Autocad 2004 STATUS_INVALID_LDT_OFFSET

[Kuba Ober]

> Thanks Ivan.
> I did some IRC with Vitaliy, and he came to the conclusion that the
> outport() code was probably the result of messed up code/stack, since
> the program doesn't use any hardware or locks. I will look into it
> tomorrow.

As one other possibility, and I'm not trying to suggest that it's necessarily 
the case: could the driver want to check if it's indeed running in ring 0 by 
trying to poke some "safe" port? I know it'd be weird, but since copy 
protection is insane in itself, who knows . . .

Cheers, Kuba