Fullscreen crashes

[Lowell Gilbert]

"Sean M." <sigma_zk at yahoo.com> writes:

> Everytime* I use a program, usually a game, that switches into
> full-screen mode, I get dumped to a tty screen and everything is hung;
> I have to power cycle to fix it. Yesterday, everything worked
> perfectly.
>
> The only thing I did in the interim that influenced the system was to
> install gcc42 from ports, and then immediately after deinstall it.
>
> OS is 6.1-REL. I'm using the NVIDIA binary driver. It doesn't matter
> whether I start the programs in KDE or twm.

Is it happening with the x.org "nv" driver also?
Is there anything in the X logs that gives a clue?