[SDL] all SDL apps require ^C to start before rendering [fbcon, Linux]

[Dave Airlie]

> I haven't done lots of investigating, and I'd thought I would ask if this is a
> known issue before hunting down the offending lines in the code [this happens
> on over a dozen different SDL demos I have tried].

I've seen this before it doesn't happen on the first run of the app
which is why I never fixed it as i only run my apps once :-)

but it seems to get stuck in a vt ioctl in SDL_fbevents.c, if you run
the app in a debugger, hit Ctrl-C and then bt you'll see it.

Dave.