Error: Bad Value," a few "X Error: Bad Window"s, then
> the falling back to non-Xv info, finally "shmget
> failed:: Invalid argument" and a segfault. (I can give
> more details if you need them.)
> 
> I'm using the fbdev in mandrake 9.1 on a radeon.  Is
> there something I can do to get this to work?
>