> I just recently thought about that (Dosemu died and took my console with
> it).
>
> Would not something like the following be enough to always be able to
> recover?
>
> 1. Make the kernel know how to reset the video card to a known state. This
> should essentially be a string of "output X to register Y"; a user land
> application could configure it via some IOCTL.
No. For many video cards, there is *NO* single sequence to reset into
known state. You have to use different sequence depending on state you
are on. And kernel does not know what state hw is in :-(.
Pavel
-- I'm really pavel@atrey.karlin.mff.cuni.cz. Pavel Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).